National Weather Service Marine Forecast FZUS51 KBOX

FZUS51 KBOX 210203
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1003 PM EDT Thu Jun 20 2024

Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM

ANZ200-211500
1003 PM EDT Thu Jun 20 2024

Synopsis for Massachusetts and Rhode Island coastal waters

An area of high pressure remains anchored over the far eastern outer waters which maintains SSW wind gusts 20-25 knots for most of the waters. This afternoon and evening, a showers and thunderstorms are possible, mainly for the northeast waters east of Cape Ann. Storms could become strong to severe.

Back door cold front will shift winds to the ENE for Friday and Saturday. Scattered showers and thunderstorms possible each afternoon and evening through Sunday. Cold frontal passage Monday will usher in drier conditions next week.


ANZ250-211500
Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary
1003 PM EDT Thu Jun 20 2024

OVERNIGHT
W winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 9 seconds. A chance of showers and tstms, then a slight chance of showers. Patchy fog. Some tstms may be severe with damaging winds, frequent lightning, and heavy rainfall. Vsby 1 NM or less.

FRI
NW winds around 5 kt, becoming NE in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 9 seconds and W 1 foot at 3 seconds. Patchy fog in the morning with vsby 1 NM or less.

FRI NIGHT
E winds around 5 kt. Seas around 2 ft. Wave Detail: E 2 ft at 7 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight.

SAT
SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 8 seconds and SE 1 foot at 2 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SAT NIGHT
SE winds 5 to 10 kt, becoming S after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and SE 1 foot at 3 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SUN
S winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. Wave Detail: S 2 ft at 3 seconds and SE 1 foot at 8 seconds, becoming S 3 ft at 4 seconds and SE 2 ft at 8 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SUN NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers in the evening. Showers likely after midnight. Vsby 1 to 3 NM.

MON
SW winds around 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.

MON NIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

TUE AND TUE NIGHT
SW winds 5 to 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.


ANZ251-211500
Massachusetts Bay and Ipswich Bay
1003 PM EDT Thu Jun 20 2024

OVERNIGHT
W winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and E 1 foot at 9 seconds. A chance of showers and tstms, then a slight chance of showers. Patchy fog. Some tstms may be severe with damaging winds, frequent lightning, and heavy rainfall. Vsby 1 to 3 NM, decreasing to 1 NM or less.

FRI
N winds around 5 kt, becoming NE in the afternoon. Seas around 2 ft. Wave Detail: W 1 foot at 2 seconds and E 1 foot at 9 seconds. Patchy fog in the morning. Scattered showers in the afternoon. Vsby 1 NM or less in the morning.

FRI NIGHT
E winds around 5 kt. Seas around 2 ft. Wave Detail: E 1 foot at 6 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM after midnight.

SAT
E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 foot at 6 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SAT NIGHT AND SUN
S winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 5 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SUN NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 4 seconds and SE 2 ft at 8 seconds. Patchy fog. A chance of showers in the evening. Showers likely after midnight. Vsby 1 to 3 NM.

MON
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.

MON NIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Showers likely. Vsby 1 to 3 NM.

TUE AND TUE NIGHT
SW winds 5 to 10 kt. Seas around 2 ft.

Winds and seas higher in and near tstms.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.


ANZ231-211500
Cape Cod Bay
1003 PM EDT Thu Jun 20 2024

OVERNIGHT
SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 9 seconds. A chance of showers. A chance of tstms. Patchy fog. Some tstms may be severe with damaging winds, frequent lightning, and heavy rainfall. Vsby 1 to 3 NM.

FRI
W winds around 5 kt, becoming NE in the afternoon. Seas around 2 ft. Wave Detail: W 1 foot at 2 seconds and SE 1 foot at 8 seconds. Patchy fog in the morning. Scattered showers in the afternoon. Vsby 1 to 3 NM in the morning.

FRI NIGHT
E winds around 5 kt, becoming S after midnight. Seas around 2 ft. Wave Detail: SW 1 foot at 2 seconds and E 1 foot at 4 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight.

SAT
S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 foot at 2 seconds and E 1 foot at 5 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SAT NIGHT
S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 1 foot at 2 seconds and E 1 foot at 5 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SUN
SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 2 ft at 3 seconds and S 2 ft at 6 seconds. Patchy fog. A chance of showers in the morning. Vsby 1 to 3 NM.

SUN NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Patchy fog. A chance of showers in the evening. Showers likely after midnight. Vsby 1 to 3 NM.

MON
SW winds around 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.

MON NIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

TUE AND TUE NIGHT
SW winds 5 to 10 kt. Seas around 2 ft.

Winds and seas higher in and near tstms.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.


ANZ254-211500
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm
1003 PM EDT Thu Jun 20 2024

OVERNIGHT
SW winds 5 to 10 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft at 4 seconds and SE 2 ft at 9 seconds. A chance of showers. A chance of tstms. Patchy fog. Some tstms may be severe with damaging winds, frequent lightning, and heavy rainfall. Vsby 1 NM or less.

FRI
W winds 5 to 10 kt, becoming NW in the afternoon. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 8 seconds and W 1 foot at 3 seconds. Patchy fog in the morning with vsby 1 NM or less.

FRI NIGHT
S winds around 5 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and W 1 foot at 5 seconds. Patchy fog. Scattered showers. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight.

SAT
S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and W 1 foot at 3 seconds. Patchy fog. A chance of showers. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon.

SAT NIGHT
SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 8 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SUN
SW winds 10 to 15 kt, becoming S 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at 7 seconds and SW 3 ft at 4 seconds. Patchy fog. A chance of showers in the morning. Vsby 1 to 3 NM.

SUN NIGHT
SW winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 6 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

MON
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.

MON NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

TUE
W winds 5 to 10 kt. Seas 3 to 5 ft.

TUE NIGHT
SW winds around 10 kt. Seas 2 to 4 ft.

Winds and seas higher in and near tstms.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.


ANZ255-211500
Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket
1003 PM EDT Thu Jun 20 2024

OVERNIGHT
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 8 seconds. Patchy fog with vsby 1 NM or less.

FRI
SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 8 seconds. Patchy fog in the morning with vsby 1 NM or less.

FRI NIGHT
SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 8 seconds. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight.

SAT
SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. Patchy fog. A chance of showers in the morning. Vsby 1 to 3 NM.

SAT NIGHT
SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SUN
SW winds 15 to 20 kt, becoming S 20 to 25 kt in the afternoon. Seas 3 to 4 ft, building to 4 to 6 ft in the afternoon. Wave Detail: S 4 ft at 7 seconds, becoming S 6 ft at 7 seconds and SW 1 foot at 4 seconds. Patchy fog in the morning. A chance of showers in the morning with vsby 1 to 3 NM.

SUN NIGHT
SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 7 ft. Patchy fog. A chance of showers after midnight. Vsby 1 to 3 NM.

MON
SW winds 20 to 25 kt. Seas 5 to 7 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.

MON NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

TUE
W winds around 10 kt. Seas 4 to 6 ft.

TUE NIGHT
SW winds around 10 kt. Seas 3 to 4 ft.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.


ANZ256-211500
Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island
1003 PM EDT Thu Jun 20 2024

OVERNIGHT
SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 8 seconds.

FRI
SW winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 8 seconds.

FRI NIGHT
SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 8 seconds. Patchy fog. Vsby 1 NM or less.

SAT
SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. Patchy fog. A chance of showers in the morning. Vsby 1 to 3 NM.

SAT NIGHT
SW winds 10 to 15 kt. Gusts up to 20 kt after midnight. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SUN
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft, building to 4 to 6 ft in the afternoon. Wave Detail: S 4 ft at 7 seconds and SW 1 foot at 4 seconds, becoming S 6 ft at 7 seconds and SW 1 foot at 4 seconds. Patchy fog in the morning. A chance of showers in the morning with vsby 1 to 3 NM.

SUN NIGHT
SW winds 20 to 25 kt with gusts up to 30 kt. Seas 6 to 7 ft. Patchy fog. A chance of showers in the evening. Showers likely after midnight. Vsby 1 to 3 NM.

MON
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 6 to 7 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.

MON NIGHT
W winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 7 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

TUE AND TUE NIGHT
SW winds around 10 kt. Seas 3 to 5 ft.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.


ANZ232-211500
Nantucket Sound
1003 PM EDT Thu Jun 20 2024

OVERNIGHT
SW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: W 2 ft at 3 seconds and SE 1 foot at 8 seconds. A chance of tstms. A slight chance of showers. Patchy fog. Some tstms may be severe with damaging winds, frequent lightning, and heavy rainfall. Vsby 1 to 3 NM.

FRI
SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W 1 foot at 4 seconds and SE 1 foot at 8 seconds. Patchy fog in the morning with vsby 1 to 3 NM.

FRI NIGHT
SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 5 seconds and SE 1 foot at 8 seconds. Patchy fog. A chance of showers after midnight. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight.

SAT
SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 3 seconds and SE 1 foot at 7 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SAT NIGHT
SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and SE 1 foot at 8 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SUN
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and S 2 ft at 8 seconds. Patchy fog in the morning. A chance of showers in the morning with vsby 1 to 3 NM.

SUN NIGHT
SW winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

MON
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.

MON NIGHT
W winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

TUE AND TUE NIGHT
SW winds around 10 kt. Seas 2 to 3 ft.

Winds and seas higher in and near tstms.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.


ANZ233-211500
Vineyard Sound
1003 PM EDT Thu Jun 20 2024

OVERNIGHT
SW winds 5 to 10 kt. Gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 8 seconds. A slight chance of showers.

FRI
SW winds around 5 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 5 seconds and SE 1 foot at 8 seconds. Patchy fog in the morning with vsby 1 to 3 NM.

FRI NIGHT
SW winds around 5 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 5 seconds and SE 1 foot at 8 seconds. Patchy fog. A chance of showers after midnight. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight.

SAT
SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SAT NIGHT
SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SUN
SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 3 ft, building to 3 to 5 ft in the afternoon. Wave Detail: SW 3 ft at 6 seconds, becoming SW 4 ft at 6 seconds. Patchy fog in the morning. A chance of showers in the morning with vsby 1 to 3 NM.

SUN NIGHT
SW winds 20 to 25 kt. Seas 4 to 5 ft. Patchy fog. A chance of showers in the evening. Showers likely after midnight. Vsby 1 to 3 NM.

MON
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 5 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.

MON NIGHT
W winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

TUE AND TUE NIGHT
SW winds around 10 kt. Seas 2 to 3 ft.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.


ANZ234-211500
Buzzards Bay
1003 PM EDT Thu Jun 20 2024

OVERNIGHT
SW winds 5 to 10 kt. Gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at 8 seconds. Patchy fog. A slight chance of showers with vsby 1 to 3 NM.

FRI
SW winds around 5 kt. Seas around 2 ft. Wave Detail: SW 1 foot at 5 seconds and SE 1 foot at 8 seconds.

FRI NIGHT
S winds around 5 kt. Seas around 2 ft. Wave Detail: S 1 foot at 6 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight.

SAT
SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SAT NIGHT
SW winds around 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SUN
SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and S 3 ft at 7 seconds. Patchy fog. A chance of showers in the morning. Vsby 1 to 3 NM.

SUN NIGHT
SW winds 20 to 25 kt. Seas 4 to 5 ft. Patchy fog. A chance of showers in the evening. Showers likely after midnight. Vsby 1 to 3 NM.

MON
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 4 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.

MON NIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

TUE AND TUE NIGHT
SW winds 5 to 10 kt. Seas 2 to 3 ft.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.


ANZ235-211500
Rhode Island Sound
1003 PM EDT Thu Jun 20 2024

OVERNIGHT
SW winds 5 to 10 kt. Gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 8 seconds.

FRI
SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 8 seconds.

FRI NIGHT
SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 8 seconds. Patchy fog. A chance of showers after midnight. Vsby 1 NM or less.

SAT
SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SAT NIGHT
SW winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SUN
SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 6 seconds. Patchy fog. Vsby 1 to 3 NM.

SUN NIGHT
SW winds 20 to 25 kt with gusts up to 30 kt. Seas 5 to 6 ft. Patchy fog. A chance of showers in the evening. Showers likely after midnight. Vsby 1 to 3 NM.

MON
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 5 to 6 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.

MON NIGHT
W winds 15 to 20 kt. Seas 4 to 6 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

TUE AND TUE NIGHT
SW winds around 10 kt. Seas 2 to 4 ft.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.


ANZ237-211500
Block Island Sound
1003 PM EDT Thu Jun 20 2024

OVERNIGHT
SW winds 5 to 10 kt. Gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE 2 ft at 8 seconds.

FRI
SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 8 seconds and SW 1 foot at 5 seconds.

FRI NIGHT
SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and SE 2 ft at 8 seconds. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight.

SAT
SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SAT NIGHT
SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SUN
SW winds 10 to 15 kt, becoming S 15 to 20 kt in the afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at 7 seconds and SW 1 foot at 4 seconds. Patchy fog. Vsby 1 to 3 NM.

SUN NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to 6 ft. Patchy fog. A chance of showers in the evening. Showers likely after midnight. Vsby 1 to 3 NM.

MON
SW winds around 15 kt with gusts up to 20 kt. Seas 4 to 6 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.

MON NIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to 5 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

TUE AND TUE NIGHT
SW winds 5 to 10 kt. Seas 2 to 4 ft.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.


ANZ230-211500
Boston Harbor
1003 PM EDT Thu Jun 20 2024

OVERNIGHT
W winds 5 to 10 kt, diminishing to around 5 kt. Waves 1 foot or less. A chance of showers and tstms, then a slight chance of showers. Patchy fog. Some tstms may be severe with damaging winds, frequent lightning, and heavy rainfall. Vsby 1 NM or less.

FRI
N winds around 5 kt, becoming NE in the afternoon. Waves 1 foot or less. Scattered showers in the afternoon.

FRI NIGHT
E winds around 5 kt. Waves 1 foot or less. Patchy fog. A chance of showers. Vsby 1 to 3 NM after midnight.

SAT
E winds 5 to 10 kt. Waves 1 foot or less. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SAT NIGHT AND SUN
S winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SUN NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt. Waves around 2 ft. Patchy fog. A chance of showers in the evening. Showers likely after midnight. Vsby 1 to 3 NM.

MON
SW winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.

MON NIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Waves around 2 ft. A chance of showers.

TUE AND TUE NIGHT
W winds 5 to 10 kt, becoming SW. Waves 1 foot or less.

Winds and waves higher in and near tstms.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.


ANZ236-211500
Narragansett Bay
1003 PM EDT Thu Jun 20 2024

OVERNIGHT
SW winds 5 to 10 kt. Waves around 2 ft.

FRI
SW winds 5 to 10 kt. Waves around 2 ft. Scattered showers in the afternoon.

FRI NIGHT
S winds around 5 kt. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM, decreasing to 1 NM or less after midnight.

SAT
S winds 5 to 10 kt. Waves around 2 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SAT NIGHT
SW winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. A chance of showers. Vsby 1 to 3 NM.

SUN
SW winds 10 to 15 kt, increasing to 15 to 20 kt in the afternoon. Gusts up to 25 kt. Waves 2 to 3 ft, building to 3 to 5 ft in the afternoon. Patchy fog. Vsby 1 to 3 NM.

SUN NIGHT
SW winds 15 to 20 kt with gusts up to 25 kt. Waves 4 to 6 ft. Patchy fog. A chance of showers in the evening. Showers likely after midnight. Vsby 1 to 3 NM.

MON
SW winds 10 to 15 kt with gusts up to 20 kt. Waves 3 to 5 ft. Patchy fog. Showers likely. Vsby 1 to 3 NM.

MON NIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 4 ft. A chance of showers. Vsby 1 to 3 NM.

TUE AND TUE NIGHT
SW winds 5 to 10 kt. Waves 2 to 3 ft.

Seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.


For the latest updates...please visit our webpage at www.weather.gov/boston

You can follow us on Facebook at www.facebook.com/NWSBoston

You can follow us on Twitter at @NWSBoston