National Weather Service Marine Forecast FZUS51 KLWX

FZUS51 KLWX 190835
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
435 AM EDT Tue Mar 19 2024

Tidal Potomac River and Maryland portion of Chesapeake Bay.

Forecasts of wave heights do not include effects of wind direction relative to tidal currents. Expect higher waves when winds are blowing against the tidal flow.

ANZ500-192300
435 AM EDT Tue Mar 19 2024

SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY

High pressure briefly returns today. An additional cold front likely pushes through Wednesday. High pressure returns again Thursday before low pressure pushes in from the south late week. Small Craft Advisories are likely Wednesday and Thursday. Some areas could have isolated gale-force through midday Tuesday.


ANZ535-192300
Tidal Potomac from Key Bridge to Indian Head
435 AM EDT Tue Mar 19 2024

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

REST OF THE OVERNIGHT
W winds 10 kt. Waves 1 ft.

TODAY
W winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

TONIGHT
SW winds 5 to 10 kt. Waves 1 ft.

WED
W winds 10 to 15 kt. Gusts up to 25 kt in the afternoon. Waves 1 ft.

WED NIGHT
NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.

THU
NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

THU NIGHT
N winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 1 ft.

FRI
SE winds 5 to 10 kt. Waves 1 ft. Rain likely through the night.

SAT
N winds 10 to 15 kt. Waves 1 ft. Rain likely in the morning, then a chance of rain through the night.


ANZ536-192300
Tidal Potomac from Indian Head to Cobb Island
435 AM EDT Tue Mar 19 2024

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

REST OF THE OVERNIGHT
NW winds 15 kt with gusts to 20 kt. Waves 1 ft.

TODAY
W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

TONIGHT
SW winds 5 to 10 kt. Waves 1 ft.

WED
W winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft.

WED NIGHT
NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

THU
NW winds 10 kt with gusts to 20 kt. Waves 1 ft.

THU NIGHT
N winds 5 to 10 kt. Waves 1 ft.

FRI
E winds 10 to 15 kt. Waves 1 to 2 ft. A chance of rain through the night.

SAT
N winds 10 to 15 kt. Waves 1 to 2 ft. A chance of rain.


ANZ537-192300
Tidal Potomac from Cobb Island to Smith Point
435 AM EDT Tue Mar 19 2024

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

REST OF THE OVERNIGHT
NW winds 20 kt with gusts to 25 kt. Waves 3 ft.

TODAY
W winds 15 to 20 kt...diminishing to 10 to 15 kt late. Gusts up to 25 kt. Waves 2 to 3 ft.

TONIGHT
SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

WED
W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

WED NIGHT
NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.

THU
NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

THU NIGHT
N winds 5 to 10 kt. Waves 1 ft.

FRI
E winds 10 to 15 kt...becoming SE after midnight. Waves 2 to 3 ft. Rain likely through the night.

SAT
E winds 10 to 15 kt...becoming N 20 to 25 kt. Waves 3 ft. Rain likely.


ANZ530-192300
Chesapeake Bay north of Pooles Island
435 AM EDT Tue Mar 19 2024

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

REST OF THE OVERNIGHT
NW winds 15 kt with gusts to 25 kt. Waves 2 ft.

TODAY
W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

TONIGHT
SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.

WED
W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.

WED NIGHT
NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.

THU
NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.

THU NIGHT
NW winds 10 to 15 kt...becoming N 5 to 10 kt after midnight. Gusts up to 20 kt. Waves 1 ft.

FRI
NE winds 5 to 10 kt...becoming SE 10 to 15 kt. Waves 1 ft. Rain likely through the night.

SAT
E winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 1 to 2 ft. Rain likely in the morning, then a chance of rain through the night.


ANZ531-192300
Chesapeake Bay from Pooles Island to Sandy Point
435 AM EDT Tue Mar 19 2024

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

REST OF THE OVERNIGHT
NW winds 20 kt with gusts to 25 kt. Waves 3 ft.

TODAY
W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.

TONIGHT
SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.

WED
W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.

WED NIGHT
NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.

THU
NW winds 15 to 20 kt. Waves 2 ft.

THU NIGHT
NW winds 10 to 15 kt...becoming N after midnight. Gusts up to 20 kt. Waves 1 to 2 ft.

FRI
NE winds 5 to 10 kt...becoming SE 10 to 15 kt. Waves 1 to 2 ft. Rain likely through the night.

SAT
E winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 2 to 3 ft. Rain likely in the morning, then a chance of rain through the night.


ANZ538-192300
Patapsco River including Baltimore Harbor
435 AM EDT Tue Mar 19 2024

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

REST OF THE OVERNIGHT
W winds 10 kt with gusts to 20 kt. Waves 1 ft.

TODAY
W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

TONIGHT
SW winds 5 to 10 kt. Waves 1 ft.

WED
W winds 10 to 15 kt. Gusts up to 25 kt in the afternoon. Waves 1 to 2 ft.

WED NIGHT
NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft.

THU
NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

THU NIGHT
N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.

FRI
E winds 5 to 10 kt...becoming SE 10 to 15 kt. Waves 1 to 2 ft. Rain likely through the night.

SAT
N winds 10 to 15 kt...increasing to 15 to 20 kt. Waves 1 to 2 ft. Rain likely in the morning, then a chance of rain through the night.


ANZ539-192300
Chester River to Queenstown MD
435 AM EDT Tue Mar 19 2024

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

REST OF THE OVERNIGHT
NW winds 20 kt with gusts to 25 kt. Waves 3 ft.

TODAY
W winds 15 to 20 kt...diminishing to 10 to 15 kt late. Gusts up to 25 kt. Waves 2 to 3 ft.

TONIGHT
SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.

WED
W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.

WED NIGHT
NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.

THU
NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

THU NIGHT
NW winds 10 to 15 kt...becoming N after midnight. Gusts up to 20 kt. Waves 1 to 2 ft.

FRI
NE winds 5 to 10 kt...becoming SE 10 to 15 kt. Waves 1 to 2 ft. Rain likely through the night.

SAT
E winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 2 to 3 ft. Rain likely in the morning, then a chance of rain through the night.


ANZ532-192300
Chesapeake Bay from Sandy Point to North Beach
435 AM EDT Tue Mar 19 2024

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

REST OF THE OVERNIGHT
NW winds 20 kt with gusts to 25 kt. Waves 3 ft.

TODAY
W winds 15 to 20 kt...diminishing to 10 to 15 kt late. Gusts up to 25 kt. Waves 2 ft.

TONIGHT
SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

WED
W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

WED NIGHT
NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.

THU
NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

THU NIGHT
NW winds 10 to 15 kt...becoming N after midnight. Gusts up to 20 kt. Waves 1 to 2 ft.

FRI
SE winds 10 to 15 kt...becoming 15 kt after midnight. Waves 1 to 2 ft. Rain likely through the night.

SAT
E winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 2 to 3 ft...building to 4 ft after midnight. Rain likely in the morning, then a chance of rain through the night.


ANZ540-192300
Eastern Bay
435 AM EDT Tue Mar 19 2024

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

REST OF THE OVERNIGHT
NW winds 20 kt with gusts to 25 kt. Waves 2 ft.

TODAY
W winds 15 kt...becoming 10 to 15 kt late. Gusts up to 25 kt. Waves 2 ft.

TONIGHT
SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.

WED
W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

WED NIGHT
NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.

THU
NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

THU NIGHT
N winds 10 kt with gusts to 20 kt. Waves 1 ft.

FRI
SE winds 10 to 15 kt...becoming 15 kt after midnight. Waves 1 to 2 ft. Rain likely through the night.

SAT
E winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 2 to 3 ft. Rain likely in the morning, then a chance of rain through the night.


ANZ533-192300
Chesapeake Bay from North Beach to Drum Point
435 AM EDT Tue Mar 19 2024

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

REST OF THE OVERNIGHT
NW winds 20 kt with gusts to 25 kt. Waves 3 ft.

TODAY
W winds 15 to 20 kt...diminishing to 10 to 15 kt late. Gusts up to 25 kt. Waves 2 to 3 ft.

TONIGHT
SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

WED
W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

WED NIGHT
NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.

THU
NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.

THU NIGHT
N winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft.

FRI
SE winds 10 to 15 kt...becoming 15 kt after midnight. Waves 1 to 2 ft...building to 3 ft after midnight. Rain likely through the night.

SAT
E winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 3 ft. Rain likely.


ANZ541-192300
Choptank River to Cambridge MD and the Little Choptank River
435 AM EDT Tue Mar 19 2024

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

REST OF THE OVERNIGHT
NW winds 20 kt with gusts to 25 kt. Waves 3 ft.

TODAY
NW winds 15 to 20 kt...becoming W 10 to 15 kt late. Gusts up to 25 kt. Waves 2 to 3 ft.

TONIGHT
SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

WED
W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

WED NIGHT
NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.

THU
NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.

THU NIGHT
NW winds 10 to 15 kt...becoming N after midnight. Gusts up to 20 kt. Waves 1 to 2 ft.

FRI
SE winds 10 to 15 kt...becoming 15 kt after midnight. Waves 1 to 2 ft. Rain likely through the night.

SAT
E winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 2 to 3 ft. Rain likely.


ANZ542-192300
Patuxent River to Broomes Island MD
435 AM EDT Tue Mar 19 2024

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

REST OF THE OVERNIGHT
NW winds 15 kt with gusts to 25 kt. Waves 1 ft.

TODAY
W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

TONIGHT
SW winds 10 kt. Waves 1 ft.

WED
W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

WED NIGHT
NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

THU
NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

THU NIGHT
N winds 5 to 10 kt. Waves 1 ft.

FRI
E winds 10 to 15 kt...becoming SE after midnight. Waves 1 ft. Rain likely through the night.

SAT
E winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 1 ft. Rain likely.


ANZ534-192300
Chesapeake Bay from Drum Point to Smith Point
435 AM EDT Tue Mar 19 2024

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

REST OF THE OVERNIGHT
NW winds 25 kt. Waves 4 ft.

TODAY
NW winds 15 to 20 kt...becoming W 10 to 15 kt late. Gusts up to 25 kt. Waves 3 ft.

TONIGHT
SW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.

WED
W winds 15 kt with gusts to 20 kt. Waves 2 to 3 ft.

WED NIGHT
NW winds 20 to 25 kt. Waves 3 ft.

THU
NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.

THU NIGHT
N winds 10 kt. Waves 1 to 2 ft.

FRI
NE winds 10 to 15 kt...becoming SE. Waves 2 to 3 ft. Rain likely through the night.

SAT
E winds 10 to 15 kt...becoming N 20 to 25 kt. Waves 3 ft... building to 5 ft after midnight. Rain likely.


ANZ543-192300
Tangier Sound and the inland waters surrounding Bloodsworth Island
435 AM EDT Tue Mar 19 2024

SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING

REST OF THE OVERNIGHT
NW winds 20 kt with gusts to 25 kt. Waves 2 ft.

TODAY
NW winds 15 to 20 kt...becoming W 10 to 15 kt late. Gusts up to 25 kt. Waves 2 ft.

TONIGHT
SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.

WED
W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

WED NIGHT
NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.

THU
NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.

THU NIGHT
N winds 10 kt. Waves 1 ft.

FRI
E winds 10 to 15 kt...becoming SE after midnight. Waves 1 to 2 ft. Rain likely through the night.

SAT
SE winds 15 kt...becoming N 20 to 25 kt. Waves 2 to 3 ft. Rain likely.