Station List

National Weather Service Marine Forecast FZUS51 KLWX

FZUS51 KLWX 111759
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1259 PM EST Sun Jan 11 2026

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. Waves flat where waters are iced over.

ANZ500-120900
1259 PM EST Sun Jan 11 2026

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

A reinforcing cold front will cross over the waters this afternoon. High pressure will build south of the area for Monday and Tuesday, with the next cold front set to approach Wednesday. Small Craft Advisories are possible Tuesday afternoon into Wednesday as well as Thursday into Friday. This is in association with a series of fronts and low pressure systems crossing the region.

ANZ535-120900
Tidal Potomac from Key Bridge to Indian Head
1259 PM EST Sun Jan 11 2026

GALE WARNING IN EFFECT THROUGH LATE TONIGHT

THIS AFTERNOON
W winds 20 kt with gusts to 35 kt. Waves 2 ft. A chance of rain.

TONIGHT
NW winds 10 to 15 kt. Gusts up to 30 kt... diminishing to 20 kt after midnight. Waves 1 ft.

MON
SW winds 5 kt. Waves less than 1 ft.

MON NIGHT
SW winds around 5 kt. Waves 1 ft.

TUE
S winds 5 to 10 kt. Waves 1 ft.

TUE NIGHT
S winds 5 to 10 kt. Waves 1 ft.

WED
SW winds 5 to 10 kt. Waves 1 ft. A chance of rain through the night.

THU
NW winds 15 to 20 kt. Waves 1 ft. A chance of rain. A chance of snow through the night.

ANZ536-120900
Tidal Potomac from Indian Head to Cobb Island
1259 PM EST Sun Jan 11 2026

GALE WARNING IN EFFECT THROUGH LATE TONIGHT

THIS AFTERNOON
W winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft. A chance of rain.

TONIGHT
NW winds 20 to 25 kt with gusts to 35 kt... diminishing to 10 to 15 kt with gusts to 20 kt after midnight. Waves 3 ft... subsiding to 1 ft after midnight.

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

MON NIGHT
SW winds 5 to 10 kt. Waves 1 ft.

TUE
S winds 5 to 10 kt. Waves 1 ft.

TUE NIGHT
SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

WED
SW winds 10 to 15 kt...becoming W 5 to 10 kt after midnight. Waves 1 ft. A chance of rain through the night.

THU
NW winds 15 to 20 kt. Waves 1 to 2 ft. A chance of rain. A chance of snow in the evening.

ANZ537-120900
Tidal Potomac from Cobb Island to Smith Point
1259 PM EST Sun Jan 11 2026

GALE WARNING IN EFFECT THROUGH LATE TONIGHT

THIS AFTERNOON
W winds 10 kt...becoming NW 25 kt late. Gusts up to 35 kt. Waves 1 ft...building to 4 ft late. A chance of rain.

TONIGHT
NW winds 20 to 25 kt with gusts to 30 kt... diminishing to 10 to 15 kt with gusts to 20 kt late. Waves 4 ft...subsiding to 2 ft after midnight.

MON
W winds 5 to 10 kt. Waves 1 to 2 ft.

MON NIGHT
SW winds 5 to 10 kt. Waves 1 ft.

TUE
SW winds 5 to 10 kt. Waves 1 ft or less.

TUE NIGHT
SW winds 15 to 20 kt. Waves 2 ft.

WED
SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of rain after midnight.

THU
NW winds 20 to 25 kt. Waves 1 to 2 ft... building to 3 ft. A chance of rain. A chance of snow in the evening.

ANZ530-120900
Chesapeake Bay north of Pooles Island
1259 PM EST Sun Jan 11 2026

GALE WARNING IN EFFECT THROUGH LATE TONIGHT

THIS AFTERNOON
W winds 10 kt with gusts to 25 kt... increasing to 20 kt with gusts to 35 kt late. Waves 1 to 2 ft. A chance of rain. Vsby 1 to 3 NM.

TONIGHT
W winds 20 to 25 kt with gusts to 35 kt... diminishing to 10 to 15 kt with gusts to 20 kt late. Waves 2 ft.

MON
W winds 5 to 10 kt. Waves 1 ft.

MON NIGHT
SW winds 5 to 10 kt. Waves 1 ft.

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

TUE NIGHT
S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

WED
SW winds 5 to 10 kt. Waves 1 ft. A chance of rain.

THU
NW winds 20 to 25 kt. Waves 1 to 2 ft. A chance of rain. A chance of snow through the night.

ANZ531-120900
Chesapeake Bay from Pooles Island to Sandy Point
1259 PM EST Sun Jan 11 2026

GALE WARNING IN EFFECT THROUGH LATE TONIGHT

THIS AFTERNOON
W winds 20 to 25 kt with gusts to 35 kt. Waves 2 ft...building to 4 ft late. A chance of rain.

TONIGHT
W winds 20 to 25 kt with gusts to 35 kt... diminishing to 10 to 15 kt with gusts to 20 kt late. Waves 3 ft.

MON
W winds 10 to 15 kt...becoming SW in the afternoon. Waves 1 to 2 ft.

MON NIGHT
SW winds 5 to 10 kt. Waves 1 ft.

TUE
SW winds 5 to 10 kt. Waves 1 ft or less.

TUE NIGHT
S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

WED
S winds 10 to 15 kt...becoming SW 5 to 10 kt. Waves 1 to 2 ft. A chance of rain.

THU
NW winds 10 to 15 kt...increasing to 25 to 30 kt. Waves 2 to 3 ft. A chance of rain. A chance of snow in the evening.

ANZ538-120900
Patapsco River including Baltimore Harbor
1259 PM EST Sun Jan 11 2026

GALE WARNING IN EFFECT THROUGH LATE TONIGHT

THIS AFTERNOON
W winds 15 to 20 kt with gusts to 35 kt. Waves 1 to 2 ft. A chance of rain.

TONIGHT
W winds 15 to 20 kt with gusts to 30 kt... diminishing to 10 kt late. Waves 1 to 2 ft.

MON
W winds 5 to 10 kt. Waves 1 ft.

MON NIGHT
SW winds around 5 kt. Waves 1 ft or less.

TUE
S winds around 5 kt. Waves 1 ft or less.

TUE NIGHT
S winds 5 to 10 kt. Waves 1 ft.

WED
SW winds around 5 kt. Waves 1 ft or less. A chance of rain.

THU
NW winds 15 to 20 kt. Waves 1 ft. A chance of rain. A chance of snow in the evening.

ANZ539-120900
Chester River to Queenstown MD
1259 PM EST Sun Jan 11 2026

GALE WARNING IN EFFECT THROUGH LATE TONIGHT

THIS AFTERNOON
W winds 10 kt with gusts to 25 kt... increasing to 25 kt with gusts to 35 kt late. Waves 2 ft... building to 4 ft late. A chance of rain.

TONIGHT
W winds 20 to 25 kt with gusts to 35 kt... becoming NW 10 to 15 kt with gusts to 20 kt late. Waves 3 ft.

MON
W winds 5 to 10 kt. Waves 1 to 2 ft.

MON NIGHT
SW winds 5 to 10 kt. Waves 1 ft.

TUE
S winds 5 to 10 kt. Waves 1 ft or less.

TUE NIGHT
S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

WED
SW winds 5 to 10 kt. Waves 1 ft. A chance of rain through the night.

THU
NW winds 20 to 25 kt. Waves 2 to 3 ft. A chance of rain. A chance of snow in the evening.

ANZ532-120900
Chesapeake Bay from Sandy Point to North Beach
1259 PM EST Sun Jan 11 2026

GALE WARNING IN EFFECT THROUGH LATE TONIGHT

THIS AFTERNOON
W winds 15 kt...increasing to 25 kt late. Gusts up to 35 kt. Waves 2 ft...building to 4 ft late. A chance of rain.

TONIGHT
W winds 20 to 25 kt with gusts to 35 kt... becoming NW 15 kt with gusts to 20 kt late. Waves 4 ft...subsiding to 2 ft after midnight.

MON
W winds 10 to 15 kt...becoming SW in the afternoon. Waves 1 to 2 ft.

MON NIGHT
SW winds 5 to 10 kt. Waves 1 ft.

TUE
S winds 5 to 10 kt. Waves 1 ft or less.

TUE NIGHT
S winds 15 to 20 kt. Waves 2 to 3 ft.

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

THU
NW winds 10 to 15 kt...increasing to 25 to 30 kt. Waves 2 to 3 ft...building to 4 ft after midnight. A chance of rain. A chance of snow in the evening.

ANZ540-120900
Eastern Bay
1259 PM EST Sun Jan 11 2026

GALE WARNING IN EFFECT THROUGH LATE TONIGHT

THIS AFTERNOON
W winds 10 kt with gusts to 20 kt... becoming NW 25 kt with gusts to 35 kt late. Waves 1 ft...building to 3 ft late. A chance of rain.

TONIGHT
NW winds 20 to 25 kt with gusts to 35 kt... diminishing to 10 to 15 kt with gusts to 20 kt late. Waves 2 to 3 ft.

MON
W winds 5 to 10 kt. Waves 1 ft.

MON NIGHT
SW winds 5 to 10 kt. Waves 1 ft.

TUE
S winds 5 to 10 kt. Waves 1 ft or less.

TUE NIGHT
S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.

WED
S winds 10 to 15 kt...becoming SW 5 to 10 kt. Waves 1 to 2 ft. A chance of rain through the night.

THU
NW winds 20 to 25 kt. Waves 1 to 2 ft. A chance of rain. A chance of snow in the evening.

ANZ533-120900
Chesapeake Bay from North Beach to Drum Point
1259 PM EST Sun Jan 11 2026

GALE WARNING IN EFFECT THROUGH LATE TONIGHT

THIS AFTERNOON
NW winds 15 kt with gusts to 25 kt... becoming W 25 kt with gusts to 35 kt late. Waves 1 ft... building to 4 ft late. A chance of rain.

TONIGHT
NW winds 20 to 25 kt. Gusts up to 35 kt... diminishing to 25 kt after midnight. Waves 3 ft.

MON
W winds 10 to 15 kt...becoming SW in the afternoon. Waves 1 to 2 ft.

MON NIGHT
SW winds 5 to 10 kt. Waves 1 ft.

TUE
SW winds 5 kt...becoming S 10 to 15 kt in the afternoon. Waves 1 ft or less.

TUE NIGHT
S winds 15 to 20 kt. Waves 2 to 3 ft.

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

THU
W winds 10 to 15 kt...becoming NW 25 to 30 kt. Waves 2 to 3 ft...building to 4 ft. A chance of rain. A chance of snow in the evening.

ANZ541-120900
Choptank River to Cambridge MD and the Little Choptank River
1259 PM EST Sun Jan 11 2026

GALE WARNING IN EFFECT THROUGH LATE TONIGHT

THIS AFTERNOON
W winds 10 kt with gusts to 20 kt... increasing to 30 kt late. Waves 1 to 2 ft. Near the mouth of the Choptank, waves around 1 ft...building to 4 ft late. A chance of rain.

TONIGHT
NW winds 25 to 30 kt...diminishing to 15 to 20 kt with gusts to 25 kt after midnight. Waves 3 ft.

MON
W winds 10 to 15 kt...becoming SW 5 to 10 kt in the afternoon. Waves 1 to 2 ft.

MON NIGHT
SW winds 5 to 10 kt. Waves 1 ft.

TUE
S winds 5 to 10 kt. Waves 1 ft or less.

TUE NIGHT
S winds 15 to 20 kt. Waves 2 ft.

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

THU
W winds 10 to 15 kt...becoming NW 25 to 30 kt. Waves 2 to 3 ft. A chance of rain. A chance of snow in the evening.

ANZ542-120900
Patuxent River to Broomes Island MD
1259 PM EST Sun Jan 11 2026

GALE WARNING IN EFFECT THROUGH LATE TONIGHT

THIS AFTERNOON
W winds 10 kt with gusts to 20 kt... becoming NW 25 kt with gusts to 35 kt late. Waves 1 to 2 ft. A chance of rain.

TONIGHT
W winds 15 to 20 kt with gusts to 30 kt... becoming NW 10 kt late. Waves 1 to 2 ft.

MON
W winds 5 to 10 kt. Waves 1 ft.

MON NIGHT
SW winds 5 to 10 kt. Waves 1 ft.

TUE
S winds 5 to 10 kt. Waves 1 ft.

TUE NIGHT
S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.

WED
SW winds 5 to 10 kt. Waves 1 ft. A chance of rain after midnight.

THU
NW winds 15 to 20 kt. Waves 1 ft. A chance of rain. A chance of snow in the evening.

ANZ534-120900
Chesapeake Bay from Drum Point to Smith Point
1259 PM EST Sun Jan 11 2026

GALE WARNING IN EFFECT THROUGH LATE TONIGHT

THIS AFTERNOON
W winds 10 kt...becoming NW 30 kt late. Waves 2 ft...building to 4 ft late. A chance of rain.

TONIGHT
NW winds 25 to 30 kt...diminishing to 15 to 20 kt late. Waves 4 ft.

MON
W winds 10 to 15 kt with gusts to 20 kt... becoming SW 5 to 10 kt in the afternoon. Waves 1 to 2 ft.

MON NIGHT
SW winds 5 to 10 kt. Waves 1 to 2 ft.

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

TUE NIGHT
S winds 15 to 20 kt. Waves 3 ft.

WED
SW winds 15 to 20 kt...diminishing to 10 kt. Waves 2 to 3 ft...subsiding to 1 ft after midnight. A chance of rain after midnight.

THU
W winds 15 to 20 kt...becoming NW 25 to 30 kt. Waves 2 to 3 ft...building to 5 ft. A chance of rain. A chance of snow in the evening.

ANZ543-120900
Tangier Sound and the inland waters surrounding Bloodsworth Island
1259 PM EST Sun Jan 11 2026

GALE WARNING IN EFFECT THROUGH LATE TONIGHT

THIS AFTERNOON
NW winds 10 kt with gusts to 20 kt... becoming W 30 kt late. Waves 1 to 2 ft. A chance of rain.

TONIGHT
NW winds 25 to 30 kt...diminishing to 15 to 20 kt with gusts to 25 kt late. Waves 2 to 3 ft.

MON
NW winds 10 to 15 kt with gusts to 20 kt... becoming SW in the afternoon. Waves 1 to 2 ft.

MON NIGHT
SW winds 10 to 15 kt. Waves 1 ft.

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

TUE NIGHT
S winds 15 to 20 kt. Waves 2 ft.

WED
SW winds 15 to 20 kt...diminishing to 5 to 10 kt. Waves 1 to 2 ft. A chance of rain after midnight.

THU
W winds 15 to 20 kt...becoming NW 25 to 30 kt. Waves 1 to 2 ft...building to 3 ft. A chance of rain. A chance of snow in the evening.