Coastal Waters Forecast
Issued by NWS Sterling, VA

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
783
FZUS51 KLWX 290943
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
443 AM EST Sat Nov 29 2025

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.

ANZ500-300000-
443 AM EST Sat Nov 29 2025

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

High pressure will move overhead today, then move offshore Sunday
into early next week as the next systems approach from the west.
Additional Small Craft Advisories are possible early next week.

$$

ANZ535-300000-
Tidal Potomac from Key Bridge to Indian Head-
443 AM EST Sat Nov 29 2025

.REST OF THE OVERNIGHT...NW winds 5 kt. Waves less than 1 ft.
.TODAY...W winds around 5 kt. Waves 1 ft.
.TONIGHT...S winds around 5 kt. Waves 1 ft.
.SUN...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Rain
likely.
.SUN NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.MON...N winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SE winds around 5 kt. Waves 1 ft or less. A chance of
rain and snow.
.TUE...NE winds around 5 kt...becoming NW. Waves 1 ft. Rain through
the day. A chance of rain in the evening.
.WED...W winds 5 to 10 kt. Waves 1 ft.

$$

ANZ536-300000-
Tidal Potomac from Indian Head to Cobb Island-
443 AM EST Sat Nov 29 2025

.REST OF THE OVERNIGHT...NW winds 10 kt. Waves 1 ft.
.TODAY...NW winds around 5 kt. Waves 1 ft.
.TONIGHT...S winds around 5 kt. Waves 1 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. Rain likely.
.SUN NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt. Waves 1 ft.
.MON...N winds 10 to 15 kt. Waves 1 ft.
.MON NIGHT...SE winds around 5 kt. Waves 1 ft. A chance of rain and
snow.
.TUE...N winds 10 to 15 kt...becoming NW after midnight. Waves 1 ft.
Rain through the day. A chance of rain in the evening.
.WED...NW winds 10 to 15 kt...becoming SW around 5 kt. Waves 1 ft.

$$

ANZ537-300000-
Tidal Potomac from Cobb Island to Smith Point-
443 AM EST Sat Nov 29 2025

.REST OF THE OVERNIGHT...NW winds 15 kt. Waves 2 ft.
.TODAY...NW winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...S winds around 5 kt. Waves 1 ft or less.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. Rain likely.
.SUN NIGHT...W winds 10 to 15 kt...becoming NW 15 to 20 kt after
midnight. Waves 2 ft. A chance of rain.
.MON...N winds 15 to 20 kt. Waves 2 ft.
.MON NIGHT...E winds 5 kt. Waves less than 1 ft. A chance of rain.
.TUE...NE winds 10 to 15 kt...becoming NW 15 to 20 kt. Waves 1 to
2 ft...building to 3 ft. Rain through the day, then a chance of rain
in the evening.
.WED...NW winds 15 to 20 kt...becoming W 5 to 10 kt. Waves 1 to
2 ft.

$$

ANZ530-300000-
Chesapeake Bay north of Pooles Island-
443 AM EST Sat Nov 29 2025

.REST OF THE OVERNIGHT...NW winds 15 kt. Waves 1 ft.
.TODAY...W winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Rain
likely.
.SUN NIGHT...W winds 15 to 20 kt. Waves 1 ft.
.MON...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.MON NIGHT...E winds around 5 kt. Waves 1 ft.
.TUE...NE winds 5 to 10 kt...becoming NW 15 to 20 kt. Waves 1 ft.
Rain through the day. A chance of rain in the evening.
.WED...NW winds 10 to 15 kt...becoming W 5 to 10 kt. Waves 1 ft.

$$

ANZ531-300000-
Chesapeake Bay from Pooles Island to Sandy Point-
443 AM EST Sat Nov 29 2025

.REST OF THE OVERNIGHT...NW winds 15 kt. Waves 2 ft.
.TODAY...NW winds 10 to 15 kt...becoming W around 5 kt in the
afternoon. Waves 1 to 2 ft.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft or less.
.SUN...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Rain
likely.
.SUN NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.MON...NW winds 15 to 20 kt. Waves 2 ft.
.MON NIGHT...E winds 5 kt. Waves less than 1 ft. A chance of rain.
.TUE...NE winds 5 to 10 kt...becoming NW 15 to 20 kt. Waves 1 to
2 ft. Rain through the day. A chance of rain in the evening.
.WED...NW winds 15 to 20 kt...becoming W 5 to 10 kt. Waves 1 to
2 ft.

$$

ANZ538-300000-
Patapsco River including Baltimore Harbor-
443 AM EST Sat Nov 29 2025

.REST OF THE OVERNIGHT...NW winds 10 kt. Waves 1 ft.
.TODAY...NW winds 5 to 10 kt...becoming S late. Waves 1 ft or less.
.TONIGHT...S winds around 5 kt. Waves 1 ft or less.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. Rain likely.
.SUN NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.MON...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.MON NIGHT...E winds around 5 kt. Waves flat. A chance of snow.
.TUE...E winds around 5 kt...becoming N 10 to 15 kt. Waves 1 ft or
less. Rain through the day. A chance of rain in the evening.
.WED...W winds 5 to 10 kt. Waves 1 ft or less.

$$

ANZ539-300000-
Chester River to Queenstown MD-
443 AM EST Sat Nov 29 2025

.REST OF THE OVERNIGHT...NW winds 15 kt. Waves 2 ft.
.TODAY...NW winds 5 to 10 kt. Waves 1 to 2 ft.
.TONIGHT...SE winds 5 to 10 kt. Waves 1 ft or less.
.SUN...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft. Rain
likely.
.SUN NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.MON...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.MON NIGHT...E winds around 5 kt. Waves 1 ft or less.
.TUE...NE winds 5 to 10 kt...becoming NW 10 to 15 kt. Waves 1 ft or
less...building to 2 ft. Rain through the day. A chance of rain in
the evening.
.WED...NW winds 10 to 15 kt...becoming W 5 to 10 kt. Waves 1 to
2 ft.

$$

ANZ532-300000-
Chesapeake Bay from Sandy Point to North Beach-
443 AM EST Sat Nov 29 2025

.REST OF THE OVERNIGHT...NW winds 15 kt. Waves 2 ft.
.TODAY...NW winds 10 to 15 kt...becoming SW around 5 kt in the
afternoon. Waves 1 ft.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Rain
likely.
.SUN NIGHT...W winds 15 to 20 kt. Waves 2 to 3 ft.
.MON...N winds 15 to 20 kt. Waves 2 ft.
.MON NIGHT...E winds 5 kt. Waves less than 1 ft. A chance of rain.
.TUE...NE winds 10 to 15 kt...becoming NW 15 to 20 kt. Waves 1 to
2 ft. Rain through the day, then a chance of rain in the evening.
.WED...NW winds 15 to 20 kt...becoming W 5 to 10 kt. Waves 1 to
2 ft.

$$

ANZ540-300000-
Eastern Bay-
443 AM EST Sat Nov 29 2025

.REST OF THE OVERNIGHT...NW winds 15 kt. Waves 1 ft.
.TODAY...NW winds 5 to 10 kt...becoming SW late. Waves 1 ft.
.TONIGHT...SE winds 5 to 10 kt. Waves 1 ft or less.
.SUN...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Rain likely.
.SUN NIGHT...W winds 15 to 20 kt. Waves 2 ft.
.MON...N winds 15 to 20 kt. Waves 1 to 2 ft.
.MON NIGHT...E winds 5 kt. Waves less than 1 ft. A chance of rain.
.TUE...NE winds 5 to 10 kt...becoming NW 15 to 20 kt. Waves 1 to
2 ft. Rain through the day, then a chance of rain in the evening.
.WED...NW winds 10 to 15 kt...becoming W 5 to 10 kt. Waves 1 to
2 ft.

$$

ANZ533-300000-
Chesapeake Bay from North Beach to Drum Point-
443 AM EST Sat Nov 29 2025

.REST OF THE OVERNIGHT...NW winds 15 kt. Waves 2 ft.
.TODAY...NW winds 10 to 15 kt...becoming SW around 5 kt in the
afternoon. Waves 1 to 2 ft.
.TONIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Rain likely.
.SUN NIGHT...W winds 15 to 20 kt...becoming NW 20 to 25 kt after
midnight. Waves 2 to 3 ft.
.MON...N winds 15 to 20 kt. Waves 2 to 3 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.TUE...E winds 5 to 10 kt...becoming N 20 to 25 kt. Waves 1 to
2 ft...building to 3 ft. Rain through the day, then a chance of rain
in the evening.
.WED...NW winds 15 to 20 kt...becoming W 5 to 10 kt. Waves 2 to
3 ft...subsiding to 1 ft.

$$

ANZ541-300000-
Choptank River to Cambridge MD and the Little Choptank River-
443 AM EST Sat Nov 29 2025

.REST OF THE OVERNIGHT...NW winds 15 kt. Waves 2 ft.
.TODAY...NW winds 10 to 15 kt...becoming W around 5 kt in the
afternoon. Waves 1 to 2 ft.
.TONIGHT...SE winds 5 to 10 kt. Waves 1 ft or less.
.SUN...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Rain likely.
.SUN NIGHT...W winds 15 to 20 kt...becoming NW 20 to 25 kt after
midnight. Waves 2 to 3 ft.
.MON...N winds 15 to 20 kt. Waves 2 ft.
.MON NIGHT...E winds 5 kt. Waves less than 1 ft. A chance of rain
and snow.
.TUE...NE winds 10 to 15 kt...becoming NW 20 to 25 kt. Waves 1 to
2 ft...building to 3 ft after midnight. Rain through the day, then a
chance of rain in the evening.
.WED...NW winds 15 to 20 kt...becoming W 5 to 10 kt. Waves 1 to
2 ft.

$$

ANZ542-300000-
Patuxent River to Broomes Island MD-
443 AM EST Sat Nov 29 2025

.REST OF THE OVERNIGHT...NW winds 10 kt. Waves 1 ft.
.TODAY...NW winds 5 to 10 kt until late afternoon... becoming light.
Waves 1 ft.
.TONIGHT...S winds around 5 kt. Waves 1 ft.
.SUN...SW winds 5 to 10 kt. Waves 1 ft. Rain likely.
.SUN NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt. Waves 1 ft. A
chance of rain.
.MON...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.MON NIGHT...E winds 5 kt. Waves less than 1 ft. A chance of rain
and snow.
.TUE...NE winds 10 to 15 kt...becoming NW. Waves 1 ft. Rain through
the day, then a chance of rain in the evening.
.WED...NW winds 10 to 15 kt...becoming W around 5 kt. Waves 1 ft.

$$

ANZ534-300000-
Chesapeake Bay from Drum Point to Smith Point-
443 AM EST Sat Nov 29 2025

.REST OF THE OVERNIGHT...NW winds 15 kt with gusts to 20 kt. Waves
3 ft.
.TODAY...NW winds 10 to 15 kt...diminishing to around 5 kt late.
Waves 1 to 2 ft.
.TONIGHT...SE winds 5 to 10 kt. Waves 1 ft or less.
.SUN...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Rain
likely.
.SUN NIGHT...W winds 15 to 20 kt...becoming NW 20 to 25 kt after
midnight. Waves 2 ft...building to 4 ft after midnight. A chance of
rain.
.MON...NW winds 20 to 25 kt...becoming N 10 to 15 kt in the
afternoon. Waves 3 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.TUE...NE winds 5 to 10 kt...becoming N 20 to 25 kt. Waves 1 ft...
building to 3 ft. Rain through the day, then a chance of rain in the
evening.
.WED...NW winds 20 to 25 kt...diminishing to 10 to 15 kt in the
afternoon, then becoming W 5 to 10 kt. Waves 3 ft...subsiding to
1 ft.

$$

ANZ543-300000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
443 AM EST Sat Nov 29 2025

.REST OF THE OVERNIGHT...NW winds 15 kt with gusts to 20 kt. Waves
2 ft.
.TODAY...NW winds 10 to 15 kt...diminishing to around 5 kt late.
Waves 1 ft.
.TONIGHT...SE winds 5 to 10 kt. Waves 1 ft or less.
.SUN...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of rain.
.SUN NIGHT...W winds 15 to 20 kt...becoming NW 20 to 25 kt after
midnight. Waves 2 ft. A chance of rain.
.MON...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.MON NIGHT...E winds 5 to 10 kt. Waves 1 ft.
.TUE...NE winds 5 to 10 kt...becoming N 20 to 25 kt. Waves 1 to
2 ft. Rain through the day, then a chance of rain in the evening.
.WED...NW winds 20 to 25 kt...diminishing to 10 to 15 kt in the
afternoon and evening, then becoming W 5 to 10 kt after midnight.
Waves 1 to 2 ft.

$$