Coastal Waters Forecast
Issued by NWS Sterling, VA

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary Off
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
393
FZUS51 KLWX 251436
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1036 AM EDT Wed Sep 25 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.

ANZ500-252000-
1036 AM EDT Wed Sep 25 2024

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

A slow-moving front and area of low pressure will pass through
during the middle of the week. High pressure will build to the north
 as the remnants of Helene spiral around an upper low to the
southwest this weekend into early next week. Small Craft Advisories
may be needed at times Friday through the weekend.

$$

ANZ535-252000-
Tidal Potomac from Key Bridge to Indian Head-
1036 AM EDT Wed Sep 25 2024

.REST OF TODAY...SE winds 5 kt. Waves less than 1 ft. Scattered
tstms. Showers. Patchy fog.
.TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers and
tstms.
.THU...S winds 5 kt. Waves less than 1 ft. A chance of showers.
.THU NIGHT...SE winds 5 kt. Waves less than 1 ft.
.FRI...E winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves
1 ft. A chance of showers.
.FRI NIGHT...E winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
Showers likely.
.SAT...E winds 5 to 10 kt. Waves 1 ft. Showers likely, mainly in the
morning.
.SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ536-252000-
Tidal Potomac from Indian Head to Cobb Island-
1036 AM EDT Wed Sep 25 2024

.REST OF TODAY...SE winds 10 kt. Waves 1 ft. Patchy fog late this
morning. Numerous showers and scattered tstms.
.TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers and
tstms. Vsby 1 to 3 NM.
.THU...S winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft. A chance of showers.
.FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.SAT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ537-252000-
Tidal Potomac from Cobb Island to Smith Point-
1036 AM EDT Wed Sep 25 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...SE winds 10 to 15 kt with gusts to 20 kt. Waves
2 ft. Patchy fog late this morning. Numerous showers and scattered
tstms.
.TONIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Scattered showers.
.THU...SE winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.FRI...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of showers and tstms.
.FRI NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers and tstms.
.SAT...E winds 10 kt. Waves 1 to 2 ft. A chance of showers in the
morning.
.SUN...E winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers
through the night.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ530-252000-
Chesapeake Bay north of Pooles Island-
1036 AM EDT Wed Sep 25 2024

.REST OF TODAY...SE winds 10 kt. Waves 1 ft. Isolated tstms.
Showers. Patchy fog. Vsby 1 to 3 NM.
.TONIGHT...SE winds 10 to 15 kt. Waves 1 ft. Numerous showers.
Patchy fog. Vsby 1 to 3 NM.
.THU...S winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers likely.
.SAT...E winds 10 to 15 kt. Waves 1 ft. A chance of showers in the
morning. A chance of showers through the night.
.SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ531-252000-
Chesapeake Bay from Pooles Island to Sandy Point-
1036 AM EDT Wed Sep 25 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...SE winds 10 to 15 kt with gusts to 20 kt. Waves
2 ft. Isolated tstms. Showers. Patchy fog late this morning. Patchy
fog this afternoon. Vsby 1 to 3 NM late this morning.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Scattered showers.
.THU...S winds 10 kt. Waves 1 ft. A chance of showers.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 10 to 15 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers likely.
.SAT...E winds 10 to 15 kt. Waves 1 to 2 ft. Showers likely in the
morning. A chance of showers.
.SUN...E winds 10 kt. Waves 1 ft. A chance of showers.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ538-252000-
Patapsco River including Baltimore Harbor-
1036 AM EDT Wed Sep 25 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...SE winds 10 kt with gusts to 20 kt. Waves 1 ft.
Showers with isolated tstms late this morning, then numerous showers
and scattered tstms this afternoon. Patchy fog.
.TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers and
tstms. Patchy fog.
.THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...E winds 10 kt with gusts to 20 kt. Waves 1 ft. Showers
likely.
.SAT...E winds 5 to 10 kt. Waves 1 ft. Showers likely, mainly in the
morning.
.SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ539-252000-
Chester River to Queenstown MD-
1036 AM EDT Wed Sep 25 2024

.REST OF TODAY...SE winds 10 kt. Waves 1 ft. Isolated tstms.
Showers. Patchy fog this afternoon.
.TONIGHT...SE winds 10 kt. Waves 1 ft. Scattered showers.
.THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU NIGHT...S winds 5 kt. Waves less than 1 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers likely.
.SAT...E winds 10 to 15 kt. Waves 1 ft. Showers likely in the
morning. A chance of showers through the night.
.SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ532-252000-
Chesapeake Bay from Sandy Point to North Beach-
1036 AM EDT Wed Sep 25 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...SE winds 15 kt with gusts to 20 kt. Waves 2 ft.
Patchy fog late this morning. Showers with isolated tstms late this
morning, then numerous showers and scattered tstms this afternoon.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Scattered showers.
.THU...S winds 10 kt. Waves 1 to 2 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 to 2 ft. A chance of showers.
.FRI NIGHT...E winds 15 kt with gusts to 20 kt. Waves 2 ft. Showers
likely.
.SAT...E winds 10 to 15 kt. Waves 1 to 2 ft. Showers likely, mainly
in the morning.
.SUN...E winds 10 kt. Waves 1 ft. A chance of showers.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ540-252000-
Eastern Bay-
1036 AM EDT Wed Sep 25 2024

.REST OF TODAY...SE winds 10 kt with gusts to 20 kt. Waves 1 ft.
Patchy fog late this morning. Isolated tstms. Showers.
.TONIGHT...SE winds 10 kt with gusts to 20 kt. Waves 1 ft. Scattered
showers.
.THU...S winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.FRI...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers likely.
.SAT...E winds 10 to 15 kt. Waves 1 ft. Showers likely in the
morning. A chance of showers through the night.
.SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ533-252000-
Chesapeake Bay from North Beach to Drum Point-
1036 AM EDT Wed Sep 25 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...SE winds 15 kt with gusts to 20 kt. Waves 2 ft.
Patchy fog late this morning. Scattered tstms. Showers.
.TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Scattered showers.
.THU...S winds 5 to 10 kt. Waves 1 to 2 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 to 2 ft.
.FRI...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A
chance of showers.
.FRI NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.SAT...E winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers in
the morning.
.SUN...E winds 10 kt. Waves 1 ft. A chance of showers through the
night.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ541-252000-
Choptank River to Cambridge MD and the Little Choptank River-
1036 AM EDT Wed Sep 25 2024

.REST OF TODAY...SE winds 10 kt with gusts to 20 kt. Waves 1 ft.
Patchy fog late this morning. Scattered tstms. Showers.
.TONIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Scattered showers.
.THU...S winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.FRI...SE winds 10 to 15 kt. Waves 1 ft. A chance of showers.
.FRI NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers likely.
.SAT...E winds 10 to 15 kt. Waves 1 ft. Showers likely in the
morning.
.SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ542-252000-
Patuxent River to Broomes Island MD-
1036 AM EDT Wed Sep 25 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...SE winds 10 kt with gusts to 20 kt. Waves 1 ft.
Patchy fog late this morning. Numerous showers and scattered tstms.
.TONIGHT...SE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
Scattered showers.
.THU...SE winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.FRI...SE winds 10 to 15 kt. Gusts up to 20 kt in the afternoon.
Waves 1 ft. A chance of showers.
.FRI NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.SAT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.
.SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ534-252000-
Chesapeake Bay from Drum Point to Smith Point-
1036 AM EDT Wed Sep 25 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...SE winds 15 kt with gusts to 20 kt. Waves 2 ft.
Numerous showers and scattered tstms.
.TONIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Scattered showers.
.THU...S winds 10 kt. Waves 1 to 2 ft.
.THU NIGHT...SE winds 10 kt. Waves 2 ft.
.FRI...SE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.FRI NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 3 ft. A
chance of showers and tstms.
.SAT...E winds 10 to 15 kt...becoming 10 kt after midnight. Waves
2 ft. A chance of showers in the morning.
.SUN...E winds 10 kt. Waves 2 ft.

Winds and waves higher and visibilities lower in and near tstms.

$$

ANZ543-252000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1036 AM EDT Wed Sep 25 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.REST OF TODAY...SE winds 10 kt with gusts to 20 kt. Waves 1 ft.
Numerous showers and scattered tstms.
.TONIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Scattered showers.
.THU...SE winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SE winds 10 kt. Waves 1 ft.
.FRI...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.FRI NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers and tstms.
.SAT...SE winds 10 to 15 kt...becoming E after midnight. Waves 1 ft.
A chance of showers in the morning.
.SUN...E winds 10 kt. Waves 1 ft.

Winds and waves higher and visibilities lower in and near tstms.

$$