873
FZUS51 KLWX 172034
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
434 PM EDT Wed Jul 17 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.

ANZ500-180800-
434 PM EDT Wed Jul 17 2024

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

A cold front will move into the area later today into Thursday
bringing numerous showers and thunderstorms. The front will stall
south of the area for the end of the workweek before lifting back to
 the north this weekend. Small Craft Advisories may be needed for
portions of the waters Thursday night.

$$

ANZ535-180800-
Tidal Potomac from Key Bridge to Indian Head-
434 PM EDT Wed Jul 17 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 553 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

.REST OF THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves
1 ft. Numerous showers and scattered tstms.
.TONIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 ft. Widespread showers and scattered tstms. Patchy fog. Vsby
1 to 3 NM.
.THU...NW winds 5 kt. Waves less than 1 ft. Scattered showers.
Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...N winds 5 kt. Waves less than 1 ft. Scattered showers.
.FRI...NE winds around 5 kt. Waves 1 ft.
.FRI NIGHT...S winds around 5 kt. Waves 1 ft.
.SAT...S winds around 5 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.SUN...SE winds around 5 kt. Waves 1 ft.

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

$$

ANZ536-180800-
Tidal Potomac from Indian Head to Cobb Island-
434 PM EDT Wed Jul 17 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 553 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

.REST OF THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves
1 ft. Numerous showers and scattered tstms.
.TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 ft. Widespread showers and scattered tstms. Patchy fog. Vsby
1 NM or less.
.THU...NW winds 5 kt. Waves less than 1 ft. Scattered showers and
tstms. Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. Scattered showers and
tstms.
.FRI...NE winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...S winds around 5 kt. Waves 1 ft.
.SAT...S winds around 5 kt. Waves 1 ft. A chance of showers and
tstms through the night.
.SUN...S winds around 5 kt. Waves 1 ft or less. A chance of showers
and tstms through the night.

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

$$

ANZ537-180800-
Tidal Potomac from Cobb Island to Smith Point-
434 PM EDT Wed Jul 17 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...SEVERE THUNDERSTORM WATCH 553 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

.REST OF THIS AFTERNOON...S winds 10 kt with gusts to 20 kt. Waves
2 ft. Scattered tstms with isolated showers.
.TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Widespread showers and numerous tstms. Patchy fog. Vsby 1 NM
or less.
.THU...NW winds 5 to 10 kt. Waves 1 ft. Numerous showers and
scattered tstms. Vsby 1 to 3 NM.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. Scattered showers and
tstms.
.FRI...NE winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...SE winds 5 kt. Waves less than 1 ft.
.SAT...SE winds 5 to 10 kt...becoming SW after midnight. Waves 1 ft.
A chance of showers and tstms.
.SUN...S winds 5 kt. Waves less than 1 ft. A chance of showers and
tstms.

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

$$

ANZ530-180800-
Chesapeake Bay north of Pooles Island-
434 PM EDT Wed Jul 17 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 553 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

.REST OF THIS AFTERNOON...SW winds 15 kt with gusts to 20 kt. Waves
1 ft. Widespread showers and scattered tstms.
.TONIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 ft. Widespread showers and scattered tstms. Patchy fog. Vsby
1 NM or less.
.THU...N winds 5 to 10 kt. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft or less.
.FRI...N winds 5 to 10 kt. Waves 1 ft or less.
.FRI NIGHT...S winds around 5 kt. Waves flat.
.SAT...S winds around 5 kt. Waves 1 ft or less.
.SUN...SW winds around 5 kt. Waves flat.

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

$$

ANZ531-180800-
Chesapeake Bay from Pooles Island to Sandy Point-
434 PM EDT Wed Jul 17 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 553 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

.REST OF THIS AFTERNOON...S winds 15 kt with gusts to 20 kt. Waves
2 ft. Widespread showers and scattered tstms.
.TONIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Waves 1 to 2 ft. Widespread showers and scattered tstms. Vsby 1 NM
or less.
.THU...N winds 5 to 10 kt. Waves 1 ft. Scattered showers. Vsby 1 to
3 NM.
.THU NIGHT...N winds 10 to 15 kt. Gusts up to 20 kt after midnight.
Waves 1 ft.
.FRI...NE winds 10 to 15 kt with gusts to 20 kt... diminishing to
around 5 kt in the afternoon. Waves 1 ft.
.FRI NIGHT...S winds 5 kt. Waves flat.
.SAT...S winds 5 to 10 kt. Waves 1 ft or less.
.SUN...W winds 5 kt...becoming S. Waves 1 ft or less.

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

$$

ANZ538-180800-
Patapsco River including Baltimore Harbor-
434 PM EDT Wed Jul 17 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 553 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

.REST OF THIS AFTERNOON...S winds 10 kt with gusts to 20 kt. Waves
1 ft. Numerous showers and scattered tstms.
.TONIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 ft. Widespread showers and scattered tstms.
.THU...N winds 5 kt. Waves less than 1 ft. Scattered showers. Patchy
fog. Vsby 1 to 3 NM.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft or less.
.FRI...NE winds 5 to 10 kt. Waves 1 ft or less.
.FRI NIGHT...S winds 5 kt. Waves flat.
.SAT...S winds 5 to 10 kt. Waves 1 ft or less.
.SUN...SW winds 5 kt. Waves flat.

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

$$

ANZ539-180800-
Chester River to Queenstown MD-
434 PM EDT Wed Jul 17 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 553 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

.REST OF THIS AFTERNOON...S winds 15 kt with gusts to 20 kt. Waves
2 ft. Numerous showers and scattered tstms.
.TONIGHT...W winds 10 to 15 kt with gusts to 20 kt... diminishing to
5 kt late. Waves 1 to 2 ft. Widespread showers and scattered tstms.
Patchy fog. Vsby 1 NM or less.
.THU...N winds 5 to 10 kt. Waves 1 ft. Scattered showers. Vsby 1 to
3 NM.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft or less.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...S winds around 5 kt. Waves flat.
.SAT...S winds 5 kt. Waves less than 1 ft.
.SUN...SW winds 5 kt. Waves less than 1 ft.

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

$$

ANZ532-180800-
Chesapeake Bay from Sandy Point to North Beach-
434 PM EDT Wed Jul 17 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 553 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

.REST OF THIS AFTERNOON...S winds 15 kt with gusts to 20 kt. Waves
2 ft. Numerous showers and scattered tstms.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Waves 1 to 2 ft. Widespread showers and scattered tstms. Vsby 1 NM
or less.
.THU...N winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.THU NIGHT...NE winds 5 kt...becoming N 10 to 15 kt with gusts to
20 kt after midnight. Waves 1 ft. Scattered showers.
.FRI...NE winds 10 to 15 kt with gusts to 20 kt... diminishing to
5 kt in the afternoon. Waves 1 ft.
.FRI NIGHT...S winds 5 to 10 kt. Waves flat.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 5 kt...becoming S. Waves 1 ft or less.

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

$$

ANZ540-180800-
Eastern Bay-
434 PM EDT Wed Jul 17 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 553 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

.REST OF THIS AFTERNOON...S winds 15 kt with gusts to 20 kt. Waves
1 ft. Scattered showers and tstms.
.TONIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Waves 1 to 2 ft. Widespread showers and scattered tstms. Patchy fog.
Vsby 1 NM or less.
.THU...NW winds 5 to 10 kt. Waves 1 ft. Scattered showers. Vsby 1 to
3 NM.
.THU NIGHT...NE winds 5 kt...becoming N 10 to 15 kt with gusts to
20 kt after midnight. Waves 1 ft or less. Scattered showers.
.FRI...NE winds 10 to 15 kt with gusts to 20 kt... becoming N 5 kt
in the afternoon. Waves 1 ft.
.FRI NIGHT...S winds 5 to 10 kt. Waves flat.
.SAT...S winds 5 kt. Waves less than 1 ft.
.SUN...SW winds 5 kt. Waves flat.

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

$$

ANZ533-180800-
Chesapeake Bay from North Beach to Drum Point-
434 PM EDT Wed Jul 17 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 553 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

.REST OF THIS AFTERNOON...S winds 15 kt with gusts to 20 kt. Waves
2 ft. Scattered showers and tstms.
.TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt... becoming W
5 to 10 kt late. Waves 1 to 2 ft. Widespread showers and numerous
tstms. Patchy fog. Vsby 1 NM or less.
.THU...NW winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.THU NIGHT...NE winds 5 kt...becoming N 10 to 15 kt with gusts to
20 kt after midnight. Waves 1 ft. Scattered showers.
.FRI...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Waves
1 to 2 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Waves flat.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SUN...SW winds 5 kt...becoming S. Waves 1 ft.

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

$$

ANZ541-180800-
Choptank River to Cambridge MD and the Little Choptank River-
434 PM EDT Wed Jul 17 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 553 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

.REST OF THIS AFTERNOON...S winds 15 kt with gusts to 20 kt. Waves
2 ft. Scattered showers and tstms.
.TONIGHT...SW winds 10 to 15 kt with gusts to 25 kt... becoming W
5 to 10 kt late. Waves 1 to 2 ft. Widespread showers and numerous
tstms. Patchy fog. Vsby 1 NM or less.
.THU...NW winds 5 to 10 kt. Waves 1 ft. Scattered showers. Vsby 1 to
3 NM.
.THU NIGHT...NE winds 5 kt...becoming N 10 to 15 kt with gusts to
20 kt after midnight. Waves 1 ft or less. Scattered showers.
.FRI...NE winds 10 to 15 kt with gusts to 20 kt... becoming N 5 kt
in the afternoon. Waves 1 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Waves flat.
.SAT...S winds 5 to 10 kt. Waves 1 ft or less.
.SUN...W winds 5 kt...becoming S. Waves 1 ft or less.

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

$$

ANZ542-180800-
Patuxent River to Broomes Island MD-
434 PM EDT Wed Jul 17 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 PM EDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 553 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

.REST OF THIS AFTERNOON...S winds 10 kt with gusts to 20 kt. Waves
1 ft. Scattered showers and tstms.
.TONIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 ft. Widespread showers and numerous tstms. Patchy fog. Vsby
1 NM or less.
.THU...NW winds 5 kt. Waves less than 1 ft. Scattered showers and
tstms.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. Scattered showers and
tstms.
.FRI...NE winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...SE winds 5 kt. Waves less than 1 ft.
.SAT...SE winds 5 to 10 kt...becoming SW after midnight. Waves 1 ft.
A chance of showers. A chance of tstms through the night.
.SUN...S winds 5 kt. Waves less than 1 ft. A chance of tstms in the
afternoon. A chance of showers through the night.

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

$$

ANZ534-180800-
Chesapeake Bay from Drum Point to Smith Point-
434 PM EDT Wed Jul 17 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...SEVERE THUNDERSTORM WATCH 553 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

.REST OF THIS AFTERNOON...S winds 15 kt with gusts to 20 kt. Waves
3 ft. Scattered tstms with isolated showers.
.TONIGHT...S winds 10 to 15 kt...becoming SW in the late evening and
overnight. Gusts up to 25 kt. Waves 2 to 3 ft. Widespread showers
and numerous tstms. Patchy fog. Vsby 1 NM or less.
.THU...NW winds 5 to 10 kt. Waves 1 to 2 ft. Numerous showers and
scattered tstms. Vsby 1 to 3 NM.
.THU NIGHT...N winds 5 kt...increasing to 10 to 15 kt after
midnight. Waves 1 ft. Scattered showers and tstms.
.FRI...NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Waves
1 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.SAT...SE winds 5 to 10 kt...becoming SW after midnight. Waves 1 ft.
A chance of showers. A chance of tstms through the night.
.SUN...NW winds 5 to 10 kt...becoming S. Waves 1 ft. A chance of
showers and tstms.

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

$$

ANZ543-180800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
434 PM EDT Wed Jul 17 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...SEVERE THUNDERSTORM WATCH 553 IN EFFECT UNTIL 10 PM EDT THIS
EVENING...

.REST OF THIS AFTERNOON...S winds 15 kt with gusts to 20 kt. Waves
2 ft. Scattered tstms with isolated showers.
.TONIGHT...S winds 15 to 20 kt with gusts to 25 kt... becoming SW
10 to 15 kt with gusts to 25 kt in the late evening and overnight.
Waves 2 ft. Showers and numerous tstms. Patchy fog. Vsby 1 NM or
less.
.THU...W winds 5 to 10 kt. Waves 1 ft. Numerous showers and
scattered tstms.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. Numerous showers and
scattered tstms.
.FRI...NE winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.SAT...SE winds 5 to 10 kt...becoming SW after midnight. Waves 1 ft.
A chance of showers. A chance of tstms through the night.
.SUN...W winds 5 to 10 kt...becoming S. Waves 1 ft. A chance of
showers and tstms.

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

$$