Coastal Waters Forecast
Issued by NWS Sterling, VA

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993
FZUS51 KLWX 180536
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
135 AM EDT Wed Sep 18 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.

ANZ500-182000-
135 AM EDT Wed Sep 18 2024

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

Low pressure over the Carolinas will gradually weaken through
Wednesday. Another low may develop off the coast during the second
half of the week. Small Craft Advisories may be needed Friday night
into Saturday.

$$

ANZ535-182000-
Tidal Potomac from Key Bridge to Indian Head-
135 AM EDT Wed Sep 18 2024

...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON EDT TODAY...

.OVERNIGHT...NE winds 10 kt with gusts to 20 kt. Waves 1 ft. Showers
with isolated tstms. Vsby 1 to 3 NM.
.WED...NE winds 10 kt with gusts to 20 kt. Waves 1 ft. Showers. Vsby
1 NM or less.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...N winds 5 kt. Waves less than 1 ft.
.FRI...N winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...NE winds 5 kt. Waves less than 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.
.SUN...NE winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ536-182000-
Tidal Potomac from Indian Head to Cobb Island-
135 AM EDT Wed Sep 18 2024

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

.OVERNIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers with isolated tstms. Patchy fog. Vsby 1 to 3 NM.
.WED...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Showers. Patchy fog. Vsby 1 NM or less.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.
.SUN...NE winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ537-182000-
Tidal Potomac from Cobb Island to Smith Point-
135 AM EDT Wed Sep 18 2024

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

.OVERNIGHT...E winds 15 kt with gusts to 25 kt. Waves 3 ft. Showers
with isolated tstms. Patchy fog. Vsby 1 to 3 NM.
.WED...NE winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
Numerous showers. Vsby 1 to 3 NM.
.WED NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Scattered showers.
.THU...N winds 5 to 10 kt. Waves 2 ft. Scattered showers.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NE winds 10 kt. Waves 1 to 2 ft.
.SAT...NE winds 10 to 15 kt. Waves 2 ft.
.SUN...NE winds 10 to 15 kt. Waves 2 to 3 ft.

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

$$

ANZ530-182000-
Chesapeake Bay north of Pooles Island-
135 AM EDT Wed Sep 18 2024

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

.OVERNIGHT...NE winds 15 kt with gusts to 20 kt. Waves 1 ft.
Numerous showers with isolated tstms.
.WED...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Scattered showers. Vsby 1 to 3 NM.
.WED NIGHT...NE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
Scattered showers.
.THU...N winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Waves 1 ft.
.SUN...NE winds 10 to 15 kt. Waves 1 ft.

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

$$

ANZ531-182000-
Chesapeake Bay from Pooles Island to Sandy Point-
135 AM EDT Wed Sep 18 2024

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

.OVERNIGHT...NE winds 15 kt with gusts to 20 kt. Waves 2 ft.
Numerous showers with isolated tstms. Vsby 1 to 3 NM.
.WED...NE winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Numerous showers. Vsby 1 to 3 NM.
.WED NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Scattered showers.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance
of showers.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 10 kt. Waves 1 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Waves 1 to 2 ft.
.SAT...NE winds 10 to 15 kt. Waves 2 ft.
.SUN...NE winds 10 to 15 kt. Waves 2 ft.

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

$$

ANZ538-182000-
Patapsco River including Baltimore Harbor-
135 AM EDT Wed Sep 18 2024

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

.OVERNIGHT...NE winds 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Numerous showers with isolated tstms. Vsby 1 to 3 NM.
.WED...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Numerous showers. Vsby 1 to 3 NM.
.WED NIGHT...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
Scattered showers.
.THU...N winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 5 to 10 kt. Waves 1 ft.
.SUN...NE winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ539-182000-
Chester River to Queenstown MD-
135 AM EDT Wed Sep 18 2024

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

.OVERNIGHT...NE winds 15 kt with gusts to 20 kt. Waves 2 ft. Showers
with isolated tstms. Vsby 1 to 3 NM.
.WED...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Numerous showers. Vsby 1 to 3 NM.
.WED NIGHT...NE winds 10 kt with gusts to 20 kt. Waves 2 ft.
Scattered showers.
.THU...N winds 10 kt. Waves 1 to 2 ft. A chance of showers.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 10 kt. Waves 1 ft.
.FRI NIGHT...NE winds 10 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Waves 1 ft.
.SUN...NE winds 10 to 15 kt. Waves 1 ft.

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

$$

ANZ532-182000-
Chesapeake Bay from Sandy Point to North Beach-
135 AM EDT Wed Sep 18 2024

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

.OVERNIGHT...NE winds 15 kt with gusts to 25 kt. Waves 2 ft. Showers
with isolated tstms. Vsby 1 to 3 NM.
.WED...NE winds 15 kt with gusts to 25 kt. Waves 2 to 3 ft. Numerous
showers. Vsby 1 to 3 NM.
.WED NIGHT...NE winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Scattered showers.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance
of showers.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.FRI...N winds 10 kt. Waves 1 to 2 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Waves 2 ft.
.SAT...NE winds 10 to 15 kt. Waves 2 ft.
.SUN...NE winds 10 to 15 kt. Waves 2 ft.

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

$$

ANZ540-182000-
Eastern Bay-
135 AM EDT Wed Sep 18 2024

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

.OVERNIGHT...NE winds 15 kt with gusts to 20 kt. Waves 2 ft. Showers
with isolated tstms. Vsby 1 to 3 NM.
.WED...NE winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Numerous showers. Vsby 1 NM or less.
.WED NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Scattered showers.
.THU...N winds 10 kt. Waves 1 ft. A chance of showers.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...N winds 10 kt. Waves 1 ft.
.FRI NIGHT...NE winds 10 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Waves 1 ft.
.SUN...NE winds 10 to 15 kt. Waves 1 ft.

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

$$

ANZ533-182000-
Chesapeake Bay from North Beach to Drum Point-
135 AM EDT Wed Sep 18 2024

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

.OVERNIGHT...NE winds 15 kt with gusts to 25 kt. Waves 3 ft. Showers
with isolated tstms. Patchy fog. Vsby 1 to 3 NM.
.WED...NE winds 10 to 15 kt with gusts to 25 kt. Waves 3 ft.
Numerous showers. Vsby 1 NM or less.
.WED NIGHT...NE winds 10 to 15 kt with gusts to 25 kt. Waves 2 to
3 ft. Scattered showers.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance
of showers.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 to 2 ft. A chance of
showers.
.FRI...N winds 10 to 15 kt. Waves 2 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Waves 2 ft.
.SAT...NE winds 10 to 15 kt. Waves 2 ft.
.SUN...NE winds 15 to 20 kt. Waves 2 to 3 ft.

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

$$

ANZ541-182000-
Choptank River to Cambridge MD and the Little Choptank River-
135 AM EDT Wed Sep 18 2024

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

.OVERNIGHT...NE winds 15 kt with gusts to 25 kt. Waves 2 ft. Showers
with isolated tstms. Patchy fog. Vsby 1 to 3 NM.
.WED...NE winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Numerous showers. Vsby 1 NM or less.
.WED NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Scattered showers.
.THU...N winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft. A chance
of showers.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...N winds 10 kt. Waves 1 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Waves 1 to 2 ft.
.SUN...NE winds 10 to 15 kt. Waves 2 ft.

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

$$

ANZ542-182000-
Patuxent River to Broomes Island MD-
135 AM EDT Wed Sep 18 2024

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

.OVERNIGHT...NE winds 15 kt with gusts to 20 kt. Waves 1 ft. Showers
with isolated tstms. Patchy fog. Vsby 1 to 3 NM.
.WED...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Numerous showers. Vsby 1 to 3 NM.
.WED NIGHT...NE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
Scattered showers.
.THU...N winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...N winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Waves 1 ft.
.SUN...NE winds 10 to 15 kt. Waves 1 ft.

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

$$

ANZ534-182000-
Chesapeake Bay from Drum Point to Smith Point-
135 AM EDT Wed Sep 18 2024

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

.OVERNIGHT...E winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
Showers with isolated tstms. Patchy fog. Vsby 1 to 3 NM.
.WED...NE winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
Numerous showers. Vsby 1 to 3 NM.
.WED NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 to
3 ft. Scattered showers.
.THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance
of showers.
.THU NIGHT...N winds 10 kt. Waves 2 ft. A chance of showers.
.FRI...N winds 10 kt. Waves 2 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Waves 2 ft.
.SAT...NE winds 10 to 15 kt. Waves 2 to 3 ft.
.SUN...NE winds 15 to 20 kt. Waves 3 ft.

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

$$

ANZ543-182000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
135 AM EDT Wed Sep 18 2024

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

.OVERNIGHT...E winds 15 kt with gusts to 25 kt. Waves 2 ft. Showers
with isolated tstms. Patchy fog. Vsby 1 to 3 NM.
.WED...NE winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
Numerous showers. Vsby 1 to 3 NM.
.WED NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Scattered showers.
.THU...N winds 10 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.FRI...N winds 10 kt. Waves 1 ft.
.FRI NIGHT...NE winds 10 to 15 kt. Waves 1 ft.
.SAT...NE winds 10 to 15 kt. Waves 2 ft.
.SUN...NE winds 15 to 20 kt. Waves 2 ft.

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

$$