494
FZUS51 KLWX 270535
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
135 AM EDT Fri Sep 27 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.

ANZ500-272000-
135 AM EDT Fri Sep 27 2024

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

High pressure briefly builds to the north this afternoon providing a
 brief lull in the rain activity through the evening hours. The
remnants of Helene spiral around an upper low to the southwest this
weekend into early next week. Turning drier with high pressure by
the middle of next week. Small Craft Advisories may be needed at
times Friday through the weekend.

$$

ANZ535-272000-
Tidal Potomac from Key Bridge to Indian Head-
135 AM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...

.OVERNIGHT...E winds 5 kt. Waves less than 1 ft. Isolated showers.
Vsby 1 to 3 NM.
.FRI...E winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. Numerous
showers and scattered tstms. Patchy fog. Vsby 1 to 3 NM.
.FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt... becoming SE
5 kt late. Waves 1 ft. Showers and scattered tstms. Patchy fog. Vsby
1 NM or less.
.SAT...S winds 5 kt. Waves less than 1 ft.
.SAT NIGHT...E winds around 5 kt. Waves 1 ft.
.SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft. Numerous showers.
.MON...NE winds 5 kt. Waves less than 1 ft. Numerous showers.
.TUE...N winds 5 kt. Waves less than 1 ft. A chance of showers.

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

$$

ANZ536-272000-
Tidal Potomac from Indian Head to Cobb Island-
135 AM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...

.OVERNIGHT...SE winds 5 kt. Waves less than 1 ft. A chance of
showers. Vsby 1 to 3 NM.
.FRI...E winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft.
Showers and scattered tstms. Patchy fog. Vsby 1 to 3 NM.
.FRI NIGHT...SE winds 15 to 20 kt with gusts to 25 kt...becoming S
5 to 10 kt late. Waves 1 to 2 ft. Numerous showers and scattered
tstms. Patchy fog. Vsby 1 NM or less.
.SAT...S winds 5 kt. Waves less than 1 ft.
.SAT NIGHT...SE winds 5 kt. Waves less than 1 ft.
.SUN...E winds 5 kt. Waves less than 1 ft. Scattered showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft. Numerous showers.
.MON...E winds 5 to 10 kt. Waves 1 ft. Numerous showers .
.TUE...N winds 5 to 10 kt. Waves 1 ft. A chance of showers.

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

$$

ANZ537-272000-
Tidal Potomac from Cobb Island to Smith Point-
135 AM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...

.OVERNIGHT...SE winds 5 kt. Waves less than 1 ft. Isolated showers.
.FRI...E winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft...
building to 3 ft in the afternoon. Numerous showers and scattered
tstms. Patchy fog. Vsby 1 to 3 NM.
.FRI NIGHT...SE winds 15 to 20 kt with gusts to 25 kt...becoming S
5 to 10 kt late. Waves 2 to 3 ft. Numerous showers and scattered
tstms. Patchy fog. Vsby 1 NM or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.SUN...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 to 2 ft. Scattered showers.
.MON...E winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.
.TUE...N winds 5 to 10 kt. Waves 1 ft. A chance of showers.

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

$$

ANZ530-272000-
Chesapeake Bay north of Pooles Island-
135 AM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...

.OVERNIGHT...SE winds 5 kt. Waves less than 1 ft. Isolated showers.
Patchy fog. Vsby 1 to 3 NM.
.FRI...E winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves
1 ft. Numerous showers. Patchy fog. Vsby 1 to 3 NM.
.FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers. Patchy fog. Vsby 1 NM or less.
.SAT...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN...E winds 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...NE winds 10 to 15 kt. Waves 1 ft. Scattered showers.
.MON...NE winds 10 to 15 kt. Waves 1 ft. A chance of showers through
the day, then showers likely through the night.
.TUE...NE winds 5 to 10 kt. Waves 1 ft. Showers likely in the
morning, then a chance of showers through the night.

$$

ANZ531-272000-
Chesapeake Bay from Pooles Island to Sandy Point-
135 AM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...

.OVERNIGHT...SE winds 5 kt. Waves flat. Isolated showers. Patchy
fog. Vsby 1 to 3 NM.
.FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Scattered showers. Patchy fog. Vsby 1 to 3 NM.
.FRI NIGHT...E winds 15 to 20 kt. Waves 2 ft. Showers. Patchy fog.
Vsby 1 NM or less.
.SAT...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN...E winds 10 kt. Waves 1 to 2 ft. Scattered showers.
.SUN NIGHT...NE winds 10 to 15 kt. Waves 2 ft. Numerous showers.
.MON...NE winds 10 to 15 kt. Waves 1 to 2 ft. Numerous showers
through the day, then showers likely through the night.
.TUE...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers.

$$

ANZ538-272000-
Patapsco River including Baltimore Harbor-
135 AM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...

.OVERNIGHT...Light winds. Waves flat. Isolated showers. Patchy fog.
Vsby 1 to 3 NM.
.FRI...E winds 5 to 10 kt. Gusts up to 20 kt in the late morning and
afternoon. Waves 1 ft. Numerous showers. Patchy fog. Vsby 1 to 3 NM.
.FRI NIGHT...E winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
Showers. Patchy fog. Vsby 1 NM or less.
.SAT...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SAT NIGHT...E winds 5 kt. Waves less than 1 ft. Scattered showers.
.SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft. Numerous showers.
.MON...NE winds 5 to 10 kt. Waves 1 ft. Numerous showers through the
day, then showers likely through the night.
.TUE...NE winds 5 to 10 kt. Waves 1 ft or less. A chance of showers
in the morning, then showers likely through the night.

$$

ANZ539-272000-
Chester River to Queenstown MD-
135 AM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...

.OVERNIGHT...SE winds 5 kt. Waves flat. Isolated showers.
.FRI...E winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves
1 ft. Scattered showers. Vsby 1 to 3 NM.
.FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers. Patchy fog. Vsby 1 NM or less.
.SAT...SE winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...E winds 10 kt. Waves 1 ft. Numerous showers.
.MON...NE winds 5 to 10 kt. Waves 1 ft. Numerous showers in the
morning, then showers likely.
.TUE...NE winds 5 to 10 kt. Waves 1 ft. Showers likely in the
morning, then a chance of showers through the night.

$$

ANZ532-272000-
Chesapeake Bay from Sandy Point to North Beach-
135 AM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...

.OVERNIGHT...SE winds 5 kt. Waves less than 1 ft. Isolated showers.
.FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Scattered showers. Vsby 1 to 3 NM.
.FRI NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 2 to
3 ft. Showers. Patchy fog. Vsby 1 NM or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN...E winds 5 to 10 kt. Waves 1 to 2 ft. Scattered showers.
.SUN NIGHT...E winds 10 kt. Waves 2 ft. Scattered showers.
.MON...E winds 10 kt. Waves 1 to 2 ft. A chance of showers in the
morning, then showers likely.
.TUE...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers.

$$

ANZ540-272000-
Eastern Bay-
135 AM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...

.OVERNIGHT...SE winds 5 kt. Waves flat. Isolated showers.
.FRI...E winds 5 to 10 kt. Gusts up to 20 kt in the late morning and
afternoon. Waves 1 ft. Scattered showers.
.FRI NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. Showers. Patchy fog. Vsby 1 NM or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...E winds 5 kt. Waves less than 1 ft. Scattered showers.
.SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...E winds 10 kt. Waves 1 ft. Scattered showers.
.MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning, then showers likely.
.TUE...NE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ533-272000-
Chesapeake Bay from North Beach to Drum Point-
135 AM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...

.OVERNIGHT...SE winds 5 kt. Waves less than 1 ft. Isolated showers.
.FRI...E winds 5 to 10 kt with gusts to 25 kt...becoming SE 15 kt
with gusts to 25 kt late. Waves 1 ft... building to 3 ft in the
afternoon. Scattered showers. Vsby 1 to 3 NM.
.FRI NIGHT...SE winds 15 to 20 kt with gusts to 25 kt...diminishing
to 10 kt late. Waves 2 to 3 ft. Numerous showers and scattered
tstms. Patchy fog. Vsby 1 NM or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...E winds 10 kt. Waves 2 ft. Scattered showers.
.MON...E winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers in
the morning, then showers likely.
.TUE...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers.

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

$$

ANZ541-272000-
Choptank River to Cambridge MD and the Little Choptank River-
135 AM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...

.OVERNIGHT...SE winds 5 kt. Waves less than 1 ft. Isolated showers.
.FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Scattered showers.
.FRI NIGHT...SE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Numerous showers and scattered tstms. Patchy fog. Vsby 1 NM or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.MON...E winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning, then showers likely.
.TUE...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers.

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

$$

ANZ542-272000-
Patuxent River to Broomes Island MD-
135 AM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...

.OVERNIGHT...SE winds 5 kt. Waves less than 1 ft. Isolated showers.
.FRI...E winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. Numerous
showers.
.FRI NIGHT...SE winds 10 to 15 kt. Gusts up to 20 kt until early
morning. Waves 1 ft. Numerous showers and scattered tstms. Patchy
fog. Vsby 1 NM or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...SE winds around 5 kt. Waves 1 ft.
.SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.MON...E winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning. Showers likely through the night, then a chance of showers
after midnight.
.TUE...N winds 5 to 10 kt. Waves 1 ft. A chance of showers.

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

$$

ANZ534-272000-
Chesapeake Bay from Drum Point to Smith Point-
135 AM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...

.OVERNIGHT...SE winds 10 kt. Waves 1 ft. Isolated showers. Patchy
fog. Vsby 1 to 3 NM.
.FRI...SE winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
Numerous showers and scattered tstms. Patchy fog. Vsby 1 to 3 NM.
.FRI NIGHT...SE winds 15 to 20 kt with gusts to 25 kt...becoming S
10 to 15 kt late. Waves 3 ft. Showers and scattered tstms. Patchy
fog. Vsby 1 NM or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.SUN...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 to 2 ft. Scattered showers.
.MON...E winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.
.TUE...N winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.

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

$$

ANZ543-272000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
135 AM EDT Fri Sep 27 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...

.OVERNIGHT...SE winds 10 kt. Waves 1 ft. Isolated showers. Patchy
fog. Vsby 1 to 3 NM.
.FRI...SE winds 10 to 15 kt. Gusts up to 25 kt. Waves 1 to 2 ft.
Scattered showers. Patchy fog. Vsby 1 to 3 NM.
.FRI NIGHT...SE winds 15 to 20 kt with gusts to 25 kt...becoming S
10 kt late. Waves 2 ft. Numerous showers and scattered tstms. Patchy
fog. Vsby 1 NM or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.SUN...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers.
.MON...E winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.TUE...N winds 5 to 10 kt. Waves 1 ft. A chance of showers.

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

$$