620
FZUS51 KLWX 190558
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1258 AM EST Wed Nov 19 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.

ANZ500-192100-
1258 AM EST Wed Nov 19 2025

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

A wave of low pressure will track along a stalled front over or just
 south of the Mid-Atlantic through tonight. The front will remain
stalled just to the south through Thursday. Another area of low
pressure may take a similar path Friday into Saturday. Small Craft
Advisories may be needed Friday night into Saturday.

$$

ANZ535-192100-
Tidal Potomac from Key Bridge to Indian Head-
1258 AM EST Wed Nov 19 2025

.OVERNIGHT...SE winds 5 kt. Waves less than 1 ft. Rain. Vsby 1 to
3 NM.
.WED...N winds around 5 kt. Waves 1 ft.
.WED NIGHT...N winds around 5 kt. Waves 1 ft.
.THU...E winds around 5 kt. Waves 1 ft or less.
.THU NIGHT...SE winds around 5 kt. Waves 1 ft or less.
.FRI...S winds around 5 kt. Waves 1 ft.
.FRI NIGHT...SW winds around 5 kt. Waves 1 ft. Rain likely.
.SAT...N winds around 5 kt. Waves 1 ft. A chance of rain in the
morning.
.SUN...W winds around 5 kt. Waves 1 ft.

$$

ANZ536-192100-
Tidal Potomac from Indian Head to Cobb Island-
1258 AM EST Wed Nov 19 2025

.OVERNIGHT...SE winds 10 kt...becoming S late. Waves 1 ft. Rain.
.WED...NW winds 5 to 10 kt...becoming N late. Waves 1 ft.
.WED NIGHT...N winds around 5 kt. Waves 1 ft.
.THU...E winds around 5 kt. Waves 1 ft.
.THU NIGHT...SE winds around 5 kt. Waves 1 ft.
.FRI...S winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. Rain likely.
.SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain in the
morning.
.SUN...W winds 5 kt. Waves less than 1 ft.

$$

ANZ537-192100-
Tidal Potomac from Cobb Island to Smith Point-
1258 AM EST Wed Nov 19 2025

.OVERNIGHT...S winds 10 kt. Waves 1 ft. Rain. Vsby 1 to 3 NM.
.WED...W winds 5 to 10 kt...becoming N in the afternoon. Waves 1 ft.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.THU...NE winds around 5 kt. Waves 1 ft.
.THU NIGHT...SE winds around 5 kt. Waves flat.
.FRI...S winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. Rain likely.
.SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain in the
morning.
.SUN...W winds 5 kt. Waves less than 1 ft.

$$

ANZ530-192100-
Chesapeake Bay north of Pooles Island-
1258 AM EST Wed Nov 19 2025

.OVERNIGHT...SE winds 5 kt. Waves less than 1 ft. Rain. Patchy fog.
Vsby 1 to 3 NM.
.WED...N winds 5 to 10 kt. Waves 1 ft. A chance of rain. Patchy fog.
Vsby 1 to 3 NM.
.WED NIGHT...NE winds around 5 kt. Waves 1 ft.
.THU...NE winds around 5 kt. Waves 1 ft.
.THU NIGHT...SE winds around 5 kt. Waves flat.
.FRI...S winds around 5 kt. Waves 1 ft.
.FRI NIGHT...W winds 5 kt. Waves less than 1 ft. Rain likely.
.SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain through the
day.
.SUN...W winds around 5 kt. Waves 1 ft.

$$

ANZ531-192100-
Chesapeake Bay from Pooles Island to Sandy Point-
1258 AM EST Wed Nov 19 2025

.OVERNIGHT...SE winds 10 kt. Waves 1 ft. Rain. Patchy fog. Vsby 1 to
3 NM.
.WED...N winds 5 to 10 kt. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM.
.WED NIGHT...NE winds 5 to 10 kt. Waves 1 ft or less.
.THU...E winds around 5 kt. Waves flat.
.THU NIGHT...SE winds around 5 kt. Waves flat.
.FRI...S winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. Rain likely.
.SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain through the
day.
.SUN...SW winds 5 kt. Waves less than 1 ft.

$$

ANZ538-192100-
Patapsco River including Baltimore Harbor-
1258 AM EST Wed Nov 19 2025

.OVERNIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain. Patchy fog. Vsby
1 to 3 NM.
.WED...N winds 5 to 10 kt. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM.
.WED NIGHT...N winds around 5 kt. Waves flat.
.THU...E winds around 5 kt. Waves flat.
.THU NIGHT...Light winds. Waves flat.
.FRI...S winds around 5 kt. Waves flat.
.FRI NIGHT...W winds around 5 kt. Waves flat. Rain likely.
.SAT...N winds 5 to 10 kt. Waves 1 ft or less. A chance of rain in
the morning.
.SUN...SW winds around 5 kt. Waves flat.

$$

ANZ539-192100-
Chester River to Queenstown MD-
1258 AM EST Wed Nov 19 2025

.OVERNIGHT...SE winds 10 kt. Waves 1 ft. Rain. Patchy fog. Vsby 1 to
3 NM.
.WED...N winds 5 to 10 kt. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 ft or less.
.THU...NE winds around 5 kt. Waves flat.
.THU NIGHT...SE winds around 5 kt. Waves flat.
.FRI...S winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. Rain likely.
.SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain through the
day.
.SUN...SW winds 5 kt. Waves flat.

$$

ANZ532-192100-
Chesapeake Bay from Sandy Point to North Beach-
1258 AM EST Wed Nov 19 2025

.OVERNIGHT...SE winds 10 kt. Waves 2 ft. Rain. Patchy fog. Vsby 1 to
3 NM.
.WED...W winds 5 to 10 kt...becoming N in the late morning and
afternoon. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM.
.WED NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.THU...NE winds around 5 kt. Waves 1 ft or less.
.THU NIGHT...SE winds around 5 kt. Waves flat.
.FRI...S winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. Rain likely.
.SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.SUN...N winds 5 to 10 kt...becoming SW. Waves 1 ft or less.

$$

ANZ540-192100-
Eastern Bay-
1258 AM EST Wed Nov 19 2025

.OVERNIGHT...SE winds 10 kt. Waves 1 ft. Rain. Patchy fog. Vsby 1 to
3 NM.
.WED...SW winds 5 to 10 kt...becoming N in the late morning and
afternoon. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 ft or less.
.THU...NE winds around 5 kt. Waves flat.
.THU NIGHT...SE winds around 5 kt. Waves flat.
.FRI...S winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. Rain likely.
.SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain through the
day.
.SUN...W winds 5 kt. Waves flat.

$$

ANZ533-192100-
Chesapeake Bay from North Beach to Drum Point-
1258 AM EST Wed Nov 19 2025

.OVERNIGHT...S winds 10 kt. Waves 2 ft. Rain. Vsby 1 to 3 NM.
.WED...W winds 5 to 10 kt...becoming N 10 to 15 kt in the afternoon.
Waves 1 to 2 ft.
.WED NIGHT...NE winds 5 to 10 kt. Waves 1 to 2 ft.
.THU...NE winds around 5 kt. Waves 1 ft or less.
.THU NIGHT...SE winds 5 kt. Waves flat.
.FRI...S winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. Rain likely.
.SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain in the
morning.
.SUN...NW winds 5 to 10 kt...becoming SW. Waves 1 ft or less.

$$

ANZ541-192100-
Choptank River to Cambridge MD and the Little Choptank River-
1258 AM EST Wed Nov 19 2025

.OVERNIGHT...SE winds 10 kt. Waves 1 ft. Rain. Vsby 1 to 3 NM.
.WED...SW winds 5 to 10 kt...becoming N in the late morning and
afternoon. Waves 1 ft.
.WED NIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.THU...NE winds around 5 kt. Waves 1 ft or less.
.THU NIGHT...SE winds around 5 kt. Waves flat.
.FRI...S winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. Rain likely.
.SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain in the
morning.
.SUN...N winds 5 to 10 kt...becoming SW. Waves 1 ft or less.

$$

ANZ542-192100-
Patuxent River to Broomes Island MD-
1258 AM EST Wed Nov 19 2025

.OVERNIGHT...S winds 10 to 15 kt. Waves 1 ft. Rain likely. Vsby 1 to
3 NM.
.WED...W winds 5 to 10 kt...becoming N in the afternoon. Waves 1 ft.
.WED NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.THU...NE winds around 5 kt. Waves 1 ft.
.THU NIGHT...SE winds around 5 kt. Waves 1 ft.
.FRI...S winds 5 kt. Waves less than 1 ft.
.FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. Rain likely.
.SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain in the
morning.
.SUN...W winds 5 kt. Waves less than 1 ft.

$$

ANZ534-192100-
Chesapeake Bay from Drum Point to Smith Point-
1258 AM EST Wed Nov 19 2025

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

.OVERNIGHT...S winds 10 kt. Waves 2 ft. Rain. Vsby 1 to 3 NM.
.WED...W winds 10 kt...becoming N in the afternoon. Gusts up to
20 kt. Waves 2 ft.
.WED NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...SE winds around 5 kt. Waves flat.
.FRI...S winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. Rain likely.
.SAT...N winds 10 kt. Waves 1 ft. A chance of rain in the morning.
.SUN...N winds 5 to 10 kt...becoming SW. Waves 1 ft or less.

$$

ANZ543-192100-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1258 AM EST Wed Nov 19 2025

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

.OVERNIGHT...SE winds 10 kt. Waves 1 ft. Rain. Vsby 1 to 3 NM.
.WED...W winds 5 to 10 kt...becoming N in the afternoon. Gusts up to
20 kt. Waves 1 ft.
.WED NIGHT...N winds 10 to 15 kt. Waves 1 ft.
.THU...N winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...E winds around 5 kt. Waves flat.
.FRI...S winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. Rain likely.
.SAT...N winds 5 to 10 kt. Waves 1 ft. A chance of rain in the
morning.
.SUN...N winds 5 to 10 kt...becoming SW. Waves 1 ft or less.

$$