014
FZUS51 KLWX 191157
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
757 AM EDT Sun Jul 19 2026

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.

ANZ500-192000-
757 AM EDT Sun Jul 19 2026

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

A cold front will drop through the region today, then stall to the
south as high pressure passes to the north tonight into Monday.  The
front will return back northward Monday night into Tuesday,
followed by another cold front Tuesday night into Wednesday. Small
Craft Advisories may be needed for portions of the waters  Monday
night, and will be likely Tuesday through Wednesday.

$$

ANZ535-192000-
Tidal Potomac from Key Bridge to Indian Head-
757 AM EDT Sun Jul 19 2026

.TODAY...NW winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...NE winds around 5 kt. Waves 1 ft.
.MON...E winds around 5 kt. Waves 1 ft.
.MON NIGHT...SE winds 5 kt. Waves less than 1 ft. A chance of
showers.
.TUE...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves
1 ft. Showers with a chance of tstms.
.TUE NIGHT...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
Showers with a chance of tstms.
.WED...W winds 5 to 10 kt...becoming N after midnight. Waves 1 ft.
Showers likely. A chance of tstms through the night, then a chance
of showers after midnight.
.THU...N winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ536-192000-
Tidal Potomac from Indian Head to Cobb Island-
757 AM EDT Sun Jul 19 2026

.TODAY...NW winds 5 to 10 kt. Waves 1 ft.
.TONIGHT...NE winds around 5 kt. Waves 1 ft.
.MON...E winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.TUE...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves
1 ft. Showers with a chance of tstms.
.TUE NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers with a chance of tstms.
.WED...W winds 10 to 15 kt...becoming NW 5 to 10 kt. Waves 1 ft. A
chance of showers in the morning, then showers likely with a chance
of tstms through the night. A chance of showers after midnight.
.THU...N winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ537-192000-
Tidal Potomac from Cobb Island to Smith Point-
757 AM EDT Sun Jul 19 2026

.TODAY...NW winds 10 kt...becoming N late. Waves 1 ft.
.TONIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...E winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SE winds 5 to 10 kt. Waves 1 to 2 ft. Showers likely
with a chance of tstms.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Showers with a chance of tstms.
.TUE NIGHT...SW winds 15 to 20 kt. Waves 2 ft. Showers with a chance
of tstms.
.WED...SW winds 10 to 15 kt...becoming NW 5 to 10 kt. Waves 1 to
2 ft. Showers through the day. A chance of tstms through the night.
A chance of showers through the night.
.THU...N winds 5 to 10 kt. Waves 1 to 2 ft.

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

$$

ANZ530-192000-
Chesapeake Bay north of Pooles Island-
757 AM EDT Sun Jul 19 2026

.TODAY...NW winds 10 kt. Waves 1 ft.
.TONIGHT...N winds 5 to 10 kt. Waves 1 ft.
.MON...E winds 5 to 10 kt until late afternoon...becoming light.
Waves 1 ft or less.
.MON NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.TUE...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Showers
with a chance of tstms.
.TUE NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers with a chance of tstms.
.WED...W winds 10 to 15 kt...becoming NW 5 to 10 kt. Waves 1 ft.
Showers likely in the morning, then a chance of tstms through the
night. A chance of showers.
.THU...N winds 5 to 10 kt. Waves 1 ft or less.

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

$$

ANZ531-192000-
Chesapeake Bay from Pooles Island to Sandy Point-
757 AM EDT Sun Jul 19 2026

.TODAY...N winds 10 kt. Waves 1 ft.
.TONIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...E winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SE winds 10 to 15 kt. Waves 1 ft. A chance of showers.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Showers with a chance of tstms.
.TUE NIGHT...SW winds 15 to 20 kt. Waves 2 ft. Showers with a chance
of tstms.
.WED...W winds 10 to 15 kt...becoming NW. Waves 1 to 2 ft. Showers
likely in the morning, then a chance of tstms through the night. A
chance of showers.
.THU...N winds 5 to 10 kt. Waves 1 to 2 ft.

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

$$

ANZ538-192000-
Patapsco River including Baltimore Harbor-
757 AM EDT Sun Jul 19 2026

.TODAY...NW winds 10 kt. Waves 1 ft.
.TONIGHT...NE winds 5 to 10 kt. Waves 1 ft or less.
.MON...E winds 5 kt. Waves less than 1 ft.
.MON NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.TUE...S winds 5 to 10 kt. Waves 1 ft. Showers with a chance of
tstms.
.TUE NIGHT...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. Showers
with a chance of tstms.
.WED...NW winds 5 to 10 kt. Waves 1 ft. Showers likely in the
morning, then a chance of tstms through the night. A chance of
showers.
.THU...N winds 5 to 10 kt. Waves 1 ft or less.

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

$$

ANZ539-192000-
Chester River to Queenstown MD-
757 AM EDT Sun Jul 19 2026

.TODAY...N winds 10 kt. Waves 1 to 2 ft.
.TONIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...E winds around 5 kt. Waves 1 ft or less.
.MON NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.TUE...S winds 10 kt. Waves 1 ft. Showers with a chance of tstms.
.TUE NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
Showers with a chance of tstms.
.WED...W winds 10 to 15 kt...becoming NW 5 to 10 kt. Waves 1 to
2 ft. Showers likely. A chance of tstms through the night, then a
chance of showers after midnight.
.THU...N winds 5 to 10 kt. Waves 1 ft or less.

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

$$

ANZ532-192000-
Chesapeake Bay from Sandy Point to North Beach-
757 AM EDT Sun Jul 19 2026

.TODAY...N winds 10 kt. Waves 1 ft.
.TONIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...E winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SE winds 10 to 15 kt. Waves 2 ft. Showers likely.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers
with a chance of tstms.
.TUE NIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft. Showers with a chance of tstms.
.WED...W winds 10 to 15 kt...becoming NW. Waves 1 to 2 ft. A chance
of showers in the morning, then showers likely with a chance of
tstms through the night. A chance of showers after midnight.
.THU...N winds 10 to 15 kt...becoming NE 5 kt after midnight. Waves
1 to 2 ft.

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

$$

ANZ540-192000-
Eastern Bay-
757 AM EDT Sun Jul 19 2026

.TODAY...N winds 10 kt. Waves 1 ft.
.TONIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...E winds 5 to 10 kt. Waves 1 ft or less.
.MON NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Showers likely.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers
with a chance of tstms.
.TUE NIGHT...SW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Showers with a chance of tstms.
.WED...W winds 10 to 15 kt...becoming NW 5 to 10 kt. Waves 1 to
2 ft. Showers likely. A chance of tstms through the night, then a
chance of showers after midnight.
.THU...N winds 5 to 10 kt. Waves 1 ft or less.

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

$$

ANZ533-192000-
Chesapeake Bay from North Beach to Drum Point-
757 AM EDT Sun Jul 19 2026

.TODAY...N winds 10 kt. Waves 1 ft.
.TONIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...E winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SE winds 10 to 15 kt. Waves 2 ft. Showers likely.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Showers with a chance of tstms.
.TUE NIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft. Showers with a chance of tstms.
.WED...W winds 10 to 15 kt...becoming NW. Waves 1 to 2 ft. Showers
likely. A chance of tstms through the night, then a chance of
showers after midnight.
.THU...N winds 10 to 15 kt...becoming NE 5 kt after midnight. Waves
1 to 2 ft.

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

$$

ANZ541-192000-
Choptank River to Cambridge MD and the Little Choptank River-
757 AM EDT Sun Jul 19 2026

.TODAY...N winds 10 kt. Waves 1 ft.
.TONIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...NE winds 5 to 10 kt...becoming S late. Waves 1 ft or less.
.MON NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Showers likely.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
Showers with a chance of tstms.
.TUE NIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
Showers with a chance of tstms.
.WED...W winds 10 to 15 kt...becoming NW. Waves 1 to 2 ft. A chance
of showers in the morning, then showers likely with a chance of
tstms through the night. A chance of showers after midnight.
.THU...N winds 10 to 15 kt...becoming NE 5 kt. Waves 1 ft.

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

$$

ANZ542-192000-
Patuxent River to Broomes Island MD-
757 AM EDT Sun Jul 19 2026

.TODAY...NW winds 5 to 10 kt...becoming NE late. Waves 1 ft.
.TONIGHT...NE winds around 5 kt. Waves 1 ft.
.MON...E winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Showers likely.
.TUE...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Showers
with a chance of tstms.
.TUE NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Showers with a chance of tstms.
.WED...SW winds 10 to 15 kt...becoming NW 5 to 10 kt. Waves 1 ft.
Showers. A chance of tstms through the night, then a chance of
showers after midnight.
.THU...N winds 5 to 10 kt. Waves 1 ft.

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

$$

ANZ534-192000-
Chesapeake Bay from Drum Point to Smith Point-
757 AM EDT Sun Jul 19 2026

.TODAY...NW winds 10 kt...becoming N late. Waves 1 to 2 ft.
.TONIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...E winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SE winds 10 to 15 kt. Waves 2 ft. Showers likely with a
chance of tstms.
.TUE...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft.
Showers with a chance of tstms.
.TUE NIGHT...SW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
Showers with a chance of tstms.
.WED...W winds 15 to 20 kt...becoming N 10 to 15 kt after midnight.
Waves 3 ft...subsiding to 2 ft. Showers. A chance of tstms through
the night, then a chance of showers after midnight.
.THU...N winds 10 to 15 kt. Waves 1 to 2 ft.

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

$$

ANZ543-192000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
757 AM EDT Sun Jul 19 2026

.TODAY...NW winds 10 kt. Waves 1 ft.
.TONIGHT...NE winds 5 to 10 kt. Waves 1 ft.
.MON...E winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SE winds 10 kt. Waves 1 ft. Showers likely with a
chance of tstms.
.TUE...S winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft.
Showers with a chance of tstms.
.TUE NIGHT...SW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
Showers with a chance of tstms.
.WED...SW winds 20 to 25 kt...becoming W 10 to 15 kt in the evening,
then becoming N after midnight. Waves 2 to 3 ft...subsiding to 1 ft
after midnight. A chance of tstms. Showers.
.THU...N winds 10 to 15 kt. Waves 1 ft.

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

$$