059
FZUS51 KLWX 262034
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
434 PM EDT Sat Apr 26 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.

ANZ500-270800-
434 PM EDT Sat Apr 26 2025

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

As low pressure moves through interior New England, a cold  front
will track through the waters this evening. Strong Canadian  high
pressure settles over the area on Sunday into Monday. A warm  front
tracks across the waters by Tuesday ahead of the next frontal
system. A cold front nears the area on Wednesday before meandering
nearby. Small Craft Advisories are likely needed on Sunday, with
low- end gale conditions possible in the morning. Another round of
advisories may be needed for Tuesday as well.

$$

ANZ535-270800-
Tidal Potomac from Key Bridge to Indian Head-
434 PM EDT Sat Apr 26 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH LATE
TONIGHT...

.REST OF THIS AFTERNOON...NW winds 15 kt with gusts to 25 kt. Waves
1 ft. Numerous showers and scattered tstms. Vsby 1 NM or less.
.TONIGHT...NW winds 15 to 20 kt with gusts to 35 kt. Waves 2 ft.
.SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 1 ft.
.SUN NIGHT...NW winds 10 to 15 kt with gusts to 25 kt...diminishing
to 5 kt after midnight. Waves 1 ft.
.MON...W winds around 5 kt. Waves 1 ft.
.MON NIGHT...S winds around 5 kt. Waves 1 ft.
.TUE...SW winds 5 to 10 kt. Waves 1 ft.
.WED...N winds around 5 kt. Waves 1 ft.

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

$$

ANZ536-270800-
Tidal Potomac from Indian Head to Cobb Island-
434 PM EDT Sat Apr 26 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH LATE
TONIGHT...

.REST OF THIS AFTERNOON...W winds 10 kt with gusts to 20 kt. Waves
1 ft. Numerous showers and scattered tstms. Vsby 1 NM or less.
.TONIGHT...NW winds 15 to 20 kt with gusts to 35 kt. Waves 3 ft.
.SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 to 3 ft.
.SUN NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 ft.
.MON...W winds around 5 kt. Waves 1 ft.
.MON NIGHT...S winds around 5 kt. Waves 1 ft.
.TUE...SW winds 5 to 10 kt. Waves 1 ft.
.WED...NW winds 5 to 10 kt...becoming E. Waves 1 ft. A chance of
showers.

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

$$

ANZ537-270800-
Tidal Potomac from Cobb Island to Smith Point-
434 PM EDT Sat Apr 26 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH LATE
TONIGHT...

.REST OF THIS AFTERNOON...W winds 10 kt with gusts to 20 kt. Waves
2 ft. Showers and scattered tstms. Vsby 1 NM or less.
.TONIGHT...NW winds 15 to 20 kt. Gusts up to 25 kt... increasing to
35 kt in the late evening and overnight. Waves 4 ft. Showers and
scattered tstms. Vsby 1 NM or less.
.SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.SUN NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.MON...NE winds around 5 kt. Waves 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds 10 to 15 kt. Waves 1 to 2 ft.
.WED...NW winds 5 to 10 kt...becoming E. Waves 1 ft. A chance of
showers.

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

$$

ANZ530-270800-
Chesapeake Bay north of Pooles Island-
434 PM EDT Sat Apr 26 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH LATE
TONIGHT...

.REST OF THIS AFTERNOON...W winds 15 kt with gusts to 25 kt. Waves
2 ft. Numerous showers and scattered tstms. Vsby 1 NM or less.
.TONIGHT...NW winds 15 to 20 kt with gusts to 35 kt. Waves 2 ft.
.SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft.
.SUN NIGHT...NW winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 1 to 2 ft.
.MON...NW winds around 5 kt. Waves 1 ft.
.MON NIGHT...S winds around 5 kt. Waves 1 ft.
.TUE...SW winds 10 to 15 kt. Waves 1 ft.
.WED...NW winds 5 to 10 kt...becoming NE after midnight. Waves 1 ft.


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

$$

ANZ531-270800-
Chesapeake Bay from Pooles Island to Sandy Point-
434 PM EDT Sat Apr 26 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH LATE
TONIGHT...

.REST OF THIS AFTERNOON...W winds 15 kt with gusts to 25 kt. Waves
2 ft. Numerous showers and scattered tstms. Vsby 1 NM or less.
.TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
.SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.SUN NIGHT...NW winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 3 ft...subsiding to 1 ft after midnight.
.MON...N winds 5 to 10 kt...becoming SW in the afternoon. Waves 1 ft
or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft or less.
.TUE...SW winds 10 to 15 kt. Waves 1 to 2 ft.
.WED...NW winds 5 to 10 kt...becoming NE. Waves 1 ft or less.

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

$$

ANZ538-270800-
Patapsco River including Baltimore Harbor-
434 PM EDT Sat Apr 26 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH LATE
TONIGHT...

.REST OF THIS AFTERNOON...W winds 15 kt with gusts to 25 kt. Waves
1 ft. Numerous showers and scattered tstms.
.TONIGHT...NW winds 15 to 20 kt with gusts to 35 kt. Waves 2 ft.
.SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft.
.SUN NIGHT...NW winds 10 to 15 kt with gusts to 25 kt...diminishing
to 5 kt after midnight. Waves 1 to 2 ft.
.MON...W winds around 5 kt. Waves flat.
.MON NIGHT...S winds 5 kt. Waves flat.
.TUE...SW winds 5 to 10 kt. Waves 1 ft.
.WED...N winds 5 kt. Waves less than 1 ft.

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

$$

ANZ539-270800-
Chester River to Queenstown MD-
434 PM EDT Sat Apr 26 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH LATE
TONIGHT...

.REST OF THIS AFTERNOON...W winds 10 kt with gusts to 20 kt. Waves
2 ft. Showers and scattered tstms. Vsby 1 NM or less.
.TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
.SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.SUN NIGHT...NW winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 3 ft...subsiding to 1 ft after midnight.
.MON...N winds 5 to 10 kt...becoming SW in the afternoon. Waves 1 ft
or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft or less.
.TUE...S winds 10 to 15 kt. Waves 1 to 2 ft.
.WED...NW winds 5 to 10 kt...becoming NE. Waves 1 ft or less.

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

$$

ANZ532-270800-
Chesapeake Bay from Sandy Point to North Beach-
434 PM EDT Sat Apr 26 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH LATE
TONIGHT...

.REST OF THIS AFTERNOON...W winds 10 kt with gusts to 20 kt. Waves
2 ft. Showers and scattered tstms. Vsby 1 NM or less.
.TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
.SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.SUN NIGHT...NW winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 3 ft...subsiding to 1 ft after midnight.
.MON...N winds 5 to 10 kt...becoming SE in the afternoon. Waves 1 ft
or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...SW winds 10 to 15 kt. Waves 1 to 2 ft.
.WED...NW winds 5 to 10 kt...becoming E. Waves 1 ft.

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

$$

ANZ540-270800-
Eastern Bay-
434 PM EDT Sat Apr 26 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH LATE
TONIGHT...

.REST OF THIS AFTERNOON...W winds 10 kt with gusts to 20 kt. Waves
2 ft. Showers and scattered tstms. Vsby 1 NM or less.
.TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft.
Scattered showers.
.SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.SUN NIGHT...N winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 1 to 2 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft or less.
.TUE...S winds 10 to 15 kt. Waves 1 ft.
.WED...NW winds 5 to 10 kt...becoming E. Waves 1 ft or less.

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

$$

ANZ533-270800-
Chesapeake Bay from North Beach to Drum Point-
434 PM EDT Sat Apr 26 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH LATE
TONIGHT...

.REST OF THIS AFTERNOON...W winds 10 kt with gusts to 20 kt. Waves
2 ft. Showers and scattered tstms. Vsby 1 NM or less.
.TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
Scattered showers. Vsby 1 NM or less.
.SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 4 ft.
.SUN NIGHT...NW winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 2 to 3 ft.
.MON...NE winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt. Waves 1 to 2 ft.
.WED...NW winds 5 to 10 kt...becoming E. Waves 1 ft. A chance of
showers through the day.

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

$$

ANZ541-270800-
Choptank River to Cambridge MD and the Little Choptank River-
434 PM EDT Sat Apr 26 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH LATE
TONIGHT...

.REST OF THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves
2 ft. Showers and scattered tstms. Vsby 1 NM or less.
.TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft.
Scattered showers. Vsby 1 NM or less.
.SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.SUN NIGHT...NW winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 1 to 2 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft or less.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt. Waves 1 to 2 ft.
.WED...NW winds 5 to 10 kt...becoming E. Waves 1 ft or less.

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

$$

ANZ542-270800-
Patuxent River to Broomes Island MD-
434 PM EDT Sat Apr 26 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH LATE
TONIGHT...

.REST OF THIS AFTERNOON...W winds 10 kt with gusts to 20 kt. Waves
1 ft. Showers and scattered tstms. Vsby 1 NM or less.
.TONIGHT...NW winds 15 to 20 kt. Gusts up to 25 kt... increasing to
35 kt in the late evening and overnight. Waves 2 ft. Numerous
showers and scattered tstms. Vsby 1 NM or less.
.SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 1 ft.
.SUN NIGHT...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.MON...NE winds 5 kt. Waves less than 1 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...SW winds 5 to 10 kt. Waves 1 ft.
.WED...NW winds 5 to 10 kt...becoming E. Waves 1 ft. A chance of
showers.

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

$$

ANZ534-270800-
Chesapeake Bay from Drum Point to Smith Point-
434 PM EDT Sat Apr 26 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH LATE
TONIGHT...

.REST OF THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves
2 ft. Numerous showers and scattered tstms. Vsby 1 NM or less.
.TONIGHT...NW winds 10 to 15 kt...increasing to 20 to 25 kt in the
late evening and overnight. Gusts up to 35 kt. Waves 4 ft. Showers
and scattered tstms. Vsby 1 NM or less.
.SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 4 ft.
.SUN NIGHT...NW winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 2 to 3 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt. Waves 2 ft.
.WED...W winds 10 to 15 kt...becoming SE 5 to 10 kt. Waves 1 to
2 ft. A chance of showers.

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

$$

ANZ543-270800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
434 PM EDT Sat Apr 26 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH LATE
TONIGHT...

.REST OF THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves
2 ft. Numerous showers and scattered tstms. Vsby 1 NM or less.
.TONIGHT...NW winds 10 to 15 kt with gusts to 25 kt... increasing to
20 to 25 kt with gusts to 35 kt in the late evening and overnight.
Waves 3 ft. Showers and scattered tstms. Vsby 1 NM or less.
.SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.SUN NIGHT...N winds 10 to 15 kt. Gusts up to 25 kt in the evening.
Waves 1 to 2 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt. Waves 1 to 2 ft.
.WED...W winds 10 to 15 kt...becoming SE 5 to 10 kt. Waves 1 ft. A
chance of showers.

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

$$