257
FZUS51 KLWX 261734
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
134 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-
134 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 later this afternoon and  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 at  times. Another
round of advisories may be needed for Tuesday as well.

$$

ANZ535-270800-
Tidal Potomac from Key Bridge to Indian Head-
134 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...

.THIS AFTERNOON...W winds 10 to 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 5 kt. Waves less than 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-
134 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...

.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 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.

$$

ANZ537-270800-
Tidal Potomac from Cobb Island to Smith Point-
134 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...

.THIS AFTERNOON...SW winds 10 to 15 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 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...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-
134 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...

.THIS AFTERNOON...SW winds 15 kt with gusts to 25 kt. Waves 2 ft.
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 5 kt. Waves less than 1 ft.
.MON NIGHT...S winds 5 kt. Waves less than 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-
134 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...

.THIS AFTERNOON...SW winds 15 kt with gusts to 25 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.
.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...NW 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.
.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-
134 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...

.THIS AFTERNOON...W winds 10 to 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 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-
134 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...

.THIS AFTERNOON...SW winds 10 to 15 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.
.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 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-
134 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...

.THIS AFTERNOON...SW winds 10 to 15 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.
.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...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-
134 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...

.THIS AFTERNOON...SW winds 10 to 15 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 2 to 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-
134 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...

.THIS AFTERNOON...SW winds 15 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...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 in the afternoon.

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

$$

ANZ541-270800-
Choptank River to Cambridge MD and the Little Choptank River-
134 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...

.THIS AFTERNOON...SW winds 15 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-
134 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...

.THIS AFTERNOON...SW 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-
134 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...

.THIS AFTERNOON...SW winds 15 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 3 ft...building
to 5 ft after midnight. 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 3 ft...subsiding to 1 ft after midnight.
.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-
134 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...

.THIS AFTERNOON...SW winds 15 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 2 to 3 ft. Showers and scattered tstms. Vsby 1 NM or less.
.SUN...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 to 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.

$$