423
FZUS51 KLWX 152058
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
358 PM EST Sat Nov 15 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.

ANZ500-160900-
358 PM EST Sat Nov 15 2025

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

A warm front will cross the region today, then the attendant cold
front will move through Sunday morning. A secondary cold front will
track through by Monday. Another wave of low pressure may approach
Tuesday into Wednesday. Small Craft Advisories will likely be needed
 through Monday night.

$$

ANZ535-160900-
Tidal Potomac from Key Bridge to Indian Head-
358 PM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
AFTERNOON...

.REST OF THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft.
.TONIGHT...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
Scattered showers.
.SUN...NW winds 15 to 20 kt. Gusts up to 35 kt. Waves 2 ft.
.SUN NIGHT...W winds 10 to 15 kt. Gusts up to 30 kt... diminishing
to 20 kt after midnight. Waves 1 ft.
.MON...W winds 10 to 15 kt with gusts to 30 kt. Waves 1 ft.
.MON NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the evening.
Waves 1 ft.
.TUE...S winds around 5 kt. Waves 1 ft. A chance of rain through the
night.
.WED...NE winds around 5 kt. Waves 1 ft.

$$

ANZ536-160900-
Tidal Potomac from Indian Head to Cobb Island-
358 PM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
AFTERNOON...

.REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft.
.TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SUN...NW winds 15 to 20 kt with gusts to 35 kt. Waves 3 ft.
.SUN NIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 to
3 ft.
.MON...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.MON NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds around 5 kt. Waves 1 ft. A chance of rain through the
night.
.WED...NE winds around 5 kt. Waves 1 ft.

$$

ANZ537-160900-
Tidal Potomac from Cobb Island to Smith Point-
358 PM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft.
.TONIGHT...SW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.SUN...NW winds 15 to 20 kt. Gusts up to 30 kt... increasing to
35 kt late. Waves 3 ft.
.SUN NIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.MON...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.TUE...W winds 5 to 10 kt...becoming SE. Waves 1 ft. A chance of
rain through the night.
.WED...NE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ530-160900-
Chesapeake Bay north of Pooles Island-
358 PM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft.
.TONIGHT...SW winds 10 to 15 kt...becoming W late. Gusts up to
20 kt. Waves 1 ft. Scattered showers.
.SUN...NW winds 20 to 25 kt with gusts to 35 kt. Waves 2 to 3 ft.
.SUN NIGHT...W winds 20 to 25 kt with gusts to 35 kt. Waves 2 to
3 ft.
.MON...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.MON NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.TUE...W winds 5 to 10 kt...becoming E after midnight. Waves 1 ft or
less. A chance of rain through the night.
.WED...N winds around 5 kt. Waves flat.

$$

ANZ531-160900-
Chesapeake Bay from Pooles Island to Sandy Point-
358 PM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft.
.TONIGHT...SW winds 10 to 15 kt...becoming W late. Gusts up to
20 kt. Waves 2 ft. Scattered showers.
.SUN...NW winds 20 to 25 kt with gusts to 40 kt. Waves 4 ft.
.SUN NIGHT...W winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft.
.MON...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.TUE...W winds 5 to 10 kt...becoming E after midnight. Waves 1 ft. A
chance of rain through the night.
.WED...NE winds 5 to 10 kt. Waves 1 ft or less.

$$

ANZ538-160900-
Patapsco River including Baltimore Harbor-
358 PM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
AFTERNOON...

.REST OF THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft.
.TONIGHT...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
Scattered showers.
.SUN...NW winds 15 to 20 kt with gusts to 35 kt. Waves 2 ft.
.SUN NIGHT...W winds 15 to 20 kt with gusts to 35 kt. Waves 2 ft.
.MON...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.TUE...SW winds around 5 kt. Waves 1 ft or less. A chance of rain
through the night.
.WED...NE winds around 5 kt. Waves flat.

$$

ANZ539-160900-
Chester River to Queenstown MD-
358 PM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft.
.TONIGHT...SW winds 10 to 15 kt...becoming W late. Gusts up to
20 kt. Waves 2 ft. Scattered showers.
.SUN...NW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
.SUN NIGHT...W winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
.MON...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 to
3 ft.
.TUE...W winds 5 to 10 kt...becoming E after midnight. Waves 1 ft or
less. A chance of rain through the night.
.WED...NE winds 5 kt. Waves less than 1 ft.

$$

ANZ532-160900-
Chesapeake Bay from Sandy Point to North Beach-
358 PM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft.
.TONIGHT...SW winds 10 to 15 kt...becoming W late. Gusts up to
20 kt. Waves 2 ft. Scattered showers.
.SUN...NW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
.SUN NIGHT...W winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft.
.MON...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.TUE...SW winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft.
A chance of rain through the night.
.WED...NE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ540-160900-
Eastern Bay-
358 PM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft.
.TONIGHT...SW winds 10 to 15 kt...becoming W late. Gusts up to
20 kt. Waves 2 ft. Scattered showers.
.SUN...NW winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft.
.SUN NIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft.
.MON...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.MON NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft.
.TUE...W winds 5 to 10 kt...becoming SE. Waves 1 ft. A chance of
rain through the night.
.WED...NE winds 5 to 10 kt. Waves 1 ft or less.

$$

ANZ533-160900-
Chesapeake Bay from North Beach to Drum Point-
358 PM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft.
.TONIGHT...SW winds 10 to 15 kt...becoming W late. Gusts up to
25 kt. Waves 2 ft. Scattered showers.
.SUN...NW winds 20 to 25 kt. Gusts up to 30 kt... increasing to
35 kt in the afternoon. Waves 4 ft.
.SUN NIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
.MON...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to
3 ft.
.TUE...W winds 5 to 10 kt...becoming SE. Waves 1 ft. A chance of
rain through the night.
.WED...NE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ541-160900-
Choptank River to Cambridge MD and the Little Choptank River-
358 PM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...

.REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft.
.TONIGHT...SW winds 10 to 15 kt...increasing to 15 to 20 kt late.
Gusts up to 25 kt. Waves 2 ft. Scattered showers.
.SUN...NW winds 20 to 25 kt. Gusts up to 30 kt... increasing to
35 kt in the afternoon. Waves 3 ft.
.SUN NIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft.
.MON...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.TUE...W winds 5 to 10 kt...becoming SE. Waves 1 ft. A chance of
rain through the night.
.WED...NE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ542-160900-
Patuxent River to Broomes Island MD-
358 PM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
AFTERNOON...

.REST OF THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft.
.TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Scattered showers.
.SUN...NW winds 15 to 20 kt with gusts to 35 kt. Waves 2 ft.
.SUN NIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 1 to
2 ft.
.MON...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
.MON NIGHT...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.TUE...SW winds 5 kt. Waves less than 1 ft. A chance of rain through
the night.
.WED...NE winds 5 kt. Waves less than 1 ft.

$$

ANZ534-160900-
Chesapeake Bay from Drum Point to Smith Point-
358 PM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY
NIGHT...

.REST OF THIS AFTERNOON...S winds 10 kt. Waves 2 ft.
.TONIGHT...SW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
Scattered showers.
.SUN...NW winds 20 to 25 kt. Gusts up to 30 kt... increasing to
35 kt in the afternoon. Waves 4 ft.
.SUN NIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 5 ft.
.MON...NW winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft.
.MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.TUE...W winds 5 to 10 kt...becoming S. Waves 1 to 2 ft. A chance of
rain through the night.
.WED...NE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ543-160900-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
358 PM EST Sat Nov 15 2025

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...
...GALE WARNING IN EFFECT FROM SUNDAY MORNING THROUGH LATE SUNDAY
NIGHT...

.REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft.
.TONIGHT...SW winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft.
Scattered showers.
.SUN...NW winds 20 to 25 kt. Gusts up to 30 kt... increasing to
35 kt in the afternoon. Waves 3 ft.
.SUN NIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft.
.MON...NW winds 20 to 25 kt with gusts to 30 kt. Waves 2 to 3 ft.
.MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.TUE...W winds 5 to 10 kt...becoming S. Waves 1 ft. A chance of rain
through the night.
.WED...NE winds 5 to 10 kt. Waves 1 ft.

$$