Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 201435
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1035 AM EDT Sat Apr 20 2024

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.

ANZ500-202000-
1035 AM EDT Sat Apr 20 2024

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

A cold front will pass through the region this morning. High
pressure gradually pushes in from the west over the weekend while
low pressure passes well to the south. The high will move overhead
Monday and Tuesday. A cold front will approach Wednesday. Small
Craft Advisories may be needed Sunday night and Tuesday through
Wednesday.

$$

ANZ535-202000-
Tidal Potomac from Key Bridge to Indian Head-
1035 AM EDT Sat Apr 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...NW winds 5 to 10 kt. Gusts up to 25 kt this
afternoon. Waves 1 ft.
.TONIGHT...NW winds 10 to 15 kt with gusts to 25 kt... becoming N
5 kt late. Waves 1 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...NW winds 5 kt. Waves less than 1 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...E winds around 5 kt. Waves 1 ft.
.TUE...S winds 5 to 10 kt...increasing to 10 to 15 kt. Waves 1 to
2 ft.
.WED...SW winds 10 to 15 kt...becoming NW. Waves 1 ft. A chance of
showers.

$$

ANZ536-202000-
Tidal Potomac from Indian Head to Cobb Island-
1035 AM EDT Sat Apr 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...NW winds 5 to 10 kt. Gusts up to 20 kt this
afternoon. Waves 1 ft.
.TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt... becoming N
5 to 10 kt with gusts to 20 kt after midnight. Waves 1 ft.
.SUN...NW winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...NW winds 5 kt. Waves less than 1 ft.
.MON...NW winds 5 kt. Waves less than 1 ft.
.MON NIGHT...SE winds around 5 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt. Waves 1 to 2 ft.
.WED...W winds 10 to 15 kt...becoming NW. Waves 1 to 2 ft. A chance
of showers through the night.

$$

ANZ537-202000-
Tidal Potomac from Cobb Island to Smith Point-
1035 AM EDT Sat Apr 20 2024

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

.REST OF TODAY...NW winds 10 kt. Waves 1 ft.
.TONIGHT...NW winds 10 to 15 kt...becoming N late. Gusts up to
20 kt. Waves 1 to 2 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 to 2 ft.
.SUN NIGHT...W winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.MON...N winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 5 kt...increasing to 10 to 15 kt. Waves 1 to 2 ft.
.WED...SW winds 10 to 15 kt...becoming NW. Waves 2 ft.

$$

ANZ530-202000-
Chesapeake Bay north of Pooles Island-
1035 AM EDT Sat Apr 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...NW winds 10 to 15 kt. Gusts up to 25 kt this
afternoon. Waves 1 to 2 ft.
.TONIGHT...NW winds 15 to 20 kt with gusts to 25 kt... becoming N
5 to 10 kt late. Waves 2 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...E winds around 5 kt. Waves 1 ft or less.
.TUE...S winds 10 to 15 kt. Waves 1 to 2 ft.
.WED...SW winds 10 to 15 kt...becoming NW. Waves 1 to 2 ft. A chance
of showers.

$$

ANZ531-202000-
Chesapeake Bay from Pooles Island to Sandy Point-
1035 AM EDT Sat Apr 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...NW winds 10 to 15 kt. Gusts up to 25 kt this
afternoon. Waves 1 to 2 ft.
.TONIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...NW winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SW winds 5 kt. Waves less than 1 ft.
.TUE...S winds 10 to 15 kt. Waves 1 to 2 ft...building to 3 ft.
.WED...SW winds 10 to 15 kt...becoming NW after midnight. Waves
2 ft. A chance of showers.

$$

ANZ538-202000-
Patapsco River including Baltimore Harbor-
1035 AM EDT Sat Apr 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...NW winds 5 to 10 kt with gusts to 20 kt...becoming
W 15 kt with gusts to 25 kt late. Waves 1 ft.
.TONIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt until early
morning. Waves 1 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft or less.
.SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SW winds around 5 kt. Waves 1 ft or less.
.TUE...S winds 10 to 15 kt. Waves 1 to 2 ft.
.WED...SW winds 10 to 15 kt...becoming NW. Waves 1 to 2 ft. A chance
of showers.

$$

ANZ539-202000-
Chester River to Queenstown MD-
1035 AM EDT Sat Apr 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...NW winds 10 kt. Gusts up to 20 kt this afternoon.
Waves 1 to 2 ft.
.TONIGHT...NW winds 15 to 20 kt...becoming N 10 to 15 kt late. Gusts
up to 25 kt until early morning. Waves 3 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...NW winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SW winds 5 kt. Waves less than 1 ft.
.TUE...S winds 10 to 15 kt. Waves 1 to 2 ft.
.WED...SW winds 15 kt...becoming NW. Waves 2 to 3 ft. A chance of
showers.

$$

ANZ532-202000-
Chesapeake Bay from Sandy Point to North Beach-
1035 AM EDT Sat Apr 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...NW winds 10 kt. Gusts up to 20 kt this afternoon.
Waves 1 to 2 ft.
.TONIGHT...NW winds 15 to 20 kt...becoming N 10 to 15 kt late. Gusts
up to 25 kt. Waves 3 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 10 to 15 kt. Waves 1 to 2 ft...building to 3 ft.
.WED...SW winds 15 kt...becoming NW. Waves 2 to 3 ft. A chance of
showers.

$$

ANZ540-202000-
Eastern Bay-
1035 AM EDT Sat Apr 20 2024

...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT...

.REST OF TODAY...NW winds 10 kt. Gusts up to 20 kt this afternoon.
Waves 1 ft.
.TONIGHT...NW winds 10 to 15 kt...becoming N after midnight. Gusts
up to 25 kt until early morning. Waves 2 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...SW winds 5 kt. Waves less than 1 ft.
.TUE...S winds 10 to 15 kt. Waves 1 to 2 ft.
.WED...SW winds 15 kt...becoming NW. Waves 2 ft. A chance of
showers.

$$

ANZ533-202000-
Chesapeake Bay from North Beach to Drum Point-
1035 AM EDT Sat Apr 20 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...

.REST OF TODAY...NW winds 10 kt. Gusts up to 20 kt this afternoon.
Waves 1 ft.
.TONIGHT...NW winds 10 kt...becoming N 15 to 20 kt in the late
evening and overnight. Gusts up to 25 kt. Waves 3 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 to 2 ft.
.SUN NIGHT...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 to
2 ft.
.MON...N winds 5 to 10 kt. Waves 1 to 2 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 10 to 15 kt. Waves 1 to 2 ft...building to 3 ft.
.WED...SW winds 15 kt...becoming NW. Waves 2 ft. A chance of showers
through the night.

$$

ANZ541-202000-
Choptank River to Cambridge MD and the Little Choptank River-
1035 AM EDT Sat Apr 20 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...

.REST OF TODAY...NW winds 10 kt with gusts to 20 kt. Waves 1 ft.
.TONIGHT...NW winds 10 to 15 kt...becoming N 15 to 20 kt after
midnight. Gusts up to 25 kt. Waves 2 ft.
.SUN...N winds 5 to 10 kt...becoming W late. Waves 1 ft.
.SUN NIGHT...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 to
2 ft.
.MON...NW winds 5 to 10 kt. Waves 1 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 10 to 15 kt. Waves 1 to 2 ft.
.WED...SW winds 15 kt...becoming NW. Waves 2 ft. A chance of showers
through the night.

$$

ANZ542-202000-
Patuxent River to Broomes Island MD-
1035 AM EDT Sat Apr 20 2024

...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...

.REST OF TODAY...NW winds 5 to 10 kt. Gusts up to 20 kt this
afternoon. Waves 1 ft.
.TONIGHT...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.SUN...NW winds 5 kt. Waves less than 1 ft.
.SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.MON...N winds 5 kt. Waves less than 1 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 5 to 10 kt...increasing to 15 kt. Waves 1 ft.
.WED...SW winds 15 kt...becoming NW. Waves 1 ft.

$$

ANZ534-202000-
Chesapeake Bay from Drum Point to Smith Point-
1035 AM EDT Sat Apr 20 2024

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

.REST OF TODAY...NW winds 10 kt. Waves 1 to 2 ft. Isolated showers
late this morning.
.TONIGHT...SW winds 5 to 10 kt...becoming NW 10 to 15 kt late in the
evening, then becoming N after midnight. Gusts up to 20 kt. Waves
2 to 3 ft.
.SUN...N winds 10 to 15 kt...becoming NW 5 kt late. Waves 1 to 2 ft.
.SUN NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt. Waves 1 to
2 ft.
.MON...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.MON NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.TUE...S winds 10 to 15 kt. Waves 1 to 2 ft...building to 3 ft.
.WED...SW winds 15 kt...becoming NW. Waves 3 ft.

$$

ANZ543-202000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1035 AM EDT Sat Apr 20 2024

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

.REST OF TODAY...NW winds 10 kt. Waves 1 ft. Isolated showers late
this morning.
.TONIGHT...W winds 5 to 10 kt...becoming N 10 to 15 kt after
midnight. Gusts up to 20 kt. Waves 1 to 2 ft.
.SUN...NW winds 5 to 10 kt. Waves 1 ft.
.SUN NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt. Waves 1 ft.
.MON...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.MON NIGHT...S winds 5 kt. Waves less than 1 ft.
.TUE...S winds 10 to 15 kt. Waves 1 to 2 ft.
.WED...SW winds 15 kt...becoming NW. Waves 2 ft.

$$
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