Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 240232
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1032 PM EDT Mon Apr 23 2018

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.

ANZ500-240800-
1032 PM EDT Mon Apr 23 2018

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

An area of low pressure over the Tennessee Valley and Southeast U.S.
 will approach the region tonight and Tuesday, crossing the waters
on  Wednesday. High pressure will then move near the area Thursday.
Another low pressure system may affect the waters by Friday and
Saturday. Small Craft Advisories may be needed Wednesday and
Wednesday night.

$$

ANZ535-240800-
Tidal Potomac from Key Bridge to Indian Head-
1032 PM EDT Mon Apr 23 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...

.REST OF TONIGHT...E winds 5 kt. Waves less than 1 ft. A chance of
rain.
.TUE...E winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Rain.
Vsby 1 to 3 NM.
.TUE NIGHT...NE winds 5 to 10 kt. Waves 1 ft. Rain. Vsby 1 to 3 NM.
.WED...NW winds 5 to 10 kt. Waves 1 ft. Showers likely.
.WED NIGHT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...NW winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...NW winds around 5 kt. Waves 1 ft.
.FRI...SW winds around 5 kt. Waves 1 ft. A chance of showers.
.SAT...NW winds 5 kt. Waves less than 1 ft. A chance of showers in
the morning.

$$

ANZ536-240800-
Tidal Potomac from Indian Head to Cobb Island-
1032 PM EDT Mon Apr 23 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...

.REST OF TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain likely.
.TUE...E winds 10 to 15 kt. Gusts up to 20 kt... increasing to 25 kt
in the afternoon. Waves 1 to 2 ft. Rain. Vsby 1 to 3 NM.
.TUE NIGHT...E winds 10 to 15 kt with gusts to 25 kt... diminishing
to 5 kt late. Waves 1 to 2 ft. Rain. Vsby 1 to 3 NM.
.WED...NW winds 5 to 10 kt. Waves 1 ft. Showers likely.
.WED NIGHT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...NW winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...NW winds around 5 kt. Waves 1 ft.
.FRI...S winds around 5 kt. Waves 1 ft. A chance of showers.
.SAT...NW winds 5 kt. Waves less than 1 ft. A chance of showers in
the morning.

$$

ANZ537-240800-
Tidal Potomac from Cobb Island to Smith Point-
1032 PM EDT Mon Apr 23 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT TUESDAY THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...SE winds 10 kt. Waves 2 ft. A chance of rain.
.TUE...E winds 15 to 20 kt. Gusts up to 20 kt... increasing to 30 kt
in the afternoon. Waves 3 ft. Rain. Vsby 1 to 3 NM.
.TUE NIGHT...E winds 20 to 25 kt with gusts to 30 kt... diminishing
to 10 to 15 kt with gusts to 25 kt after midnight. Waves 4 ft. Rain.
Vsby 1 to 3 NM.
.WED...W winds 5 to 10 kt. Waves 1 ft. Showers likely.
.WED NIGHT...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers.
.THU...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft.
.THU NIGHT...NW winds around 5 kt. Waves 1 ft or less.
.FRI...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ530-240800-
Chesapeake Bay north of Pooles Island-
1032 PM EDT Mon Apr 23 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...SE winds 5 kt. Waves less than 1 ft. A slight
chance of rain.
.TUE...E winds 10 to 15 kt. Gusts up to 20 kt... increasing to 25 kt
in the afternoon. Waves 1 ft. Rain. Vsby 1 to 3 NM.
.TUE NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
Rain. Vsby 1 to 3 NM.
.WED...NE winds 5 kt...becoming W in the afternoon. Waves 1 ft.
Showers likely.
.WED NIGHT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...NW winds 10 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft or less.
.FRI...S winds 5 kt. Waves less than 1 ft. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ531-240800-
Chesapeake Bay from Pooles Island to Sandy Point-
1032 PM EDT Mon Apr 23 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...SE winds 10 kt. Waves 1 to 2 ft. A chance of
rain.
.TUE...E winds 10 to 15 kt. Gusts up to 20 kt... increasing to 25 kt
in the afternoon. Waves 1 to 2 ft. Rain. Vsby 1 to 3 NM.
.TUE NIGHT...E winds 10 to 15 kt. Gusts up to 25 kt until early
morning. Waves 2 ft. Rain. Vsby 1 to 3 NM.
.WED...NE winds 5 kt...becoming W in the afternoon. Waves 1 ft.
Showers likely.
.WED NIGHT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...NW winds 10 kt with gusts to 20 kt. Waves 2 ft.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.FRI...S winds around 5 kt. Waves 1 ft or less. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ538-240800-
Patapsco River including Baltimore Harbor-
1032 PM EDT Mon Apr 23 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of
rain.
.TUE...E winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft.
Rain. Vsby 1 to 3 NM.
.TUE NIGHT...E winds 10 to 15 kt...becoming NE 5 kt late. Gusts up
to 20 kt until early morning. Waves 2 ft. Rain. Vsby 1 to 3 NM.
.WED...NE winds around 5 kt...becoming W in the afternoon. Waves
1 ft. Showers likely.
.WED NIGHT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...NW winds 10 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...W winds around 5 kt. Waves 1 ft or less.
.FRI...S winds around 5 kt. Waves 1 ft or less. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ539-240800-
Chester River to Queenstown MD-
1032 PM EDT Mon Apr 23 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...SE winds 10 kt. Waves 1 ft. A chance of rain.
.TUE...E winds 10 to 15 kt. Gusts up to 20 kt... increasing to 25 kt
in the afternoon. Waves 1 to 2 ft. Rain. Vsby 1 to 3 NM.
.TUE NIGHT...E winds 10 to 15 kt. Gusts up to 25 kt until early
morning. Waves 1 to 2 ft. Rain. Vsby 1 to 3 NM.
.WED...E winds 5 kt...becoming W in the afternoon. Waves 1 ft or
less. Showers likely.
.WED NIGHT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...NW winds 10 kt with gusts to 20 kt. Waves 2 ft.
.THU NIGHT...W winds 5 to 10 kt. Waves 1 ft.
.FRI...S winds 5 kt. Waves less than 1 ft. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ532-240800-
Chesapeake Bay from Sandy Point to North Beach-
1032 PM EDT Mon Apr 23 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT TUESDAY THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...SE winds 10 kt. Waves 2 ft. A chance of rain.
.TUE...E winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. Rain.
Vsby 1 to 3 NM.
.TUE NIGHT...E winds 10 to 15 kt. Gusts up to 25 kt until early
morning. Waves 2 to 3 ft. Rain. Vsby 1 to 3 NM.
.WED...E winds 5 kt...becoming W in the afternoon. Waves 1 ft.
Showers likely.
.WED NIGHT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft.
.THU NIGHT...W winds around 5 kt. Waves 1 ft or less.
.FRI...S winds 5 kt. Waves less than 1 ft. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ540-240800-
Eastern Bay-
1032 PM EDT Mon Apr 23 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...SE winds 10 kt. Waves 1 ft. A chance of rain.
.TUE...E winds 10 to 15 kt. Gusts up to 20 kt... increasing to 25 kt
in the afternoon. Waves 1 to 2 ft. Rain. Vsby 1 to 3 NM.
.TUE NIGHT...E winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft.
Rain. Vsby 1 to 3 NM.
.WED...SE winds 5 kt...becoming W in the afternoon. Waves 1 ft or
less. Showers likely.
.WED NIGHT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers.
.THU...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft.
.THU NIGHT...W winds 5 kt. Waves less than 1 ft.
.FRI...S winds 5 kt. Waves less than 1 ft. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ533-240800-
Chesapeake Bay from North Beach to Drum Point-
1032 PM EDT Mon Apr 23 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT TUESDAY THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...SE winds 10 kt. Waves 2 ft. A chance of rain.
.TUE...E winds 10 to 15 kt with gusts to 25 kt. Waves 2 to 3 ft.
Rain. Vsby 1 to 3 NM.
.TUE NIGHT...E winds 15 to 20 kt with gusts to 25 kt... becoming SE
5 to 10 kt late. Waves 3 ft. Rain. Vsby 1 to 3 NM.
.WED...S winds 5 to 10 kt...becoming W in the afternoon. Waves 1 ft.
Showers likely.
.WED NIGHT...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers.
.THU...NW winds 5 to 10 kt with gusts to 20 kt. Waves 2 ft.
.THU NIGHT...W winds around 5 kt. Waves 1 ft.
.FRI...S winds 5 to 10 kt. Waves 1 ft or less...building to 2 ft. A
chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers in
the morning.

$$

ANZ541-240800-
Choptank River to Cambridge MD and the Little Choptank River-
1032 PM EDT Mon Apr 23 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT TUESDAY THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...SE winds 10 kt. Waves 1 ft. A chance of rain.
.TUE...E winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. Rain.
Vsby 1 to 3 NM.
.TUE NIGHT...SE winds 10 to 15 kt. Gusts up to 25 kt until early
morning. Waves 2 ft. Rain. Vsby 1 to 3 NM.
.WED...S winds 5 kt...becoming W in the afternoon. Waves 1 ft.
Showers likely.
.WED NIGHT...NW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of
showers.
.THU...NW winds 5 to 10 kt with gusts to 20 kt. Waves 2 ft.
.THU NIGHT...W winds around 5 kt. Waves 1 ft.
.FRI...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ542-240800-
Patuxent River to Broomes Island MD-
1032 PM EDT Mon Apr 23 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...SE winds 10 kt. Waves 1 ft. A chance of rain.
.TUE...E winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. Rain.
Vsby 1 to 3 NM.
.TUE NIGHT...E winds 10 to 15 kt with gusts to 25 kt... becoming SE
5 kt late. Waves 1 ft. Rain. Vsby 1 to 3 NM.
.WED...SW winds 5 kt. Waves less than 1 ft. Showers likely.
.WED NIGHT...NW winds 5 kt. Waves less than 1 ft. A chance of
showers.
.THU...NW winds 5 to 10 kt. Waves 1 ft.
.THU NIGHT...NW winds around 5 kt. Waves 1 ft.
.FRI...S winds around 5 kt. Waves 1 ft. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the
morning.

$$

ANZ534-240800-
Chesapeake Bay from Drum Point to Smith Point-
1032 PM EDT Mon Apr 23 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT TUESDAY THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...E winds 10 to 15 kt. Waves 2 ft. A chance of
rain.
.TUE...E winds 15 to 20 kt. Gusts up to 20 kt... increasing to 30 kt
in the afternoon. Waves 3 ft. Rain. Vsby 1 to 3 NM.
.TUE NIGHT...SE winds 20 to 25 kt with gusts to 30 kt...diminishing
to 10 to 15 kt late. Waves 4 ft. Rain. Vsby 1 to 3 NM.
.WED...SW winds 5 to 10 kt. Waves 1 ft. Showers likely.
.WED NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft. A chance of showers.
.THU...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.THU NIGHT...SW winds 5 kt. Waves less than 1 ft.
.FRI...S winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers in
the morning.

$$

ANZ543-240800-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1032 PM EDT Mon Apr 23 2018

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM EDT TUESDAY THROUGH LATE
TUESDAY NIGHT...

.REST OF TONIGHT...E winds 10 kt. Waves 1 ft. A chance of rain.
.TUE...E winds 15 to 20 kt. Gusts up to 25 kt... increasing to 30 kt
late. Waves 2 ft. Rain. Vsby 1 to 3 NM.
.TUE NIGHT...E winds 20 to 25 kt with gusts to 30 kt... becoming SE
10 to 15 kt with gusts to 25 kt after midnight. Waves 3 ft. Rain.
Vsby 1 to 3 NM.
.WED...SW winds 5 to 10 kt. Waves 1 ft. Showers likely.
.WED NIGHT...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.THU...W winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft.
.THU NIGHT...W winds around 5 kt. Waves 1 ft.
.FRI...S winds 5 to 10 kt. Waves 1 ft or less...building to 2 ft. A
chance of showers.
.SAT...NW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers in
the morning.

$$




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