Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 191433
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
1033 AM EDT Thu Apr 19 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.

ANZ500-192000-
1033 AM EDT Thu Apr 19 2018

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

A cold front will cross the waters later this morning. High pressure
 will return from the Ohio Valley Friday into the weekend.

$$

ANZ535-192000-
Tidal Potomac from Key Bridge to Indian Head-
1033 AM EDT Thu Apr 19 2018

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

.REST OF TODAY...NW winds 15 to 20 kt. Gusts up to 20 kt...
increasing to 35 kt this afternoon. Waves 1 to 2 ft. Isolated
showers late this morning.
.TONIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 1 to
2 ft.
.FRI...NW winds 15 kt with gusts to 25 kt. Waves 1 ft.
.FRI NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Waves 1 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.SUN...SE winds around 5 kt. Waves 1 ft or less.
.MON...SE winds around 5 kt. Waves 1 ft. A chance of showers through
the night.

$$

ANZ536-192000-
Tidal Potomac from Indian Head to Cobb Island-
1033 AM EDT Thu Apr 19 2018

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

.REST OF TODAY...NW winds 15 to 20 kt. Gusts up to 20 kt...
increasing to 35 kt this afternoon. Waves 2 to 3 ft. Isolated
showers late this morning.
.TONIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 to
3 ft.
.FRI...NW winds 15 kt with gusts to 25 kt. Waves 2 ft.
.FRI NIGHT...NW winds 10 to 15 kt. Gusts up to 20 kt in the evening.
Waves 1 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...SE winds around 5 kt. Waves 1 ft.
.MON...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.

$$

ANZ537-192000-
Tidal Potomac from Cobb Island to Smith Point-
1033 AM EDT Thu Apr 19 2018

...GALE WARNING IN EFFECT THROUGH THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...NW winds 15 to 20 kt. Gusts up to 20 kt...
increasing to 35 kt this afternoon. Waves 3 ft. Scattered showers.
.TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
.FRI...NW winds 15 to 20 kt. Gusts up to 30 kt... diminishing to
20 kt late. Waves 3 ft.
.FRI NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT...N winds 5 to 10 kt. Waves 1 to 2 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft or less.
.SUN...SE winds 5 to 10 kt. Waves 1 ft or less.
.MON...E winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.

$$

ANZ530-192000-
Chesapeake Bay north of Pooles Island-
1033 AM EDT Thu Apr 19 2018

...GALE WARNING IN EFFECT THROUGH THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...NW winds 15 to 20 kt. Gusts up to 20 kt...
increasing to 35 kt this afternoon. Waves 2 to 3 ft... except around
1 ft near the mouth of the Susquehanna. Showers likely.
.TONIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 2 to
3 ft.
.FRI...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.FRI NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SAT...NW winds 10 kt. Waves 1 ft.
.SAT NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.SUN...E winds around 5 kt. Waves 1 ft or less.
.MON...SE winds around 5 kt. Waves 1 ft.

$$

ANZ531-192000-
Chesapeake Bay from Pooles Island to Sandy Point-
1033 AM EDT Thu Apr 19 2018

...GALE WARNING IN EFFECT THROUGH THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...NW winds 15 to 20 kt. Gusts up to 20 kt...
increasing to 35 kt this afternoon. Waves 2 ft... building to 4 ft
this afternoon. Showers likely late this morning, then scattered
showers this afternoon.
.TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
.FRI...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.FRI NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT...NW winds 10 kt. Waves 1 ft.
.SAT NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.SUN...N winds 5 to 10 kt...becoming SE. Waves 1 ft or less.
.MON...SE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ538-192000-
Patapsco River including Baltimore Harbor-
1033 AM EDT Thu Apr 19 2018

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

.REST OF TODAY...NW winds 15 to 20 kt. Gusts up to 20 kt...
increasing to 35 kt this afternoon. Waves 2 ft. Showers likely late
this morning, then scattered showers this afternoon.
.TONIGHT...NW winds 20 kt with gusts to 30 kt. Waves 2 ft.
.FRI...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft.
.FRI NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...N winds 5 to 10 kt. Waves 1 ft or less.
.SUN...SE winds around 5 kt. Waves flat.
.MON...SE winds around 5 kt. Waves 1 ft.

$$

ANZ539-192000-
Chester River to Queenstown MD-
1033 AM EDT Thu Apr 19 2018

...GALE WARNING IN EFFECT THROUGH THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...NW winds 15 to 20 kt. Gusts up to 20 kt...
increasing to 35 kt this afternoon. Waves 2 ft... building to 4 ft
this afternoon. Showers likely.
.TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
.FRI...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.FRI NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT...NW winds 10 kt. Waves 1 ft.
.SAT NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.SUN...SE winds around 5 kt. Waves 1 ft or less.
.MON...SE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ532-192000-
Chesapeake Bay from Sandy Point to North Beach-
1033 AM EDT Thu Apr 19 2018

...GALE WARNING IN EFFECT THROUGH THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...NW winds 15 to 20 kt. Gusts up to 20 kt...
increasing to 35 kt this afternoon. Waves 3 ft. Showers likely late
this morning, then scattered showers this afternoon.
.TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
.FRI...NW winds 15 to 20 kt. Gusts up to 30 kt... diminishing to
20 kt late. Waves 3 ft.
.FRI NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT...NW winds 10 kt. Waves 1 ft.
.SAT NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.SUN...N winds 5 to 10 kt...becoming SE. Waves 1 ft or less.
.MON...SE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ540-192000-
Eastern Bay-
1033 AM EDT Thu Apr 19 2018

...GALE WARNING IN EFFECT THROUGH THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...NW winds 15 to 20 kt. Gusts up to 20 kt...
increasing to 35 kt this afternoon. Waves 2 to 3 ft. Showers likely.
.TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft.
.FRI...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
.FRI NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to
2 ft.
.SAT...NW winds 10 kt. Waves 1 ft.
.SAT NIGHT...N winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 5 to 10 kt...becoming S. Waves 1 ft or less.
.MON...SE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ533-192000-
Chesapeake Bay from North Beach to Drum Point-
1033 AM EDT Thu Apr 19 2018

...GALE WARNING IN EFFECT THROUGH THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...NW winds 15 to 20 kt. Gusts up to 20 kt...
increasing to 35 kt this afternoon. Waves 2 ft... building to 4 ft
this afternoon. Near the mouth of the Choptank, waves 2 to 3 ft.
Showers likely late this morning, then scattered showers this
afternoon.
.TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
.FRI...NW winds 15 to 20 kt. Gusts up to 30 kt... diminishing to
20 kt late. Waves 3 ft.
.FRI NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 to 2 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...N winds 5 to 10 kt...becoming SE. Waves 1 ft or less.
.MON...E winds 5 to 10 kt. Waves 1 ft.

$$

ANZ541-192000-
Choptank River to Cambridge MD and the Little Choptank River-
1033 AM EDT Thu Apr 19 2018

...GALE WARNING IN EFFECT THROUGH THIS EVENING...
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...

.REST OF TODAY...NW winds 15 to 20 kt. Gusts up to 20 kt...
increasing to 35 kt this afternoon. Waves 2 to 3 ft. Near the mouth
of the Choptank, waves around 2 ft...building to 4 ft this
afternoon. Showers likely.
.TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft.
.FRI...NW winds 15 to 20 kt. Gusts up to 30 kt... diminishing to
20 kt late. Waves 3 ft.
.FRI NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT...NW winds 10 kt. Waves 1 to 2 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...N winds 5 to 10 kt...becoming SE. Waves 1 ft or less.
.MON...SE winds 5 to 10 kt. Waves 1 ft.

$$

ANZ542-192000-
Patuxent River to Broomes Island MD-
1033 AM EDT Thu Apr 19 2018

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

.REST OF TODAY...NW winds 15 to 20 kt. Gusts up to 20 kt...
increasing to 35 kt this afternoon. Waves 1 to 2 ft. Showers likely
late this morning, then scattered showers this afternoon.
.TONIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 2 ft.
.FRI...NW winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft.
.FRI NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.SAT...NW winds 5 to 10 kt. Waves 1 ft.
.SAT NIGHT...W winds 5 kt. Waves less than 1 ft.
.SUN...SE winds around 5 kt. Waves 1 ft.
.MON...E winds around 5 kt. Waves 1 ft. A chance of showers through
the night.

$$

ANZ534-192000-
Chesapeake Bay from Drum Point to Smith Point-
1033 AM EDT Thu Apr 19 2018

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

.REST OF TODAY...NW winds 15 to 20 kt. Gusts up to 20 kt...
increasing to 35 kt this afternoon. Waves 3 ft... building to 5 ft
this afternoon. Showers likely.
.TONIGHT...NW winds 20 to 25 kt with gusts to 40 kt. Waves 5 ft.
.FRI...NW winds 15 to 20 kt. Gusts up to 30 kt... diminishing to
20 kt late. Waves 4 ft.
.FRI NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 to
3 ft.
.SAT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...N winds 5 to 10 kt...becoming SE. Waves 1 ft.
.MON...E winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers
through the night.

$$

ANZ543-192000-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
1033 AM EDT Thu Apr 19 2018

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

.REST OF TODAY...NW winds 15 to 20 kt. Gusts up to 20 kt...
increasing to 35 kt this afternoon. Waves 2 to 3 ft. Showers likely.
.TONIGHT...NW winds 20 to 25 kt with gusts to 40 kt. Waves 3 ft.
.FRI...NW winds 15 to 20 kt. Gusts up to 30 kt... diminishing to
20 kt late. Waves 2 to 3 ft.
.FRI NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.SAT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft.
.SAT NIGHT...NW winds 5 to 10 kt. Waves 1 ft.
.SUN...NW winds 5 to 10 kt...becoming SE. Waves 1 ft or less.
.MON...E winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the night.

$$



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