Coastal Waters Forecast
Issued by NWS Sterling, VA

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FZUS51 KLWX 211157
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
657 AM EST Wed Feb 21 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.

ANZ500-212100-
657 AM EST Wed Feb 21 2018

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

High pressure will remain off the southeast coast through today.  A
cold front will pass through the waters later tonight into  Thursday
and it will remain stall to the south Thursday night before
returning north as a warm front Friday into the weekend. Small Craft
 Advisories may be needed tonight and Thursday.

$$

ANZ535-212100-
Tidal Potomac from Key Bridge to Indian Head-
657 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

.TODAY...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. Isolated
showers this afternoon.
.TONIGHT...NW winds 5 kt. Waves less than 1 ft. A chance of rain.
.THU...NE winds 5 kt. Waves less than 1 ft. Rain likely with areas
of drizzle.
.THU NIGHT...NE winds 5 kt. Waves less than 1 ft. A chance of rain
with areas of drizzle.
.FRI...SE winds around 5 kt. Waves 1 ft or less. A chance of light
rain with areas of drizzle.
.FRI NIGHT...SW winds around 5 kt. Waves 1 ft. A chance of showers.
.SAT...SE winds around 5 kt. Waves 1 ft. Showers likely.
.SUN...NW winds 5 to 10 kt. Waves 1 ft. Showers likely through the
day, then a chance of showers through the night.

$$

ANZ536-212100-
Tidal Potomac from Indian Head to Cobb Island-
657 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

.TODAY...SW winds 10 kt with gusts to 20 kt. Waves 1 ft.
.TONIGHT...NW winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.THU...NE winds 5 kt. Waves less than 1 ft. A chance of rain with
areas of drizzle.
.THU NIGHT...NE winds 5 kt. Waves less than 1 ft. A chance of rain
with areas of drizzle.
.FRI...SE winds around 5 kt. Waves 1 ft. A chance of light rain with
areas of drizzle.
.FRI NIGHT...SW winds around 5 kt. Waves 1 ft.
.SAT...SE winds around 5 kt. Waves 1 ft. A chance of showers through
the day, then showers likely through the night.
.SUN...NW winds 5 to 10 kt. Waves 1 ft. Showers likely through the
day, then a chance of showers through the night.

$$

ANZ537-212100-
Tidal Potomac from Cobb Island to Smith Point-
657 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

.TODAY...SW winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft. Patchy
fog this morning with vsby 1 to 3 NM.
.TONIGHT...NW winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.THU...NE winds 5 to 10 kt. Waves 1 to 2 ft. A chance of rain with
areas of drizzle.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 to 2 ft. A chance of rain
with areas of drizzle.
.FRI...E winds 5 kt. Waves less than 1 ft. A chance of light rain
with areas of drizzle.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SAT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the day, then showers likely through the night.
.SUN...SW winds 10 to 15 kt...becoming NW 5 to 10 kt. Waves 1 ft.
Showers likely through the day, then a chance of showers through the
night.

$$

ANZ530-212100-
Chesapeake Bay north of Pooles Island-
657 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

.TODAY...SW winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft. Patchy
fog this morning. Isolated showers this afternoon. Vsby 1 to 3 NM
this morning.
.TONIGHT...W winds 5 to 10 kt...becoming N after midnight. Waves
1 ft. A chance of rain.
.THU...NE winds 5 to 10 kt. Waves 1 ft. Rain likely with areas of
drizzle.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. Rain likely with areas
of drizzle.
.FRI...E winds around 5 kt. Waves 1 ft. A chance of light rain with
areas of drizzle.
.FRI NIGHT...SW winds around 5 kt. Waves 1 ft. A chance of showers.
.SAT...SE winds around 5 kt. Waves flat. A chance of showers through
the day, then showers likely through the night.
.SUN...S winds 5 to 10 kt...becoming NW. Waves 1 ft. Showers through
the day, then a chance of showers through the night.

$$

ANZ531-212100-
Chesapeake Bay from Pooles Island to Sandy Point-
657 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

.TODAY...S winds 10 kt with gusts to 20 kt. Waves 2 ft. Patchy fog
this morning. Isolated showers this afternoon. Vsby 1 to 3 NM this
morning.
.TONIGHT...W winds 5 to 10 kt...becoming N after midnight. Waves
1 ft. A chance of rain.
.THU...NE winds 5 to 10 kt. Waves 1 ft. Rain likely with areas of
drizzle.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. Rain likely with areas
of drizzle.
.FRI...E winds 5 kt. Waves less than 1 ft. A chance of light rain
with areas of drizzle.
.FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of
showers.
.SAT...SE winds around 5 kt. Waves 1 ft or less. A chance of showers
through the day, then showers likely through the night.
.SUN...NW winds 5 to 10 kt. Waves 1 ft. Showers likely through the
day, then a chance of showers through the night.

$$

ANZ538-212100-
Patapsco River including Baltimore Harbor-
657 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

.TODAY...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. Patchy fog
this morning. Isolated showers this afternoon. Vsby 1 to 3 NM this
morning.
.TONIGHT...W winds 5 kt...becoming N after midnight. Waves 1 ft or
less. A chance of rain.
.THU...NE winds 5 to 10 kt. Waves 1 ft. Rain likely with areas of
drizzle.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. Rain likely with areas
of drizzle.
.FRI...E winds around 5 kt. Waves 1 ft. A chance of light rain with
areas of drizzle.
.FRI NIGHT...SW winds around 5 kt. Waves flat. A chance of showers.
.SAT...SE winds around 5 kt. Waves flat. A chance of showers through
the day, then showers likely through the night.
.SUN...NW winds 5 to 10 kt. Waves 1 ft. Showers through the day,
then a chance of showers through the night.

$$

ANZ539-212100-
Chester River to Queenstown MD-
657 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

.TODAY...S winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft. Patchy
fog this morning with vsby 1 to 3 NM.
.TONIGHT...SW winds 5 to 10 kt...becoming N after midnight. Waves
1 ft. A chance of rain.
.THU...NE winds 5 to 10 kt. Waves 1 ft. Rain likely with areas of
drizzle.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. Rain likely with areas
of drizzle.
.FRI...E winds 5 kt. Waves less than 1 ft. A chance of light rain
with areas of drizzle.
.FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of
showers.
.SAT...SE winds around 5 kt. Waves 1 ft or less. A chance of showers
through the day, then showers likely through the night.
.SUN...NW winds 5 to 10 kt. Waves 1 ft. Showers through the day,
then a chance of showers through the night.

$$

ANZ532-212100-
Chesapeake Bay from Sandy Point to North Beach-
657 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

.TODAY...S winds 10 kt with gusts to 20 kt. Waves 2 ft. Patchy fog
this morning with vsby 1 to 3 NM.
.TONIGHT...SW winds 5 to 10 kt...becoming N after midnight. Waves
1 to 2 ft. A chance of rain.
.THU...NE winds 5 to 10 kt. Waves 1 ft. Rain likely with areas of
drizzle.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. A chance of rain with
areas of drizzle.
.FRI...E winds 5 kt. Waves less than 1 ft. A chance of light rain
with areas of drizzle.
.FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of
showers.
.SAT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the day, then showers likely through the night.
.SUN...NW winds 5 to 10 kt. Waves 1 ft. Showers likely through the
day, then a chance of showers through the night.

$$

ANZ540-212100-
Eastern Bay-
657 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

.TODAY...S winds 10 kt with gusts to 20 kt. Waves 2 ft. Patchy fog
this morning with vsby 1 to 3 NM.
.TONIGHT...SW winds 5 to 10 kt...becoming N after midnight. Waves
1 ft. A chance of rain.
.THU...NE winds 5 to 10 kt. Waves 1 ft. Rain likely with areas of
drizzle.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. A chance of rain with
areas of drizzle.
.FRI...E winds 5 kt. Waves less than 1 ft. A chance of light rain
with areas of drizzle.
.FRI NIGHT...SW winds around 5 kt. Waves 1 ft. A chance of showers.
.SAT...SE winds 5 kt. Waves less than 1 ft. A chance of showers
through the day, then showers likely through the night.
.SUN...S winds 10 kt...becoming NW. Waves 1 ft. Showers likely
through the day, then a chance of showers through the night.

$$

ANZ533-212100-
Chesapeake Bay from North Beach to Drum Point-
657 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

.TODAY...SW winds 10 kt with gusts to 20 kt. Waves 2 ft. Patchy fog
this morning with vsby 1 to 3 NM.
.TONIGHT...W winds 5 to 10 kt...becoming N late. Waves 1 to 2 ft. A
chance of rain.
.THU...NE winds 5 to 10 kt. Waves 1 ft. A chance of rain with areas
of drizzle.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. A chance of rain with
areas of drizzle.
.FRI...E winds 5 kt. Waves less than 1 ft. A chance of light rain
with areas of drizzle.
.FRI NIGHT...S winds 5 kt. Waves less than 1 ft.
.SAT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the day, then showers likely through the night.
.SUN...NW winds 5 to 10 kt. Waves 1 to 2 ft. Showers likely through
the day, then a chance of showers through the night.

$$

ANZ541-212100-
Choptank River to Cambridge MD and the Little Choptank River-
657 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

.TODAY...S winds 10 kt with gusts to 20 kt. Waves 2 ft. Patchy fog
this morning with vsby 1 to 3 NM.
.TONIGHT...W winds 5 to 10 kt...becoming N late. Waves 1 ft. A
chance of rain.
.THU...NE winds 5 to 10 kt. Waves 1 ft. A chance of rain with areas
of drizzle.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. A chance of rain with
areas of drizzle.
.FRI...E winds 5 kt. Waves less than 1 ft. A chance of light rain
with areas of drizzle.
.FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of
showers.
.SAT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers through
the day, then showers likely through the night.
.SUN...NW winds 5 to 10 kt. Waves 1 ft. Showers likely through the
day, then a chance of showers through the night.

$$

ANZ542-212100-
Patuxent River to Broomes Island MD-
657 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

.TODAY...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. Patchy fog
this morning with vsby 1 to 3 NM.
.TONIGHT...NW winds 5 kt. Waves less than 1 ft. A chance of rain.
.THU...NE winds 5 to 10 kt. Waves 1 ft. A chance of rain with areas
of drizzle.
.THU NIGHT...NE winds 5 kt. Waves less than 1 ft. A chance of rain
with areas of drizzle.
.FRI...E winds 5 kt. Waves less than 1 ft. A chance of light rain
with areas of drizzle.
.FRI NIGHT...SW winds around 5 kt. Waves 1 ft.
.SAT...E winds 5 kt. Waves less than 1 ft. A chance of showers
through the day, then showers likely through the night.
.SUN...NW winds 5 to 10 kt. Waves 1 ft. Showers likely through the
day, then a chance of showers through the night.

$$

ANZ534-212100-
Chesapeake Bay from Drum Point to Smith Point-
657 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

.TODAY...S winds 10 kt with gusts to 20 kt. Waves 2 ft. Patchy fog
this morning with vsby 1 to 3 NM.
.TONIGHT...W winds 5 to 10 kt. Waves 1 to 2 ft. A chance of rain.
.THU...NE winds 5 to 10 kt. Waves 1 to 2 ft. A chance of rain with
areas of drizzle.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 to 2 ft. A chance of rain
with areas of drizzle.
.FRI...E winds 5 kt. Waves less than 1 ft. A chance of light rain
with areas of drizzle.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SAT...SW winds 5 to 10 kt...becoming SE. Waves 1 ft. A chance of
showers through the day, then showers likely through the night.
.SUN...S winds 10 to 15 kt...becoming NW 5 to 10 kt. Waves 2 to
3 ft...subsiding to 1 ft after midnight. Showers likely through the
day, then a chance of showers through the night.

$$

ANZ543-212100-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
657 AM EST Wed Feb 21 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

.TODAY...S winds 10 kt with gusts to 20 kt. Waves 2 ft. Patchy fog
this morning with vsby 1 to 3 NM.
.TONIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of rain.
.THU...NE winds 5 to 10 kt. Waves 1 ft. A chance of rain with areas
of drizzle.
.THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. A chance of rain with
areas of drizzle.
.FRI...E winds 5 kt. Waves less than 1 ft. A chance of light rain
with areas of drizzle.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SAT...SW winds 5 kt...becoming SE. Waves 1 ft. A chance of showers
through the day, then showers likely through the night.
.SUN...S winds 10 to 15 kt...becoming NW 5 to 10 kt. Waves 2 to
3 ft...subsiding to 1 ft after midnight. Showers likely through the
day, then a chance of showers through the night.

$$



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