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FZUS51 KLWX 121435
CWFLWX

Coastal Waters Forecast
National Weather Service Baltimore MD/Washington DC
935 AM EST Wed Feb 12 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.

ANZ500-122100-
935 AM EST Wed Feb 12 2025

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

A brief break in precipitation is expected this morning, then
another area of low pressure moves through tonight into Thursday.
High pressure builds in on Friday before an additional storm system
this upcoming weekend. Small Craft Advisories may be needed Thursday
 into early Friday.

$$

ANZ535-122100-
Tidal Potomac from Key Bridge to Indian Head-
935 AM EST Wed Feb 12 2025

.REST OF TODAY...NE winds 5 kt. Waves less than 1 ft. A slight
chance of snow. Rain this afternoon. Vsby 1 to 3 NM.
.TONIGHT...E winds around 5 kt. Waves 1 ft. Rain. Vsby 1 to 3 NM.
.THU...SW winds 5 to 10 kt...becoming NW 10 to 15 kt with gusts to
20 kt late. Waves 1 ft.
.THU NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
.FRI...NW winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...SE winds around 5 kt. Waves 1 ft.
.SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of rain in the
morning. Rain.
.SUN...S winds 10 to 15 kt...becoming NW. Waves 1 ft. Rain through
the day.

$$

ANZ536-122100-
Tidal Potomac from Indian Head to Cobb Island-
935 AM EST Wed Feb 12 2025

.REST OF TODAY...NE winds 5 kt. Waves less than 1 ft. Rain likely
with possible sleet and snow late this morning, then rain this
afternoon. Vsby 1 to 3 NM.
.TONIGHT...E winds 5 to 10 kt...becoming S late. Waves 1 ft. Rain.
Vsby 1 to 3 NM.
.THU...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A
chance of showers.
.THU NIGHT...NW winds 15 to 20 kt. Waves 1 to 2 ft.
.FRI...NW winds 10 to 15 kt. Waves 1 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.SAT...S winds 10 to 15 kt. Waves 1 ft. A chance of rain in the
morning, then rain.
.SUN...SW winds 15 to 20 kt...becoming NW. Waves 2 ft. Rain through
the day.

$$

ANZ537-122100-
Tidal Potomac from Cobb Island to Smith Point-
935 AM EST Wed Feb 12 2025

.REST OF TODAY...NE winds 10 kt. Waves 2 ft. Rain with possible
sleet and snow late this morning, then rain this afternoon. Vsby
1 to 3 NM.
.TONIGHT...E winds 5 to 10 kt...becoming SW late. Waves 2 ft. Rain.
Vsby 1 to 3 NM.
.THU...SW winds 10 to 15 kt...becoming W late. Gusts up to 20 kt.
Waves 1 to 2 ft. Showers likely.
.THU NIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.FRI...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 to 3 ft.
.FRI NIGHT...SE winds 5 to 10 kt. Waves 1 ft.
.SAT...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of rain in the
morning, then rain.
.SUN...SW winds 15 to 20 kt...becoming NW 20 to 25 kt. Waves 3 ft.
Rain through the day, then a chance of rain in the evening.

$$

ANZ530-122100-
Chesapeake Bay north of Pooles Island-
935 AM EST Wed Feb 12 2025

.REST OF TODAY...NE winds 10 kt. Waves 1 ft. Isolated flurries late
this morning, then rain likely with a chance of snow this afternoon
with vsby 1 to 3 NM.
.TONIGHT...E winds 10 to 15 kt...diminishing to 5 kt late. Waves
1 ft. Rain. Vsby 1 to 3 NM.
.THU...SW winds 10 to 15 kt with gusts to 20 kt... becoming W 15 to
20 kt with gusts to 25 kt late. Waves 1 to 2 ft. A chance of
showers.
.THU NIGHT...NW winds 20 to 25 kt. Waves 2 ft.
.FRI...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.FRI NIGHT...SW winds around 5 kt. Waves 1 ft.
.SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of rain and snow in
the morning. Rain.
.SUN...S winds 10 to 15 kt...becoming SW 15 to 20 kt in the
afternoon, then becoming W 20 to 25 kt. Waves 2 ft. Rain through the
day, then a chance of rain in the evening.

$$

ANZ531-122100-
Chesapeake Bay from Pooles Island to Sandy Point-
935 AM EST Wed Feb 12 2025

.REST OF TODAY...NE winds 10 kt. Waves 1 to 2 ft. Isolated flurries
late this morning, then rain with a chance of snow this afternoon
with vsby 1 to 3 NM.
.TONIGHT...E winds 10 to 15 kt...becoming SE 5 kt late. Waves 1 ft.
Rain.
.THU...SW winds 10 to 15 kt with gusts to 20 kt... becoming W 15 to
20 kt with gusts to 25 kt late. Waves 1 ft...building to 3 ft in the
afternoon. A chance of showers.
.THU NIGHT...NW winds 20 to 25 kt. Waves 3 ft.
.FRI...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of rain and snow in
the morning. Rain.
.SUN...S winds 10 to 15 kt...becoming SW 15 to 20 kt in the
afternoon, then becoming NW 20 to 25 kt. Waves 2 to 3 ft. Rain
through the day, then a chance of rain and snow in the evening.

$$

ANZ538-122100-
Patapsco River including Baltimore Harbor-
935 AM EST Wed Feb 12 2025

.REST OF TODAY...NE winds 10 kt. Waves 1 ft. Isolated flurries late
this morning, then rain with a chance of snow this afternoon with
vsby 1 to 3 NM.
.TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Rain.
.THU...SW winds 5 to 10 kt...becoming W 15 kt with gusts to 20 kt
late. Waves 1 to 2 ft.
.THU NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to
2 ft.
.FRI...NW winds 5 to 10 kt. Waves 1 ft.
.FRI NIGHT...SW winds around 5 kt. Waves 1 ft or less.
.SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of rain and snow in
the morning. Rain.
.SUN...S winds 10 to 15 kt...becoming NW. Waves 1 to 2 ft. Rain
through the day.

$$

ANZ539-122100-
Chester River to Queenstown MD-
935 AM EST Wed Feb 12 2025

.REST OF TODAY...NE winds 10 kt. Waves 1 ft. Isolated flurries. Rain
likely this afternoon with vsby 1 to 3 NM.
.TONIGHT...E winds 10 to 15 kt...becoming SE 5 kt late. Waves 1 ft.
Rain.
.THU...SW winds 5 to 10 kt...becoming W 15 to 20 kt late. Waves 2 to
3 ft. A chance of showers.
.THU NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.FRI...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft.
.FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft.
.SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of rain and snow in
the morning. Rain.
.SUN...S winds 10 to 15 kt...becoming SW 15 to 20 kt in the
afternoon, then becoming NW 20 to 25 kt. Waves 2 to 3 ft. Rain
through the day, then a chance of rain in the evening.

$$

ANZ532-122100-
Chesapeake Bay from Sandy Point to North Beach-
935 AM EST Wed Feb 12 2025

.REST OF TODAY...NE winds 10 kt. Waves 1 to 2 ft. A slight chance of
snow late this morning, then rain with isolated flurries this
afternoon. Vsby 1 to 3 NM.
.TONIGHT...E winds 10 to 15 kt...becoming S 5 kt late. Waves 1 ft.
Rain. Vsby 1 to 3 NM.
.THU...SW winds 5 to 10 kt...becoming W 15 to 20 kt late. Waves
2 ft. A chance of showers.
.THU NIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft.
.FRI...NW winds 15 to 20 kt. Waves 2 to 3 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT...S winds 5 to 10 kt. Waves 1 to 2 ft. A chance of rain and
snow in the morning. Rain.
.SUN...S winds 10 to 15 kt...becoming SW 15 to 20 kt in the
afternoon, then becoming NW 20 to 25 kt. Waves 3 ft. Rain through
the day, then a chance of rain and snow in the evening.

$$

ANZ540-122100-
Eastern Bay-
935 AM EST Wed Feb 12 2025

.REST OF TODAY...NE winds 10 kt. Waves 1 ft. A slight chance of snow
late this morning, then rain with isolated flurries this afternoon.
Vsby 1 to 3 NM late this morning.
.TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Rain. Vsby 1 to 3 NM.
.THU...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A
chance of showers.
.THU NIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 to
3 ft.
.FRI...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of rain and snow in
the morning. Rain.
.SUN...S winds 10 to 15 kt...becoming SW 15 to 20 kt in the
afternoon, then becoming NW 20 to 25 kt. Waves 2 ft. Rain through
the day, then a chance of rain in the evening.

$$

ANZ533-122100-
Chesapeake Bay from North Beach to Drum Point-
935 AM EST Wed Feb 12 2025

.REST OF TODAY...NE winds 10 kt. Waves 2 ft. A chance of rain with a
slight chance of snow late this morning, then rain this afternoon.
Vsby 1 to 3 NM.
.TONIGHT...E winds 10 to 15 kt...becoming S 5 to 10 kt after
midnight. Waves 1 to 2 ft. Rain. Vsby 1 to 3 NM.
.THU...SW winds 10 to 15 kt...becoming W 15 to 20 kt late. Waves
2 ft. A chance of showers.
.THU NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
.FRI...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of rain in the
morning, then rain.
.SUN...S winds 15 to 20 kt...becoming NW 20 to 25 kt. Waves 3 ft.
Rain through the day, then a chance of rain in the evening.

$$

ANZ541-122100-
Choptank River to Cambridge MD and the Little Choptank River-
935 AM EST Wed Feb 12 2025

.REST OF TODAY...NE winds 10 kt. Waves 1 ft. A chance of rain with a
slight chance of snow late this morning, then rain this afternoon.
Vsby 1 to 3 NM.
.TONIGHT...E winds 10 to 15 kt...becoming S 5 to 10 kt late. Waves
1 ft. Rain. Vsby 1 to 3 NM.
.THU...SW winds 10 to 15 kt...becoming W 15 to 20 kt late. Waves
2 ft. A chance of showers.
.THU NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
.FRI...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft.
.SAT...S winds 10 to 15 kt. Waves 1 ft. A chance of rain in the
morning, then rain.
.SUN...S winds 15 to 20 kt...becoming NW 20 to 25 kt. Waves 2 to
3 ft. Rain through the day, then a chance of rain in the evening.

$$

ANZ542-122100-
Patuxent River to Broomes Island MD-
935 AM EST Wed Feb 12 2025

.REST OF TODAY...NE winds 10 kt. Waves 1 ft. Rain likely with a
slight chance of snow late this morning, then rain this afternoon.
Vsby 1 to 3 NM.
.TONIGHT...E winds 5 to 10 kt...becoming SW late. Waves 1 ft. Rain.
Vsby 1 to 3 NM.
.THU...SW winds 10 to 15 kt...becoming W late. Waves 1 ft. Showers
likely.
.THU NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft.
.FRI...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft.
.FRI NIGHT...SW winds around 5 kt. Waves 1 ft.
.SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of rain in the
morning, then rain.
.SUN...SW winds 10 to 15 kt...becoming NW 15 to 20 kt. Waves 1 ft.
Rain through the day, then a chance of rain in the evening.

$$

ANZ534-122100-
Chesapeake Bay from Drum Point to Smith Point-
935 AM EST Wed Feb 12 2025

.REST OF TODAY...NE winds 10 kt. Waves 2 ft. Rain with a slight
chance of snow late this morning, then rain this afternoon. Vsby
1 to 3 NM.
.TONIGHT...E winds 10 to 15 kt...becoming S 5 to 10 kt after
midnight. Waves 2 ft. Rain. Vsby 1 to 3 NM.
.THU...SW winds 10 to 15 kt...becoming W late. Gusts up to 20 kt.
Waves 2 to 3 ft. Showers.
.THU NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft.
.FRI...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft.
.FRI NIGHT...NE winds 5 to 10 kt...becoming S after midnight. Waves
1 ft.
.SAT...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of rain in the
morning, then rain.
.SUN...SW winds 15 to 20 kt...becoming NW 20 to 25 kt. Waves 4 ft.
Rain through the day, then a chance of rain in the evening.

$$

ANZ543-122100-
Tangier Sound and the inland waters surrounding Bloodsworth Island-
935 AM EST Wed Feb 12 2025

.REST OF TODAY...NE winds 10 kt. Waves 1 ft. Rain with a slight
chance of snow late this morning, then rain this afternoon. Vsby
1 to 3 NM.
.TONIGHT...E winds 5 to 10 kt...becoming S late. Waves 1 ft. Rain.
Vsby 1 to 3 NM.
.THU...SW winds 10 to 15 kt...becoming W late. Gusts up to 20 kt.
Waves 2 ft. Showers.
.THU NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft.
.FRI...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft.
.FRI NIGHT...NE winds 5 to 10 kt...becoming SE after midnight. Waves
1 ft.
.SAT...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of rain in the
morning, then rain.
.SUN...SW winds 15 to 20 kt...becoming NW 20 to 25 kt. Waves 2 to
3 ft. Rain through the day, then a chance of rain in the evening.

$$