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fzus51 klwx 212357
cwflwx
expires:202609220800;;843627

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt mon sep 21 2026

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.


anz531-220800-
chesapeake bay from pooles island to sandy point-
757 pm edt mon sep 21 2026

...small craft advisory in effect through late tuesday night...

.tonight...e winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
a chance of showers this evening, then showers likely with a slight
chance of tstms after midnight. 
.tue...ne winds 15 to 20 kt with gusts to 30 kt. waves 3 ft.
showers.
.tue night...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
rain likely. 
.wed...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. rain
likely. 
.wed night...ne winds 20 kt with gusts to 35 kt. waves 4 ft. 
.thu...ne winds 15 to 20 kt with gusts to 30 kt. waves 3 ft. 
.thu night...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.fri...n winds 20 to 25 kt. waves 3 ft. 
.sat...n winds 15 to 20 kt. waves 2 to 3 ft.  

winds and waves higher and visibilities lower in and near tstms.

$$
fzus51 klwx 212357
cwflwx
expires:202609220800;;843630

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt mon sep 21 2026

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.


anz532-220800-
chesapeake bay from sandy point to north beach-
757 pm edt mon sep 21 2026

...small craft advisory in effect through late tuesday night...

.tonight...e winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
a slight chance of showers this evening, then showers with a slight
chance of tstms after midnight. 
.tue...ne winds 15 to 20 kt with gusts to 30 kt. waves 3 ft.
showers.
.tue night...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
rain likely. 
.wed...ne winds 20 to 25 kt with gusts to 35 kt. waves 4 ft. rain
likely. 
.wed night...ne winds 20 to 25 kt with gusts to 35 kt. waves 4 ft. 
.thu...ne winds 20 to 25 kt with gusts to 35 kt. waves 4 ft. 
.thu night...n winds 20 to 25 kt. waves 3 ft. 
.fri...n winds 20 to 25 kt. waves 3 ft. 
.sat...n winds 20 to 25 kt. waves 2 to 3 ft.  

winds and waves higher and visibilities lower in and near tstms.

$$
fzus51 klwx 212357
cwflwx
expires:202609220800;;843632

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt mon sep 21 2026

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.


anz533-220800-
chesapeake bay from north beach to drum point-
757 pm edt mon sep 21 2026

...small craft advisory in effect through late tuesday night...
...gale watch in effect from wednesday morning through late
wednesday night...

.tonight...e winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
a slight chance of showers this evening, then showers likely with a
slight chance of tstms after midnight. 
.tue...ne winds 15 to 20 kt with gusts to 30 kt. waves 3 ft.
showers. patchy fog. vsby 1 nm or less. 
.tue night...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
rain likely. 
.wed...ne winds 20 to 25 kt with gusts to 35 kt. waves 5 ft. rain
likely. 
.wed night...ne winds 20 to 25 kt with gusts to 35 kt. waves 5 ft. a
chance of rain. 
.thu...ne winds 20 to 25 kt with gusts to 35 kt. waves 4 ft. 
.thu night...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft. 
.fri...n winds 20 to 25 kt. waves 4 ft. 
.sat...nw winds 20 to 25 kt. waves 3 ft.  

winds and waves higher and visibilities lower in and near tstms.

$$
fzus51 klwx 212357
cwflwx
expires:202609220800;;843635

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt mon sep 21 2026

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.


anz534-220800-
chesapeake bay from drum point to smith point-
757 pm edt mon sep 21 2026

...small craft advisory in effect through late tuesday night...
...gale watch in effect from wednesday morning through thursday
afternoon...

.tonight...e winds 15 kt with gusts to 20 kt. waves 3 ft. a slight
chance of showers this evening, then a chance of showers with a
slight chance of tstms after midnight. 
.tue...e winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. showers
likely with a chance of tstms. 
.tue night...ne winds 20 to 25 kt with gusts to 35 kt. waves 5 ft.
rain likely. 
.wed...ne winds 20 to 25 kt with gusts to 40 kt. waves 5 ft. rain.
.wed night...ne winds 25 kt with gusts to 40 kt. waves 6 ft. a
chance of rain. 
.thu...ne winds 20 to 25 kt with gusts to 35 kt. waves 5 ft. 
.thu night...n winds 20 to 25 kt with gusts to 30 kt. waves 4 ft. 
.fri...n winds 20 to 25 kt. waves 4 ft. 
.sat...nw winds 20 to 25 kt. waves 3 ft.  

winds and waves higher and visibilities lower in and near tstms.

$$
fzus51 klwx 212357
cwflwx
expires:202609220800;;843623

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt mon sep 21 2026

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.


anz535-220800-
tidal potomac from key bridge to indian head-
757 pm edt mon sep 21 2026

...small craft advisory in effect through late tuesday night...

.tonight...e winds 10 kt. waves 1 ft. a chance of showers this
evening, then showers with a chance of tstms after midnight.
.tue...ne winds 10 kt with gusts to 20 kt. waves 1 ft. showers with
a chance of tstms. patchy fog. vsby 1 nm or less. 
.tue night...ne winds 10 to 15 kt with gusts to 25 kt. waves 1 ft.
rain. patchy fog. vsby 1 nm or less. 
.wed...ne winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. rain.
.wed night...ne winds 10 kt with gusts to 20 kt. waves 1 ft. a
chance of rain. 
.thu...ne winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.thu night...n winds 5 to 10 kt. waves 1 ft. 
.fri...n winds 10 to 15 kt. waves 1 to 2 ft. 
.sat...nw winds 10 to 15 kt. waves 1 ft.  

winds and waves higher and visibilities lower in and near tstms.

$$
fzus51 klwx 212357
cwflwx
expires:202609220800;;843624

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt mon sep 21 2026

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.


anz536-220800-
tidal potomac from indian head to cobb island-
757 pm edt mon sep 21 2026

...small craft advisory in effect through late tuesday night...

.tonight...e winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. a
slight chance of showers this evening, then showers with a chance of
tstms after midnight. 
.tue...ne winds 10 to 15 kt with gusts to 25 kt. waves 2 ft. showers
with a chance of tstms. patchy fog. vsby 1 nm or less. 
.tue night...ne winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
rain with a chance of tstms. patchy fog. vsby 1 nm or less. 
.wed...ne winds 15 to 20 kt with gusts to 25 kt. waves 2 ft. rain.
patchy fog. 
.wed night...ne winds 10 to 15 kt with gusts to 25 kt. waves 2 ft. a
chance of rain. 
.thu...ne winds 10 to 15 kt with gusts to 25 kt. waves 2 ft. 
.thu night...n winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.fri...n winds 10 to 15 kt. waves 1 to 2 ft. 
.sat...nw winds 10 to 15 kt. waves 1 ft.  

winds and waves higher and visibilities lower in and near tstms.

$$
fzus51 klwx 212357
cwflwx
expires:202609220800;;843625

coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt mon sep 21 2026

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.


anz537-220800-
tidal potomac from cobb island to smith point-
757 pm edt mon sep 21 2026

...small craft advisory in effect through late tuesday night...
...gale watch in effect from wednesday morning through late
wednesday night...

.tonight...e winds 15 kt with gusts to 20 kt. waves 2 to 3 ft. a
slight chance of showers this evening, then a chance of showers with
a slight chance of tstms after midnight. 
.tue...ne winds 20 to 25 kt. gusts up to 30 kt. waves 3 ft. showers
with a chance of tstms. 
.tue night...ne winds 20 to 25 kt with gusts to 35 kt. waves 5 ft.
rain likely with a chance of tstms. 
.wed...ne winds 20 to 25 kt with gusts to 35 kt. waves 5 ft. rain.
.wed night...ne winds 20 to 25 kt with gusts to 40 kt. waves 5 ft. a
chance of rain. 
.thu...ne winds 20 to 25 kt with gusts to 35 kt. waves 4 ft. 
.thu night...n winds 15 to 20 kt with gusts to 30 kt. waves 3 ft. 
.fri...n winds 15 to 20 kt. waves 3 ft. 
.sat...nw winds 15 to 20 kt. waves 2 to 3 ft.  

winds and waves higher and visibilities lower in and near tstms.

$$
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