fzus51 klwx 271827
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expires:202609280800;;150746

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sun sep 27 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.


anz531-280800-
chesapeake bay from pooles island to sandy point-
227 pm edt sun sep 27 2026

...small craft advisory in effect through late tonight...

.this afternoon...nw winds 20 kt with gusts to 30 kt. waves 3 ft.
scattered showers. patchy fog. vsby 1 to 3 nm. 
.tonight...nw winds 15 to 20 kt. gusts up to 30 kt... diminishing to
20 kt late. waves 3 ft. scattered showers. patchy fog. vsby 1 to
3 nm. 
.mon...nw winds 5 to 10 kt. gusts up to 20 kt until late afternoon.
waves 1 to 2 ft. 
.mon night...nw winds 5 to 10 kt. waves 1 ft or less. 
.tue...nw winds 5 kt. waves flat. 
.tue night...w winds around 5 kt. waves flat. 
.wed...s winds around 5 kt. waves 1 ft or less. 
.thu...s winds 5 to 10 kt. waves 1 ft.  

$$

fzus51 klwx 271827
cwflwx
expires:202609280800;;150749

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sun sep 27 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.


anz532-280800-
chesapeake bay from sandy point to north beach-
227 pm edt sun sep 27 2026

...small craft advisory in effect through late tonight...

.this afternoon...nw winds 20 kt with gusts to 30 kt. waves 3 ft.
numerous showers. 
.tonight...nw winds 15 to 20 kt. gusts up to 30 kt... diminishing to
20 kt late. waves 2 to 3 ft. scattered showers. patchy fog. vsby
1 to 3 nm. 
.mon...nw winds 5 to 10 kt. gusts up to 20 kt until late afternoon.
waves 1 to 2 ft. 
.mon night...nw winds 5 to 10 kt. waves 1 ft or less. 
.tue...nw winds 5 kt. waves flat. 
.tue night...w winds around 5 kt. waves flat. 
.wed...nw winds around 5 kt...becoming s. waves 1 ft or less. 
.thu...s winds 5 to 10 kt. waves 1 to 2 ft.  

$$

fzus51 klwx 271827
cwflwx
expires:202609280800;;150751

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sun sep 27 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.


anz533-280800-
chesapeake bay from north beach to drum point-
227 pm edt sun sep 27 2026

...small craft advisory in effect through late tonight...

.this afternoon...nw winds 20 kt with gusts to 30 kt. waves 4 ft.
numerous showers. 
.tonight...nw winds 15 to 20 kt. gusts up to 30 kt... diminishing to
20 kt late. waves 3 ft. scattered showers. patchy fog. vsby 1 to
3 nm. 
.mon...nw winds 10 to 15 kt. gusts up to 20 kt until late afternoon.
waves 2 ft. 
.mon night...nw winds 5 to 10 kt. waves 1 ft or less. 
.tue...nw winds 5 kt. waves less than 1 ft. 
.tue night...w winds around 5 kt. waves flat. 
.wed...nw winds 5 kt...becoming s. waves 1 ft or less. 
.thu...s winds 10 to 15 kt. waves 1 to 2 ft.  

$$

fzus51 klwx 271827
cwflwx
expires:202609280800;;150754

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sun sep 27 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.


anz534-280800-
chesapeake bay from drum point to smith point-
227 pm edt sun sep 27 2026

...small craft advisory in effect through late tonight...

.this afternoon...nw winds 20 kt with gusts to 30 kt. waves 4 ft.
scattered showers. 
.tonight...nw winds 15 to 20 kt. gusts up to 30 kt. waves 5 ft...
subsiding to 3 ft after midnight. 
.mon...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft. 
.mon night...nw winds 5 to 10 kt. waves 1 ft. 
.tue...nw winds 5 kt. waves less than 1 ft. 
.tue night...sw winds around 5 kt. waves flat. 
.wed...s winds 5 to 10 kt. waves 1 ft or less... building to 2 ft. 
.thu...s winds 10 to 15 kt. waves 1 to 2 ft.  

$$

fzus51 klwx 271827
cwflwx
expires:202609280800;;150742

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sun sep 27 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.


anz535-280800-
tidal potomac from key bridge to indian head-
227 pm edt sun sep 27 2026

...small craft advisory in effect until 2 am edt monday...

.this afternoon...nw winds 10 kt with gusts to 20 kt. waves 1 ft.
numerous showers. 
.tonight...nw winds 5 to 10 kt. gusts up to 20 kt in the evening.
waves 1 ft. 
.mon...nw winds 5 kt. waves less than 1 ft. 
.mon night...nw winds around 5 kt. waves 1 ft. 
.tue...nw winds 5 kt. waves less than 1 ft. 
.tue night...nw winds around 5 kt. waves 1 ft or less.
.wed...s winds around 5 kt. waves 1 ft or less. 
.thu...s winds 5 to 10 kt. waves 1 ft.  

$$

fzus51 klwx 271827
cwflwx
expires:202609280800;;150743

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sun sep 27 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.


anz536-280800-
tidal potomac from indian head to cobb island-
227 pm edt sun sep 27 2026

...small craft advisory in effect until 2 am edt monday...

.this afternoon...nw winds 15 kt with gusts to 25 kt. waves 1 ft.
scattered showers. 
.tonight...nw winds 10 to 15 kt. gusts up to 20 kt until early
morning. waves 1 ft. 
.mon...nw winds 5 to 10 kt. waves 1 ft. 
.mon night...nw winds around 5 kt. waves 1 ft. 
.tue...nw winds 5 kt. waves less than 1 ft. 
.tue night...se winds around 5 kt. waves 1 ft or less.
.wed...s winds around 5 kt. waves 1 ft or less. 
.thu...sw winds 5 to 10 kt. waves 1 ft.  

$$

fzus51 klwx 271827
cwflwx
expires:202609280800;;150744

coastal waters forecast
national weather service baltimore md/washington dc
227 pm edt sun sep 27 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.


anz537-280800-
tidal potomac from cobb island to smith point-
227 pm edt sun sep 27 2026

...small craft advisory in effect through late tonight...

.this afternoon...nw winds 20 kt with gusts to 30 kt. waves 3 ft.
scattered showers. 
.tonight...nw winds 15 to 20 kt with gusts to 30 kt... diminishing
to 10 kt with gusts to 20 kt late. waves 2 to 3 ft. 
.mon...nw winds 5 to 10 kt with gusts to 20 kt. waves 1 to 2 ft. 
.mon night...nw winds 5 to 10 kt. waves 1 ft or less. 
.tue...nw winds around 5 kt. waves flat. 
.tue night...s winds around 5 kt. waves flat. 
.wed...sw winds around 5 kt...becoming s. waves 1 ft or less. 
.thu...sw winds 10 to 15 kt. waves 1 ft.  

$$