fzus51 klwx 221639
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expires:202609230800;;878669

coastal waters forecast
national weather service baltimore md/washington dc
1239 pm edt tue sep 22 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.


anz531-230800-
chesapeake bay from pooles island to sandy point-
1239 pm edt tue sep 22 2026

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

.this afternoon...ne winds 20 kt with gusts to 30 kt. waves 3 ft.
rain with patchy drizzle. patchy fog. vsby 1 to 3 nm. 
.tonight...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
rain with patchy drizzle. patchy fog. vsby 1 to 3 nm. 
.wed...ne winds 15 to 20 kt with gusts to 30 kt. waves 3 ft. a
chance of rain. 
.wed night...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. 
.thu...ne winds 15 to 20 kt. gusts up to 30 kt in the morning. waves
3 ft. 
.thu night...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. 
.fri...n winds 20 to 25 kt. waves 3 ft. 
.sat...n winds 20 to 25 kt. waves 3 ft.  

$$

fzus51 klwx 221639
cwflwx
expires:202609230800;;878672

coastal waters forecast
national weather service baltimore md/washington dc
1239 pm edt tue sep 22 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.


anz532-230800-
chesapeake bay from sandy point to north beach-
1239 pm edt tue sep 22 2026

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

.this afternoon...ne winds 20 kt with gusts to 30 kt. waves 3 ft.
rain with patchy drizzle. patchy fog. vsby 1 to 3 nm. 
.tonight...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
rain with patchy drizzle. patchy fog. vsby 1 to 3 nm. 
.wed...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft. a
chance of rain. 
.wed night...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft. 
.thu...ne winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. 
.thu night...ne 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 3 ft.  

$$

fzus51 klwx 221639
cwflwx
expires:202609230800;;878674

coastal waters forecast
national weather service baltimore md/washington dc
1239 pm edt tue sep 22 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.


anz533-230800-
chesapeake bay from north beach to drum point-
1239 pm edt tue sep 22 2026

...small craft advisory in effect through late tonight...
...gale warning in effect from wednesday morning through late
wednesday night...

.this afternoon...ne winds 20 to 25 kt with gusts to 30 kt. waves
4 ft. rain with possible drizzle and tstms. patchy fog. vsby 1 to
3 nm. 
.tonight...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
rain with patchy drizzle. patchy fog. vsby 1 to 3 nm. 
.wed...ne winds 20 to 25 kt with gusts to 40 kt. waves 4 ft. rain
likely. 
.wed night...ne winds 20 to 25 kt with gusts to 40 kt. waves 5 ft. 
.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...n winds 20 to 25 kt. waves 3 ft.  

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

$$

fzus51 klwx 221639
cwflwx
expires:202609230800;;878677

coastal waters forecast
national weather service baltimore md/washington dc
1239 pm edt tue sep 22 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.


anz534-230800-
chesapeake bay from drum point to smith point-
1239 pm edt tue sep 22 2026

...small craft advisory in effect through late tonight...
...gale warning in effect from wednesday morning through late
wednesday night...

.this afternoon...ne winds 20 to 25 kt with gusts to 30 kt. waves
4 ft. rain with possible tstms and drizzle. patchy fog. vsby 1 to
3 nm. 
.tonight...ne winds 20 to 25 kt with gusts to 30 kt. waves 5 ft.
rain likely with patchy drizzle. patchy fog. vsby 1 to 3 nm. 
.wed...ne winds 20 to 25 kt with gusts to 35 kt. waves 5 ft. a
chance of rain. 
.wed night...ne winds 20 to 25 kt with gusts to 40 kt. waves 5 ft. 
.thu...ne winds 20 to 25 kt with gusts to 35 kt. waves 5 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...n winds 20 to 25 kt. waves 4 ft...subsiding to 3 ft after
midnight.  

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

$$

fzus51 klwx 221639
cwflwx
expires:202609230800;;878665

coastal waters forecast
national weather service baltimore md/washington dc
1239 pm edt tue sep 22 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.


anz535-230800-
tidal potomac from key bridge to indian head-
1239 pm edt tue sep 22 2026

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

.this afternoon...ne winds 10 kt with gusts to 30 kt. waves 1 ft.
rain with possible tstms and drizzle. patchy fog. vsby 1 to 3 nm. 
.tonight...ne winds 5 to 10 kt. gusts up to 30 kt... diminishing to
20 kt late. waves 1 ft. rain with patchy drizzle. patchy fog. vsby
1 to 3 nm. 
.wed...ne winds 10 kt with gusts to 25 kt. waves 1 ft. rain likely. 
.wed night...ne winds 5 to 10 kt with gusts to 25 kt. waves 1 ft. 
.thu...ne winds 10 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 ft. 
.sat...nw winds 10 to 15 kt. waves 1 ft.  

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

$$

fzus51 klwx 221639
cwflwx
expires:202609230800;;878666

coastal waters forecast
national weather service baltimore md/washington dc
1239 pm edt tue sep 22 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.


anz536-230800-
tidal potomac from indian head to cobb island-
1239 pm edt tue sep 22 2026

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

.this afternoon...ne winds 15 kt with gusts to 25 kt. waves 2 ft.
rain with possible tstms and drizzle. patchy fog. vsby 1 to 3 nm. 
.tonight...ne winds 10 to 15 kt with gusts to 30 kt. waves 2 ft.
rain with patchy drizzle. patchy fog. vsby 1 to 3 nm. 
.wed...ne winds 10 to 15 kt with gusts to 25 kt. waves 2 ft. rain.
.wed night...ne winds 15 to 20 kt with gusts to 30 kt. waves 2 ft. 
.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 ft. 
.sat...nw winds 10 to 15 kt. waves 1 to 2 ft.  

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

$$

fzus51 klwx 221639
cwflwx
expires:202609230800;;878667

coastal waters forecast
national weather service baltimore md/washington dc
1239 pm edt tue sep 22 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.


anz537-230800-
tidal potomac from cobb island to smith point-
1239 pm edt tue sep 22 2026

...small craft advisory in effect through late tonight...
...gale warning in effect from wednesday morning through late
wednesday night...

.this afternoon...ne winds 20 kt with gusts to 30 kt. waves 4 ft.
rain with possible tstms and drizzle. patchy fog. vsby 1 to 3 nm. 
.tonight...ne winds 20 to 25 kt with gusts to 30 kt. waves 5 ft.
rain likely with patchy drizzle. patchy fog. vsby 1 to 3 nm. 
.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 40 kt. waves 5 ft. 
.thu...ne winds 15 to 20 kt with gusts to 35 kt. waves 4 ft. 
.thu night...n winds 20 to 25 kt with gusts to 30 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.

$$