fzus51 klwx 221338
cwflwx
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coastal waters forecast
national weather service baltimore md/washington dc
938 am 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.


anz531-222000-
chesapeake bay from pooles island to sandy point-
938 am edt tue sep 22 2026

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

.rest of today...ne winds 20 kt with gusts to 30 kt. waves 3 ft.
patchy drizzle. rain likely. 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 20 to 25 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 20 to 25 kt with gusts to 30 kt. 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 221338
cwflwx
expires:202609222000;;872595

coastal waters forecast
national weather service baltimore md/washington dc
938 am 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.


anz532-222000-
chesapeake bay from sandy point to north beach-
938 am edt tue sep 22 2026

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

.rest of today...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...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 3 ft.  

$$

fzus51 klwx 221338
cwflwx
expires:202609222000;;872597

coastal waters forecast
national weather service baltimore md/washington dc
938 am 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.


anz533-222000-
chesapeake bay from north beach to drum point-
938 am edt tue sep 22 2026

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

.rest of today...ne winds 20 kt with gusts to 30 kt. waves 3 ft. a
slight chance of tstms with patchy drizzle. rain. patchy fog. vsby
1 to 3 nm. 
.tonight...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 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 4 ft. rain
likely. 
.wed night...ne winds 25 to 30 kt. waves 5 ft. 
.thu...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 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...n winds 20 to 25 kt. waves 3 ft.  

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

$$

fzus51 klwx 221338
cwflwx
expires:202609222000;;872600

coastal waters forecast
national weather service baltimore md/washington dc
938 am 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.


anz534-222000-
chesapeake bay from drum point to smith point-
938 am edt tue sep 22 2026

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

.rest of today...ne winds 20 to 25 kt with gusts to 30 kt. waves
3 ft. rain likely with possible tstms and drizzle. patchy fog. vsby
1 to 3 nm. 
.tonight...ne winds 25 to 30 kt. waves 5 ft. rain likely with patchy
drizzle. patchy fog. vsby 1 to 3 nm. 
.wed...ne winds 25 to 30 kt. waves 5 ft. rain likely. 
.wed night...ne winds 25 to 30 kt. waves 5 ft. 
.thu...ne winds 20 to 25 kt with gusts to 30 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...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 221338
cwflwx
expires:202609222000;;872588

coastal waters forecast
national weather service baltimore md/washington dc
938 am 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.


anz535-222000-
tidal potomac from key bridge to indian head-
938 am edt tue sep 22 2026

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

.rest of today...ne winds 10 kt with gusts to 20 kt. waves 1 ft. a
slight chance of tstms with patchy drizzle. rain. patchy fog. vsby
1 to 3 nm. 
.tonight...ne winds 10 to 15 kt with gusts to 20 kt. waves 1 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 1 ft. rain
likely. 
.wed night...ne winds 10 to 15 kt with gusts to 25 kt. waves 1 ft. a
chance of rain. 
.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 221338
cwflwx
expires:202609222000;;872589

coastal waters forecast
national weather service baltimore md/washington dc
938 am 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.


anz536-222000-
tidal potomac from indian head to cobb island-
938 am edt tue sep 22 2026

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

.rest of today...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 15 to 20 kt with gusts to 25 kt. waves 2 ft.
rain with patchy drizzle. patchy fog. vsby 1 to 3 nm. 
.wed...ne winds 15 to 20 kt with gusts to 25 kt. waves 2 ft. rain
likely. 
.wed night...ne winds 15 to 20 kt with gusts to 30 kt. waves 2 ft. a
chance of rain. 
.thu...ne winds 15 to 20 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 221338
cwflwx
expires:202609222000;;872590

coastal waters forecast
national weather service baltimore md/washington dc
938 am 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.


anz537-222000-
tidal potomac from cobb island to smith point-
938 am edt tue sep 22 2026

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

.rest of today...ne winds 15 to 20 kt with gusts to 30 kt. waves
3 ft. a slight chance of tstms with patchy drizzle. rain. 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 25 to 30 kt. waves 5 ft. a chance of rain. 
.thu...ne winds 20 to 25 kt with gusts to 30 kt. waves 4 ft. 
.thu night...n winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. 
.fri...n winds 15 to 20 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.

$$