fzus51 klwx 171830
cwflwx
expires:202603180800;;858155

coastal waters forecast
national weather service baltimore md/washington dc
230 pm edt tue mar 17 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.


anz531-180800-
chesapeake bay from pooles island to sandy point-
230 pm edt tue mar 17 2026

...small craft advisory in effect until 1 am edt wednesday...

.this afternoon...w winds 20 kt with gusts to 25 kt. waves 3 ft.
isolated snow showers. vsby 1 to 3 nm. 
.tonight...nw winds 15 to 20 kt with gusts to 25 kt... diminishing
to 5 to 10 kt late. waves 2 to 3 ft. 
.wed...ne winds 5 kt. waves less than 1 ft. 
.wed night...s winds 5 kt. waves less than 1 ft. 
.thu...s winds 5 to 10 kt. waves 1 ft. 
.thu night...s winds 5 to 10 kt. waves 1 ft. 
.fri...sw winds 10 to 15 kt. waves 1 ft or less. 
.sat...sw winds 10 to 15 kt...becoming s. waves 1 to 2 ft.  

$$

fzus51 klwx 171830
cwflwx
expires:202603180800;;858158

coastal waters forecast
national weather service baltimore md/washington dc
230 pm edt tue mar 17 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.


anz532-180800-
chesapeake bay from sandy point to north beach-
230 pm edt tue mar 17 2026

...small craft advisory in effect until 1 am edt wednesday...

.this afternoon...w winds 15 kt with gusts to 20 kt. waves 2 ft.
isolated snow showers. vsby 1 to 3 nm. 
.tonight...nw winds 15 to 20 kt with gusts to 25 kt... diminishing
to 10 kt late. waves 2 ft. 
.wed...n winds 5 to 10 kt...becoming se in the afternoon. waves 1 ft
or less. 
.wed night...s winds 5 to 10 kt. waves 1 ft. 
.thu...s winds 5 to 10 kt. waves 1 ft. 
.thu night...s winds 5 to 10 kt. waves 1 ft. 
.fri...s winds 5 kt...increasing to 10 to 15 kt. waves 1 ft. 
.sat...sw winds 10 to 15 kt...becoming s 15 to 20 kt. waves 2 ft.  

$$

fzus51 klwx 171529
cwflwx
expires:202603172000;;850004

coastal waters forecast
national weather service baltimore md/washington dc
1129 am edt tue mar 17 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.


anz535-172000-
tidal potomac from key bridge to indian head-
1129 am edt tue mar 17 2026

...small craft advisory in effect until 10 pm edt this evening...

.rest of today...w winds 10 kt with gusts to 20 kt. waves 1 ft. a
slight chance of snow showers this afternoon with vsby 1 to 3 nm. 
.tonight...nw winds 5 to 10 kt. gusts up to 20 kt until early
morning. waves 1 ft. 
.wed...e winds around 5 kt. waves 1 ft. 
.wed night...se winds around 5 kt. waves 1 ft. 
.thu...s winds around 5 kt. waves 1 ft. 
.thu night...s winds around 5 kt. waves 1 ft. 
.fri...sw winds around 5 kt. waves 1 ft. 
.sat...sw winds 5 to 10 kt. waves 1 ft.  

$$

fzus51 klwx 171529
cwflwx
expires:202603172000;;850013

coastal waters forecast
national weather service baltimore md/washington dc
1129 am edt tue mar 17 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.


anz533-172000-
chesapeake bay from north beach to drum point-
1129 am edt tue mar 17 2026

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

.rest of today...w winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. a slight chance of snow showers this afternoon with vsby 1 to
3 nm. 
.tonight...nw winds 15 to 20 kt with gusts to 25 kt. waves 2 ft. 
.wed...n winds 5 to 10 kt...becoming se in the afternoon. waves
1 ft. 
.wed night...s winds 5 to 10 kt. waves 1 ft. 
.thu...s winds 5 to 10 kt. waves 1 ft. 
.thu night...s winds 5 to 10 kt. waves 1 ft. 
.fri...s winds 5 to 10 kt. waves 1 ft. 
.sat...s winds 10 to 15 kt. waves 2 ft.  

$$

fzus51 klwx 171529
cwflwx
expires:202603172000;;850006

coastal waters forecast
national weather service baltimore md/washington dc
1129 am edt tue mar 17 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.


anz537-172000-
tidal potomac from cobb island to smith point-
1129 am edt tue mar 17 2026

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

.rest of today...nw winds 15 kt with gusts to 20 kt. waves 2 ft. a
slight chance of rain and snow showers this afternoon with vsby 1 to
3 nm. 
.tonight...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of snow. 
.wed...n winds 5 to 10 kt...becoming se in the afternoon. waves
1 ft. 
.wed night...se winds 5 kt. waves less than 1 ft. 
.thu...se winds 5 to 10 kt. waves 1 ft or less. 
.thu night...s winds 5 to 10 kt. waves 1 ft. 
.fri...s winds 5 to 10 kt. waves 1 ft or less. 
.sat...s winds 10 to 15 kt. waves 1 ft.  

$$

fzus51 klwx 171529
cwflwx
expires:202603172000;;850005

coastal waters forecast
national weather service baltimore md/washington dc
1129 am edt tue mar 17 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.


anz536-172000-
tidal potomac from indian head to cobb island-
1129 am edt tue mar 17 2026

...small craft advisory in effect until 10 pm edt this evening...

.rest of today...w winds 15 kt with gusts to 20 kt. waves 1 ft. a
chance of snow showers this afternoon with vsby 1 to 3 nm. 
.tonight...nw winds 10 to 15 kt. gusts up to 20 kt until early
morning. waves 1 ft. a chance of snow. 
.wed...e winds around 5 kt. waves 1 ft. 
.wed night...se winds 5 kt. waves less than 1 ft. 
.thu...s winds 5 kt. waves less than 1 ft. 
.thu night...s winds around 5 kt. waves 1 ft. 
.fri...s winds 5 to 10 kt. waves 1 ft. 
.sat...sw winds 5 to 10 kt. waves 1 ft.  

$$

fzus51 klwx 171529
cwflwx
expires:202603172000;;850016

coastal waters forecast
national weather service baltimore md/washington dc
1129 am edt tue mar 17 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.


anz534-172000-
chesapeake bay from drum point to smith point-
1129 am edt tue mar 17 2026

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

.rest of today...nw winds 15 kt with gusts to 20 kt. waves 2 to
3 ft. a slight chance of snow showers this afternoon with vsby 1 to
3 nm. 
.tonight...nw winds 15 to 20 kt. waves 2 to 3 ft. a chance of snow. 
.wed...n winds 10 to 15 kt...becoming se 5 kt in the afternoon.
waves 1 to 2 ft. 
.wed night...se winds 5 kt. waves less than 1 ft. 
.thu...se winds 5 to 10 kt. waves 1 ft. 
.thu night...s winds 5 to 10 kt. waves 1 ft. 
.fri...s winds 5 to 10 kt. waves 1 to 2 ft. 
.sat...s winds 10 to 15 kt. waves 2 ft.  

$$