fzus51 klwx 300627
cwflwx
expires:202606302000;;149226

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt tue jun 30 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.


anz531-302000-
chesapeake bay from pooles island to sandy point-
227 am edt tue jun 30 2026

...small craft advisory in effect from 2 pm edt this afternoon
through late tonight...

.overnight...s winds 10 kt. waves 1 ft. 
.tue...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.tue night...s winds 15 to 20 kt with gusts to 25 kt. waves 2 ft. 
.wed...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.wed night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.thu...s winds 5 to 10 kt. waves 1 ft. 
.thu night...sw winds 10 to 15 kt. waves 1 to 2 ft. 
.fri...sw winds 5 to 10 kt. waves 1 ft. 
.sat...sw winds 5 to 10 kt. waves 1 ft or less. a chance of showers
and tstms.  

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

$$

fzus51 klwx 300627
cwflwx
expires:202606302000;;149229

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt tue jun 30 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.


anz532-302000-
chesapeake bay from sandy point to north beach-
227 am edt tue jun 30 2026

...small craft advisory in effect from 2 pm edt this afternoon
through late tonight...

.overnight...s winds 10 kt. waves 1 ft. 
.tue...s winds 10 to 15 kt with gusts to 20 kt. waves 1 ft...
building to 3 ft in the afternoon. 
.tue night...s winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.wed...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.wed night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.thu...s winds 10 to 15 kt. waves 1 to 2 ft. 
.thu night...s winds 10 to 15 kt. waves 1 to 2 ft. 
.fri...sw winds 5 to 10 kt. waves 1 ft. 
.sat...sw winds 5 to 10 kt. waves 1 ft or less. a chance of showers
and tstms.  

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

$$

fzus51 klwx 300627
cwflwx
expires:202606302000;;149231

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt tue jun 30 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.


anz533-302000-
chesapeake bay from north beach to drum point-
227 am edt tue jun 30 2026

...small craft advisory in effect from 2 pm edt this afternoon
through late tonight...

.overnight...s winds 10 kt. waves 1 ft. 
.tue...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.tue night...s winds 10 to 15 kt with gusts to 25 kt. waves 3 ft. 
.wed...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.wed night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.thu...s winds 10 to 15 kt. waves 1 to 2 ft. 
.thu night...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft. 
.fri...sw winds 5 to 10 kt. waves 1 ft. 
.sat...sw winds 5 to 10 kt. waves 1 ft or less. a chance of showers
and tstms through the night.  

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

$$

fzus51 klwx 300627
cwflwx
expires:202606302000;;149234

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt tue jun 30 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.


anz534-302000-
chesapeake bay from drum point to smith point-
227 am edt tue jun 30 2026

...small craft advisory in effect from this afternoon through late
tonight...

.overnight...se winds 5 kt. waves less than 1 ft. 
.tue...se winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
waves 1 to 2 ft. 
.tue night...s winds 10 to 15 kt with gusts to 20 kt. waves 3 ft. 
.wed...s winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft. 
.wed night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 to
3 ft. 
.thu...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.thu night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.fri...sw winds 10 to 15 kt. waves 1 to 2 ft. 
.sat...sw winds 5 to 10 kt. waves 1 ft. a chance of showers and
tstms through the night.  

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

$$

fzus51 klwx 300627
cwflwx
expires:202606302000;;149222

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt tue jun 30 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.


anz535-302000-
tidal potomac from key bridge to indian head-
227 am edt tue jun 30 2026

...small craft advisory in effect from this afternoon through late
tonight...

.overnight...s winds 5 kt. waves less than 1 ft. 
.tue...s winds 5 to 10 kt. gusts up to 20 kt in the afternoon. waves
1 ft. 
.tue night...s winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. 
.wed...sw winds 5 kt. waves less than 1 ft. 
.wed night...s winds 5 kt. waves less than 1 ft. 
.thu...sw winds around 5 kt. waves 1 ft. 
.thu night...sw winds around 5 kt. waves 1 ft. 
.fri...w winds around 5 kt. waves 1 ft. 
.sat...w winds around 5 kt. waves 1 ft or less. a chance of showers
and tstms.  

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

$$

fzus51 klwx 300627
cwflwx
expires:202606302000;;149223

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt tue jun 30 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.


anz536-302000-
tidal potomac from indian head to cobb island-
227 am edt tue jun 30 2026

...small craft advisory in effect from 2 pm edt this afternoon
through late tonight...

.overnight...s winds 5 kt. waves less than 1 ft. 
.tue...s winds 5 to 10 kt. gusts up to 20 kt late. waves 1 ft. 
.tue night...s winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. 
.wed...s winds 5 to 10 kt. waves 1 ft. 
.wed night...s winds 5 to 10 kt. waves 1 ft. 
.thu...sw winds around 5 kt. waves 1 ft. 
.thu night...s winds 5 kt. waves less than 1 ft. 
.fri...w winds around 5 kt. waves 1 ft. 
.sat...sw winds around 5 kt. waves 1 ft or less. a chance of showers
and tstms through the night.  

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

$$

fzus51 klwx 300627
cwflwx
expires:202606302000;;149224

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt tue jun 30 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.


anz537-302000-
tidal potomac from cobb island to smith point-
227 am edt tue jun 30 2026

...small craft advisory in effect from 2 pm edt this afternoon
through late tonight...

.overnight...s winds 5 kt. waves less than 1 ft. 
.tue...se winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.tue night...s winds 10 to 15 kt...becoming 10 kt late. gusts up to
20 kt. waves 2 ft. 
.wed...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. 
.wed night...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 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 5 to 10 kt. waves 1 ft. 
.sat...sw winds 5 to 10 kt. waves 1 ft or less. a chance of showers
and tstms through the night.  

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

$$