fzus51 klwx 200627
cwflwx
expires:202610202000;;869448

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt tue oct 20 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.


anz531-202000-
chesapeake bay from pooles island to sandy point-
227 am edt tue oct 20 2026

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

.overnight...n winds 15 kt with gusts to 20 kt. waves 2 ft. 
.tue...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.tue night...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. 
.wed...n winds 15 to 20 kt...diminishing to 10 kt in the afternoon.
waves 2 to 3 ft. 
.wed night...n winds 10 to 15 kt. waves 2 ft. 
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.thu night...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. 
.fri...n winds 15 to 20 kt...becoming ne 5 to 10 kt. waves 2 to
3 ft...subsiding to 1 ft. 
.sat...ne winds 5 to 10 kt. waves 1 ft or less.  

$$

fzus51 klwx 200627
cwflwx
expires:202610202000;;869451

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt tue oct 20 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.


anz532-202000-
chesapeake bay from sandy point to north beach-
227 am edt tue oct 20 2026

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

.overnight...n winds 15 kt with gusts to 20 kt. waves 2 ft. 
.tue...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.tue night...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.wed...n winds 15 to 20 kt. gusts up to 25 kt in the morning. waves
2 to 3 ft. 
.wed night...n winds 10 to 15 kt. waves 1 to 2 ft. 
.thu...n winds 10 to 15 kt. waves 2 ft. 
.thu night...n winds 20 to 25 kt. waves 2 to 3 ft. 
.fri...n winds 15 to 20 kt...becoming ne 10 to 15 kt. waves 2 to
3 ft...subsiding to 1 ft. 
.sat...ne winds 5 to 10 kt. waves 1 ft or less.  

$$

fzus51 klwx 200627
cwflwx
expires:202610202000;;869453

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt tue oct 20 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.


anz533-202000-
chesapeake bay from north beach to drum point-
227 am edt tue oct 20 2026

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

.overnight...n winds 15 to 20 kt. waves 2 to 3 ft. 
.tue...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.tue night...n winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. 
.wed...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.wed night...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.thu night...n winds 20 to 25 kt. waves 3 ft. 
.fri...n winds 15 to 20 kt...becoming ne 10 to 15 kt. waves 3 ft...
subsiding to 2 ft. 
.sat...ne winds 10 to 15 kt...diminishing to 5 kt. waves 1 to 2 ft. 

$$

fzus51 klwx 200627
cwflwx
expires:202610202000;;869456

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt tue oct 20 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.


anz534-202000-
chesapeake bay from drum point to smith point-
227 am edt tue oct 20 2026

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

.overnight...n winds 20 kt with gusts to 25 kt. waves 3 ft. 
.tue...n winds 15 to 20 kt with gusts to 30 kt. waves 4 ft. 
.tue night...n winds 20 to 25 kt with gusts to 30 kt. waves 4 ft. 
.wed...n winds 20 to 25 kt...diminishing to 15 kt in the afternoon.
waves 3 ft. 
.wed night...n winds 10 to 15 kt with gusts to 20 kt. waves 3 ft. 
.thu...n winds 15 to 20 kt. waves 3 ft. 
.thu night...n winds 10 to 15 kt...increasing to 20 to 25 kt after
midnight. waves 3 ft. 
.fri...ne winds 15 to 20 kt. waves 3 ft...subsiding to 2 ft. 
.sat...ne winds 10 to 15 kt. waves 1 to 2 ft.  

$$

fzus51 klwx 200627
cwflwx
expires:202610202000;;869444

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt tue oct 20 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.


anz535-202000-
tidal potomac from key bridge to indian head-
227 am edt tue oct 20 2026

...small craft advisory in effect from 8 am edt this morning through
this afternoon...

.overnight...n winds 10 kt. waves 1 ft. 
.tue...n winds 5 to 10 kt with gusts to 20 kt. waves 1 ft. 
.tue night...n winds 5 to 10 kt. waves 1 ft. 
.wed...n winds 5 to 10 kt. waves 1 ft. 
.wed night...n winds 5 kt. waves less than 1 ft. 
.thu...nw winds 5 to 10 kt. waves 1 ft. 
.thu night...n winds 5 to 10 kt. waves 1 ft. 
.fri...ne winds 5 to 10 kt. waves 1 ft. 
.sat...ne winds around 5 kt. waves 1 ft or less.  

$$

fzus51 klwx 200627
cwflwx
expires:202610202000;;869445

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt tue oct 20 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.


anz536-202000-
tidal potomac from indian head to cobb island-
227 am edt tue oct 20 2026

...small craft advisory in effect from 8 am edt this morning through
this afternoon...

.overnight...n winds 10 kt. waves 1 ft. 
.tue...n winds 10 to 15 kt with gusts to 20 kt. waves 1 ft. 
.tue night...n winds 10 kt with gusts to 20 kt. waves 1 ft. 
.wed...n winds 5 to 10 kt. waves 1 ft. 
.wed night...n winds 5 to 10 kt. waves 1 ft. 
.thu...n winds 5 to 10 kt. waves 1 ft. 
.thu night...n winds 10 to 15 kt. waves 1 ft. 
.fri...n winds 10 to 15 kt...becoming ne 5 kt. waves 1 ft. 
.sat...ne winds around 5 kt. waves 1 ft.  

$$

fzus51 klwx 200627
cwflwx
expires:202610202000;;869446

coastal waters forecast
national weather service baltimore md/washington dc
227 am edt tue oct 20 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.


anz537-202000-
tidal potomac from cobb island to smith point-
227 am edt tue oct 20 2026

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

.overnight...n winds 15 kt with gusts to 20 kt. waves 2 ft. 
.tue...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft. 
.tue night...n winds 15 to 20 kt with gusts to 30 kt. waves 3 ft. 
.wed...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft. 
.wed night...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.thu...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. 
.thu night...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. 
.fri...n winds 15 to 20 kt...becoming ne 5 to 10 kt. waves 2 to
3 ft. 
.sat...ne winds 5 to 10 kt. waves 1 to 2 ft.  

$$