New iWindsurf: Select your region for wind observations & forecasts:
North America |
Europe |
South America |
Australia & Oceania |
Asia |
Africa
(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/30/2026 2:28 PM America/New_York.
Valid through 5/1/2026 4:00 AM America/New_York.
fzus51 klwx 301828
cwflwx
expires:202605010800;;794766
coastal waters forecast
national weather service baltimore md/washington dc
228 pm edt thu apr 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.
anz531-010800-
chesapeake bay from pooles island to sandy point-
228 pm edt thu apr 30 2026
...small craft advisory in effect through late tonight...
.this afternoon...nw winds 10 to 15 kt with gusts to 25 kt. waves
2 ft.
.tonight...nw winds 10 to 15 kt. gusts up to 25 kt until early
morning. waves 2 ft.
.fri...nw winds 5 to 10 kt...becoming s in the afternoon. waves
1 ft.
.fri night...sw winds 10 kt...becoming nw after midnight. waves
1 ft. a chance of showers.
.sat...nw winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sat night...nw winds 10 to 15 kt. gusts up to 20 kt after midnight.
waves 1 to 2 ft. a chance of showers.
.sun...nw winds 10 to 15 kt...becoming sw 5 kt after midnight. waves
1 to 2 ft.
.mon...s winds 10 to 15 kt. waves 1 to 2 ft.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/30/2026 2:28 PM America/New_York.
Valid through 5/1/2026 4:00 AM America/New_York.
fzus51 klwx 301828
cwflwx
expires:202605010800;;794769
coastal waters forecast
national weather service baltimore md/washington dc
228 pm edt thu apr 30 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-010800-
chesapeake bay from sandy point to north beach-
228 pm edt thu apr 30 2026
...small craft advisory in effect through late tonight...
.this afternoon...nw winds 10 to 15 kt with gusts to 20 kt. waves
1 to 2 ft.
.tonight...nw winds 10 to 15 kt. gusts up to 25 kt until early
morning. waves 2 ft.
.fri...nw winds 5 to 10 kt...becoming se in the afternoon. waves
1 to 2 ft.
.fri night...s winds 10 kt...becoming nw after midnight. waves 1 ft.
a chance of showers.
.sat...n winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sat night...nw winds 5 kt...increasing to 10 to 15 kt with gusts to
20 kt after midnight. waves 1 to 2 ft. a chance of showers.
.sun...nw winds 10 to 15 kt...becoming sw 5 kt after midnight. waves
1 to 2 ft.
.mon...s winds 10 to 15 kt. waves 1 to 2 ft...building to 3 ft after
midnight.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/30/2026 2:28 PM America/New_York.
Valid through 5/1/2026 4:00 AM America/New_York.
fzus51 klwx 301828
cwflwx
expires:202605010800;;794771
coastal waters forecast
national weather service baltimore md/washington dc
228 pm edt thu apr 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.
anz533-010800-
chesapeake bay from north beach to drum point-
228 pm edt thu apr 30 2026
...small craft advisory in effect through late tonight...
.this afternoon...nw winds 10 kt with gusts to 20 kt. waves 2 ft.
.tonight...nw winds 10 to 15 kt with gusts to 25 kt. waves 2 ft.
.fri...nw winds 10 to 15 kt...becoming se 5 to 10 kt in the
afternoon. waves 1 to 2 ft.
.fri night...s winds 10 kt...becoming w after midnight. waves 1 ft.
a chance of showers.
.sat...n winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sat night...nw winds 10 to 15 kt. gusts up to 20 kt after midnight.
waves 1 to 2 ft. a chance of showers.
.sun...nw winds 15 to 20 kt...becoming w 5 to 10 kt. waves 3 ft...
subsiding to 1 ft.
.mon...s winds 15 to 20 kt. waves 1 to 2 ft...building to 3 ft after
midnight.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/30/2026 2:28 PM America/New_York.
Valid through 5/1/2026 4:00 AM America/New_York.
fzus51 klwx 301828
cwflwx
expires:202605010800;;794774
coastal waters forecast
national weather service baltimore md/washington dc
228 pm edt thu apr 30 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-010800-
chesapeake bay from drum point to smith point-
228 pm edt thu apr 30 2026
...small craft advisory in effect through friday morning...
.this afternoon...nw winds 10 kt. waves 2 ft.
.tonight...nw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.fri...nw winds 10 to 15 kt with gusts to 20 kt... diminishing to
5 kt early in the afternoon, then becoming s late. waves 3 ft...
subsiding to 1 ft in the afternoon.
.fri night...s winds 10 to 15 kt...becoming sw after midnight. gusts
up to 20 kt. waves 2 ft. a chance of showers.
.sat...n winds 5 to 10 kt with gusts to 20 kt. waves 2 ft. showers
likely.
.sat night...n winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. a chance of showers.
.sun...nw winds 15 to 20 kt...becoming w 5 to 10 kt. waves 4 ft...
subsiding to 1 to 2 ft. a chance of showers in the morning.
.mon...s winds 15 to 20 kt. waves 2 to 3 ft.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/30/2026 2:28 PM America/New_York.
Valid through 5/1/2026 4:00 AM America/New_York.
fzus51 klwx 301828
cwflwx
expires:202605010800;;794762
coastal waters forecast
national weather service baltimore md/washington dc
228 pm edt thu apr 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.
anz535-010800-
tidal potomac from key bridge to indian head-
228 pm edt thu apr 30 2026
...small craft advisory in effect until 10 pm edt this evening...
.this afternoon...nw winds 15 kt with gusts to 25 kt. waves 1 ft.
.tonight...nw winds 10 to 15 kt with gusts to 25 kt. waves 1 ft.
.fri...nw winds 5 to 10 kt...becoming sw late. waves 1 ft.
.fri night...sw winds 5 to 10 kt...becoming nw after midnight. waves
1 ft. a chance of showers.
.sat...n winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sat night...nw winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sun...nw winds 10 to 15 kt...becoming w around 5 kt. waves 1 ft.
.mon...sw winds 10 to 15 kt. waves 1 ft.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/30/2026 2:28 PM America/New_York.
Valid through 5/1/2026 4:00 AM America/New_York.
fzus51 klwx 301828
cwflwx
expires:202605010800;;794763
coastal waters forecast
national weather service baltimore md/washington dc
228 pm edt thu apr 30 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-010800-
tidal potomac from indian head to cobb island-
228 pm edt thu apr 30 2026
...small craft advisory in effect until 10 pm edt this evening...
.this afternoon...nw winds 10 to 15 kt with gusts to 20 kt. waves
1 ft.
.tonight...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
.fri...nw winds 5 to 10 kt...becoming sw in the afternoon. waves
1 ft.
.fri night...se winds 5 to 10 kt...becoming n after midnight. waves
1 ft. a chance of showers.
.sat...n winds 5 to 10 kt. waves 1 ft. a chance of showers.
.sat night...n winds 5 kt...becoming nw 10 to 15 kt after midnight.
waves 1 ft. a chance of showers.
.sun...nw winds 10 to 15 kt...becoming sw around 5 kt after
midnight. waves 1 ft.
.mon...sw winds 10 to 15 kt. waves 1 ft.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/30/2026 2:28 PM America/New_York.
Valid through 5/1/2026 4:00 AM America/New_York.
fzus51 klwx 301828
cwflwx
expires:202605010800;;794764
coastal waters forecast
national weather service baltimore md/washington dc
228 pm edt thu apr 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.
anz537-010800-
tidal potomac from cobb island to smith point-
228 pm edt thu apr 30 2026
...small craft advisory in effect through late tonight...
.this afternoon...nw winds 10 kt with gusts to 20 kt. waves 2 ft.
.tonight...nw winds 10 to 15 kt with gusts to 25 kt. waves 2 ft.
.fri...nw winds 10 to 15 kt with gusts to 20 kt... becoming se 5 to
10 kt in the afternoon. waves 1 to 2 ft.
.fri night...se winds 10 kt...becoming w after midnight. waves 1 ft.
a chance of showers.
.sat...n winds 5 to 10 kt. waves 1 ft. showers likely.
.sat night...nw winds 10 to 15 kt. gusts up to 20 kt. waves 1 to
2 ft. a chance of showers.
.sun...nw winds 15 to 20 kt...becoming w 5 to 10 kt. waves 3 ft...
subsiding to 1 ft. a chance of showers in the morning.
.mon...sw winds 10 to 15 kt. waves 1 to 2 ft.
$$
|
