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 1/21/2026 9:58 PM America/New_York.
Valid through 1/22/2026 4:00 AM America/New_York.
fzus51 klwx 220258
cwflwx
expires:202601220900;;301277
coastal waters forecast
national weather service baltimore md/washington dc
958 pm est wed jan 21 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.
anz531-220900-
chesapeake bay from pooles island to sandy point-
958 pm est wed jan 21 2026
...small craft advisory in effect until 5 am est thursday...
.rest of tonight...sw winds 15 to 20 kt. waves 2 to 3 ft.
.thu...sw winds 10 to 15 kt...becoming w in the afternoon. gusts up
to 20 kt. waves 2 ft.
.thu night...nw winds 5 to 10 kt. waves 1 ft.
.fri...w winds 10 to 15 kt. gusts up to 20 kt in the afternoon.
waves 1 to 2 ft.
.fri night...nw winds 20 to 25 kt. waves 3 ft. a chance of light
freezing spray.
.sat...n winds 15 to 20 kt...diminishing to 5 to 10 kt in the
afternoon. waves 1 to 2 ft.
.sat night...ne winds 10 to 15 kt. gusts up to 20 kt after midnight.
waves 1 to 2 ft. snow. a chance of light freezing spray.
.sun...ne winds 15 to 20 kt...becoming n 10 to 15 kt after midnight.
waves 1 to 2 ft. snow. a chance of snow after midnight.
.mon...nw winds 15 to 20 kt. waves 2 to 3 ft. a chance of snow in
the morning.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 1/21/2026 9:58 PM America/New_York.
Valid through 1/22/2026 4:00 AM America/New_York.
fzus51 klwx 220258
cwflwx
expires:202601220900;;301280
coastal waters forecast
national weather service baltimore md/washington dc
958 pm est wed jan 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-220900-
chesapeake bay from sandy point to north beach-
958 pm est wed jan 21 2026
...small craft advisory in effect until 5 am est thursday...
.rest of tonight...sw winds 15 to 20 kt. waves 3 ft.
.thu...sw winds 10 to 15 kt...becoming w 5 to 10 kt in the
afternoon. waves 1 to 2 ft.
.thu night...nw winds 5 to 10 kt. waves 1 ft.
.fri...nw winds 5 kt...becoming w 10 to 15 kt in the afternoon.
waves 1 ft or less.
.fri night...nw winds 20 to 25 kt with gusts to 30 kt. waves 3 ft. a
chance of light freezing spray.
.sat...n winds 15 to 20 kt...diminishing to 10 kt in the afternoon.
waves 2 to 3 ft. a chance of snow.
.sat night...ne winds 15 to 20 kt. waves 1 to 2 ft. snow. a chance
of light freezing spray.
.sun...ne winds 15 to 20 kt...becoming n 10 to 15 kt after midnight.
waves 2 to 3 ft. snow.
.mon...nw winds 20 to 25 kt. waves 2 to 3 ft. a chance of snow in
the morning.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 1/21/2026 9:58 PM America/New_York.
Valid through 1/22/2026 4:00 AM America/New_York.
fzus51 klwx 220258
cwflwx
expires:202601220900;;301282
coastal waters forecast
national weather service baltimore md/washington dc
958 pm est wed jan 21 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.
anz533-220900-
chesapeake bay from north beach to drum point-
958 pm est wed jan 21 2026
...small craft advisory in effect until 5 am est thursday...
.rest of tonight...sw winds 20 kt. waves 2 to 3 ft.
.thu...sw winds 10 to 15 kt with gusts to 20 kt... becoming w 5 to
10 kt late. waves 1 to 2 ft.
.thu night...n winds 5 kt. waves less than 1 ft.
.fri...n winds 5 kt...becoming w 10 to 15 kt in the afternoon. waves
1 ft.
.fri night...n winds 25 to 30 kt. waves 4 ft. a chance of light
freezing spray.
.sat...n winds 20 to 25 kt...diminishing to 10 to 15 kt in the
afternoon. waves 4 ft...subsiding to 2 ft in the afternoon. a chance
of snow.
.sat night...ne winds 15 to 20 kt. gusts up to 25 kt after midnight.
waves 2 to 3 ft. snow. a chance of light freezing spray.
.sun...ne winds 20 to 25 kt...becoming n 10 to 15 kt after midnight.
waves 2 to 3 ft. snow.
.mon...nw winds 20 to 25 kt. waves 3 ft. a chance of snow in the
morning.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 1/21/2026 9:58 PM America/New_York.
Valid through 1/22/2026 4:00 AM America/New_York.
fzus51 klwx 220258
cwflwx
expires:202601220900;;301285
coastal waters forecast
national weather service baltimore md/washington dc
958 pm est wed jan 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-220900-
chesapeake bay from drum point to smith point-
958 pm est wed jan 21 2026
...small craft advisory in effect until 5 am est thursday...
.rest of tonight...sw winds 15 to 20 kt. waves 3 ft. a slight chance
of rain with vsby 1 to 3 nm.
.thu...sw winds 10 to 15 kt with gusts to 20 kt... becoming w 5 to
10 kt late. waves 2 ft.
.thu night...n winds 5 kt. waves less than 1 ft.
.fri...n winds 5 to 10 kt. waves 1 ft.
.fri night...n winds 25 to 30 kt. waves 4 ft. a chance of light
freezing spray.
.sat...n winds 20 to 25 kt...diminishing to 10 to 15 kt in the
afternoon. waves 3 ft. a chance of snow.
.sat night...ne winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft. snow. a chance of light freezing spray.
.sun...n winds 15 to 20 kt. waves 3 ft. snow. freezing rain and rain
through the night, then a chance of snow after midnight.
.mon...nw winds 20 to 25 kt. waves 3 ft. a chance of snow in the
morning.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 1/21/2026 9:58 PM America/New_York.
Valid through 1/22/2026 4:00 AM America/New_York.
fzus51 klwx 220258
cwflwx
expires:202601220900;;301273
coastal waters forecast
national weather service baltimore md/washington dc
958 pm est wed jan 21 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.
anz535-220900-
tidal potomac from key bridge to indian head-
958 pm est wed jan 21 2026
...small craft advisory in effect until 5 am est thursday...
.rest of tonight...s winds 10 to 15 kt with gusts to 20 kt. waves
1 ft.
.thu...w winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
.thu night...nw winds around 5 kt. waves 1 ft.
.fri...nw winds 5 to 10 kt. waves 1 ft.
.fri night...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of light freezing spray.
.sat...n winds 10 to 15 kt. waves 1 ft. a chance of snow.
.sat night...ne winds 5 to 10 kt. waves 1 ft. snow. a chance of
light freezing spray.
.sun...n winds 5 to 10 kt. waves 1 ft. snow. a chance of snow after
midnight.
.mon...nw winds 10 to 15 kt. waves 1 ft.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 1/21/2026 9:58 PM America/New_York.
Valid through 1/22/2026 4:00 AM America/New_York.
fzus51 klwx 220258
cwflwx
expires:202601220900;;301274
coastal waters forecast
national weather service baltimore md/washington dc
958 pm est wed jan 21 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-220900-
tidal potomac from indian head to cobb island-
958 pm est wed jan 21 2026
...small craft advisory in effect until 5 am est thursday...
.rest of tonight...sw winds 15 kt with gusts to 20 kt. waves 1 ft.
.thu...w winds 5 to 10 kt. waves 1 ft.
.thu night...n winds around 5 kt. waves 1 ft.
.fri...e winds around 5 kt...becoming w in the afternoon. waves
1 ft.
.fri night...n winds 15 to 20 kt with gusts to 25 kt. waves 2 ft. a
chance of light freezing spray.
.sat...n winds 15 to 20 kt...diminishing to 5 to 10 kt in the
afternoon. waves 1 to 2 ft. a chance of snow.
.sat night...ne winds 10 to 15 kt. waves 1 ft. snow. a chance of
light freezing spray.
.sun...n winds 10 to 15 kt...diminishing to 5 to 10 kt after
midnight. waves 1 ft. snow.
.mon...nw winds 10 to 15 kt. waves 1 ft.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 1/21/2026 9:58 PM America/New_York.
Valid through 1/22/2026 4:00 AM America/New_York.
fzus51 klwx 220258
cwflwx
expires:202601220900;;301275
coastal waters forecast
national weather service baltimore md/washington dc
958 pm est wed jan 21 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.
anz537-220900-
tidal potomac from cobb island to smith point-
958 pm est wed jan 21 2026
...small craft advisory in effect until 5 am est thursday...
.rest of tonight...sw winds 15 kt with gusts to 20 kt. waves 2 ft.
.thu...sw winds 10 to 15 kt...becoming w 5 to 10 kt late. waves 1 to
2 ft.
.thu night...n winds around 5 kt. waves 1 ft or less.
.fri...ne winds 5 to 10 kt. waves 1 ft or less.
.fri night...n winds 20 to 25 kt. waves 2 to 3 ft. a chance of light
freezing spray.
.sat...n winds 15 to 20 kt. gusts up to 25 kt in the morning. waves
2 to 3 ft. a chance of snow.
.sat night...ne winds 15 to 20 kt. waves 2 to 3 ft. snow. a chance
of light freezing spray.
.sun...n winds 15 to 20 kt...diminishing to 10 to 15 kt after
midnight. waves 2 to 3 ft. freezing rain and snow, then a chance of
snow after midnight.
.mon...nw winds 15 to 20 kt. waves 2 ft. a chance of snow in the
morning.
$$
|