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(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/17/2026 7:57 PM America/New_York.
Valid through 4/18/2026 4:00 AM America/New_York.
fzus51 klwx 172357
cwflwx
expires:202604180800;;550010
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt fri apr 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-
757 pm edt fri apr 17 2026
...small craft advisory in effect until 8 pm edt this evening...
.tonight...n winds 5 to 10 kt...becoming ne late. waves 1 ft or
less.
.sat...e winds 5 to 10 kt. gusts up to 20 kt in the afternoon. waves
1 ft. patchy fog. vsby 1 to 3 nm.
.sat night...se winds 10 to 15 kt with gusts to 20 kt...becoming ne
5 to 10 kt late. waves 1 to 2 ft. a chance of showers.
.sun...nw winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
showers.
.sun night...nw winds 10 to 15 kt...becoming w 5 to 10 kt after
midnight. waves 1 to 2 ft.
.mon...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.mon night...n winds 10 to 15 kt. waves 1 to 2 ft.
.tue...ne winds 5 kt...becoming s 10 to 15 kt. waves 1 to 2 ft.
.wed...w winds 5 to 10 kt...becoming n. waves 1 ft.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/17/2026 7:57 PM America/New_York.
Valid through 4/18/2026 4:00 AM America/New_York.
fzus51 klwx 172357
cwflwx
expires:202604180800;;550013
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt fri apr 17 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-180800-
chesapeake bay from sandy point to north beach-
757 pm edt fri apr 17 2026
...small craft advisory in effect until 8 pm edt this evening...
.tonight...n winds 5 to 10 kt...becoming ne late. waves 1 ft or
less.
.sat...se winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.sat night...se winds 10 to 15 kt with gusts to 20 kt...becoming ne
5 to 10 kt late. waves 2 to 3 ft. a chance of showers.
.sun...nw winds 15 to 20 kt with gusts to 30 kt. waves 3 ft.
showers.
.sun night...nw winds 10 to 15 kt...becoming w after midnight. waves
1 to 2 ft.
.mon...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.mon night...n winds 10 to 15 kt. waves 1 to 2 ft.
.tue...ne winds 5 to 10 kt...becoming s 10 to 15 kt. waves 1 to
2 ft.
.wed...sw winds 10 to 15 kt...becoming n 5 to 10 kt. waves 1 to
2 ft.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/17/2026 7:57 PM America/New_York.
Valid through 4/18/2026 4:00 AM America/New_York.
fzus51 klwx 172357
cwflwx
expires:202604180800;;550015
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt fri apr 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.
anz533-180800-
chesapeake bay from north beach to drum point-
757 pm edt fri apr 17 2026
...small craft advisory in effect until 8 pm edt this evening...
.tonight...n winds 5 to 10 kt. waves 1 to 2 ft...subsiding to flat
after midnight.
.sat...se winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.sat night...se winds 10 to 15 kt...becoming w late. gusts up to
20 kt. waves 2 to 3 ft. a chance of showers.
.sun...nw winds 20 to 25 kt with gusts to 30 kt. waves 3 ft.
showers.
.sun night...nw winds 5 to 10 kt. waves 1 to 2 ft.
.mon...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.mon night...n winds 10 to 15 kt. waves 1 to 2 ft.
.tue...ne winds 5 to 10 kt...becoming se 10 to 15 kt in the
afternoon and evening, then becoming s after midnight. waves 1 to
2 ft.
.wed...sw winds 10 to 15 kt...becoming n 5 to 10 kt. waves 1 to
2 ft.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/17/2026 7:57 PM America/New_York.
Valid through 4/18/2026 4:00 AM America/New_York.
fzus51 klwx 172357
cwflwx
expires:202604180800;;550018
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt fri apr 17 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-180800-
chesapeake bay from drum point to smith point-
757 pm edt fri apr 17 2026
.tonight...n winds 5 kt. waves less than 1 ft.
.sat...e winds 10 to 15 kt...becoming se with gusts to 20 kt late.
waves 1 to 2 ft.
.sat night...se winds 10 to 15 kt...becoming s late. gusts up to
20 kt. waves 3 ft. a chance of showers.
.sun...nw winds 20 to 25 kt with gusts to 30 kt. waves 4 ft.
showers.
.sun night...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 to
3 ft.
.mon...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.mon night...n winds 10 to 15 kt. waves 2 ft.
.tue...n winds 10 to 15 kt...becoming se 5 to 10 kt in the
afternoon, then becoming s 15 to 20 kt. waves 1 to 2 ft...building
to 3 ft after midnight.
.wed...sw winds 15 to 20 kt...diminishing to 5 to 10 kt in the
afternoon, then becoming n. waves 2 to 3 ft... subsiding to 1 ft.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/17/2026 7:57 PM America/New_York.
Valid through 4/18/2026 4:00 AM America/New_York.
fzus51 klwx 172357
cwflwx
expires:202604180800;;550006
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt fri apr 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.
anz535-180800-
tidal potomac from key bridge to indian head-
757 pm edt fri apr 17 2026
...small craft advisory in effect until 8 pm edt this evening...
.tonight...n winds 5 to 10 kt this evening...becoming light. waves
1 ft or less.
.sat...se winds 5 to 10 kt. gusts up to 20 kt in the afternoon.
waves 1 ft.
.sat night...se winds 5 to 10 kt with gusts to 20 kt...becoming n
late. waves 1 ft. showers likely.
.sun...nw winds 15 to 20 kt with gusts to 30 kt. waves 1 to 2 ft.
showers.
.sun night...nw winds 5 to 10 kt. gusts up to 20 kt in the evening.
waves 1 ft.
.mon...nw winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
.mon night...n winds 5 to 10 kt. waves 1 ft.
.tue...sw winds around 5 kt. waves 1 ft.
.wed...w winds around 5 kt. waves 1 ft.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/17/2026 7:57 PM America/New_York.
Valid through 4/18/2026 4:00 AM America/New_York.
fzus51 klwx 172357
cwflwx
expires:202604180800;;550007
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt fri apr 17 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-180800-
tidal potomac from indian head to cobb island-
757 pm edt fri apr 17 2026
...small craft advisory in effect until 8 pm edt this evening...
.tonight...ne winds 5 to 10 kt...diminishing to around 5 kt after
midnight. waves 1 ft or less.
.sat...e winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
.sat night...se winds 10 to 15 kt...becoming w 5 to 10 kt late.
gusts up to 20 kt. waves 1 to 2 ft. a chance of showers.
.sun...nw winds 20 to 25 kt...diminishing to 10 to 15 kt in the
afternoon. gusts up to 30 kt. waves 2 to 3 ft. showers.
.sun night...nw winds 5 to 10 kt. waves 1 ft.
.mon...nw winds 5 to 10 kt with gusts to 20 kt. waves 1 ft.
.mon night...n winds 5 to 10 kt. waves 1 ft.
.tue...w winds around 5 kt...becoming s. waves 1 ft.
.wed...w winds 5 to 10 kt...becoming nw. waves 1 ft.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/17/2026 7:57 PM America/New_York.
Valid through 4/18/2026 4:00 AM America/New_York.
fzus51 klwx 172357
cwflwx
expires:202604180800;;550008
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt fri apr 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.
anz537-180800-
tidal potomac from cobb island to smith point-
757 pm edt fri apr 17 2026
...small craft advisory in effect until 8 pm edt this evening...
.tonight...n winds 10 kt...becoming e late this evening and
overnight. waves 1 ft or less.
.sat...e winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft.
.sat night...se winds 10 to 15 kt...becoming sw late. gusts up to
20 kt. waves 2 ft. a chance of showers.
.sun...nw winds 15 to 20 kt with gusts to 30 kt. waves 3 ft.
showers.
.sun night...nw winds 5 to 10 kt. waves 1 to 2 ft.
.mon...nw winds 10 to 15 kt. waves 1 to 2 ft.
.mon night...n winds 5 to 10 kt. waves 1 to 2 ft.
.tue...n winds 5 to 10 kt...becoming se 10 to 15 kt in the afternoon
and evening, then becoming sw after midnight. waves 1 to 2 ft.
.wed...w winds 10 to 15 kt...becoming n 5 kt. waves 1 to 2 ft.
$$
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