(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/19/2026 7:58 PM America/New_York.
Valid through 4/20/2026 4:00 AM America/New_York.
fzus51 klwx 192358
cwflwx
expires:202604200800;;662104
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt sun apr 19 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.
anz531-200800-
chesapeake bay from pooles island to sandy point-
757 pm edt sun apr 19 2026
...small craft advisory in effect until 10 pm edt this evening...
...small craft advisory in effect from 6 am edt monday through
monday evening...
.tonight...nw winds 10 to 15 kt with gusts to 20 kt... becoming sw
late. waves 1 to 2 ft. scattered sprinkles after midnight.
.mon...nw winds 15 to 20 kt with gusts to 25 kt. waves 2 ft.
scattered sprinkles.
.mon night...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.tue...n winds 5 to 10 kt...becoming s in the afternoon. waves 1 ft.
.tue night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft. a
chance of showers.
.wed...sw winds 5 to 10 kt. waves 1 to 2 ft. a chance of showers.
.wed night...nw winds around 5 kt. waves 1 ft or less.
.thu...w winds around 5 kt. waves flat.
.fri...se winds 5 to 10 kt. waves 1 ft or less. a chance of showers
after midnight.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/19/2026 7:58 PM America/New_York.
Valid through 4/20/2026 4:00 AM America/New_York.
fzus51 klwx 192358
cwflwx
expires:202604200800;;662107
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt sun apr 19 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-200800-
chesapeake bay from sandy point to north beach-
757 pm edt sun apr 19 2026
...small craft advisory in effect until midnight edt tonight...
...small craft advisory in effect from 6 am edt monday through late
monday night...
.tonight...nw winds 15 kt with gusts to 20 kt... becoming sw after
midnight. waves 1 to 2 ft. scattered sprinkles after midnight.
.mon...nw winds 15 to 20 kt. waves 2 ft. scattered sprinkles.
.mon night...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.tue...n winds 5 to 10 kt...becoming se in the afternoon. waves
1 ft.
.tue night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.wed...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. a
chance of showers.
.wed night...nw winds 5 to 10 kt. waves 1 ft or less.
.thu...n winds 5 kt. waves less than 1 ft.
.fri...ne winds 5 kt...becoming se. waves 1 ft or less.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/19/2026 7:58 PM America/New_York.
Valid through 4/20/2026 4:00 AM America/New_York.
fzus51 klwx 192358
cwflwx
expires:202604200800;;662109
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt sun apr 19 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.
anz533-200800-
chesapeake bay from north beach to drum point-
757 pm edt sun apr 19 2026
...small craft advisory in effect until midnight edt tonight...
...small craft advisory in effect from 6 am edt monday through late
monday night...
.tonight...nw winds 15 kt with gusts to 20 kt... becoming sw after
midnight. waves 1 to 2 ft. scattered sprinkles after midnight.
.mon...nw winds 15 to 20 kt with gusts to 25 kt. waves 2 to 3 ft.
scattered sprinkles.
.mon night...n winds 15 to 20 kt. waves 2 to 3 ft.
.tue...n winds 5 to 10 kt...becoming se in the afternoon. waves 1 to
2 ft.
.tue night...s winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.wed...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. a
chance of showers.
.wed night...nw winds 5 to 10 kt. waves 1 ft.
.thu...n winds 5 kt. waves less than 1 ft.
.fri...ne winds 5 kt...becoming se. waves 1 ft or less.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/19/2026 7:58 PM America/New_York.
Valid through 4/20/2026 4:00 AM America/New_York.
fzus51 klwx 192358
cwflwx
expires:202604200800;;662112
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt sun apr 19 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-200800-
chesapeake bay from drum point to smith point-
757 pm edt sun apr 19 2026
...small craft advisory in effect until midnight edt tonight...
...small craft advisory in effect from 6 am edt monday through late
monday night...
.tonight...nw winds 10 to 15 kt...becoming sw late. gusts up to
20 kt. waves 2 to 3 ft...subsiding to 1 ft late.
.mon...nw winds 15 to 20 kt. gusts up to 25 kt. waves 3 ft.
scattered sprinkles.
.mon night...n winds 15 to 20 kt with gusts to 25 kt. waves 3 ft.
.tue...n winds 10 to 15 kt...becoming se 5 to 10 kt in the
afternoon. waves 1 to 2 ft.
.tue night...s winds 15 to 20 kt with gusts to 25 kt. waves 2 to
3 ft.
.wed...sw winds 15 to 20 kt. gusts up to 25 kt in the morning. waves
2 to 3 ft. a chance of showers.
.wed night...nw winds 5 to 10 kt. waves 1 ft.
.thu...n winds 5 to 10 kt...becoming s. waves 1 ft.
.fri...ne winds 5 to 10 kt...becoming se 10 to 15 kt. waves 1 to
2 ft.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/19/2026 7:58 PM America/New_York.
Valid through 4/20/2026 4:00 AM America/New_York.
fzus51 klwx 192358
cwflwx
expires:202604200800;;662100
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt sun apr 19 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.
anz535-200800-
tidal potomac from key bridge to indian head-
757 pm edt sun apr 19 2026
...small craft advisory in effect until 10 pm edt this evening...
...small craft advisory in effect from 6 am edt monday through
monday evening...
.tonight...nw winds 10 kt with gusts to 20 kt... becoming sw after
midnight. waves 1 ft. scattered sprinkles after midnight.
.mon...nw winds 10 to 15 kt with gusts to 25 kt. waves 1 ft.
scattered sprinkles.
.mon night...n winds 5 to 10 kt. gusts up to 20 kt in the evening.
waves 1 ft.
.tue...w winds 5 kt. waves less than 1 ft.
.tue night...s winds 5 to 10 kt. waves 1 ft.
.wed...sw winds 5 to 10 kt. waves 1 ft. a chance of showers.
.wed night...nw winds around 5 kt. waves 1 ft.
.thu...nw winds around 5 kt. waves 1 ft.
.fri...se winds around 5 kt. waves 1 ft.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/19/2026 7:58 PM America/New_York.
Valid through 4/20/2026 4:00 AM America/New_York.
fzus51 klwx 192358
cwflwx
expires:202604200800;;662101
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt sun apr 19 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-200800-
tidal potomac from indian head to cobb island-
757 pm edt sun apr 19 2026
...small craft advisory in effect until 10 pm edt this evening...
...small craft advisory in effect from 6 am edt monday through
monday evening...
.tonight...nw winds 10 to 15 kt with gusts to 20 kt... becoming sw
5 to 10 kt after midnight. waves 1 ft. scattered sprinkles after
midnight.
.mon...nw winds 10 to 15 kt with gusts to 20 kt. waves 1 ft.
scattered sprinkles.
.mon night...n winds 10 to 15 kt. gusts up to 20 kt in the evening.
waves 1 ft.
.tue...w winds 5 kt. waves less than 1 ft.
.tue night...s winds 5 to 10 kt. waves 1 ft.
.wed...sw winds 5 to 10 kt. waves 1 ft. a chance of showers.
.wed night...nw winds around 5 kt. waves 1 ft.
.thu...nw winds around 5 kt. waves 1 ft.
.fri...s winds around 5 kt. waves 1 ft.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 4/19/2026 7:58 PM America/New_York.
Valid through 4/20/2026 4:00 AM America/New_York.
fzus51 klwx 192358
cwflwx
expires:202604200800;;662102
coastal waters forecast
national weather service baltimore md/washington dc
757 pm edt sun apr 19 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.
anz537-200800-
tidal potomac from cobb island to smith point-
757 pm edt sun apr 19 2026
...small craft advisory in effect until midnight edt tonight...
...small craft advisory in effect from 6 am edt monday through late
monday night...
.tonight...nw winds 10 to 15 kt with gusts to 20 kt... becoming sw
late. waves 1 to 2 ft.
.mon...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
scattered sprinkles.
.mon night...n winds 10 to 15 kt with gusts to 20 kt. waves 2 ft.
.tue...n winds 5 to 10 kt...becoming se in the afternoon. waves
1 ft.
.tue night...s winds 10 to 15 kt with gusts to 20 kt. waves 1 to
2 ft.
.wed...sw winds 10 to 15 kt with gusts to 20 kt. waves 1 to 2 ft. a
chance of showers.
.wed night...nw winds around 5 kt. waves 1 ft or less.
.thu...ne winds 5 kt. waves less than 1 ft.
.fri...n winds 5 kt...becoming se. waves 1 ft or less.
$$
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