(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/27/2026 10:57 PM America/New_York.
Valid through 9/28/2026 4:00 AM America/New_York.
fzus51 klwx 280257
cwflwx
expires:202609280800;;169801
coastal waters forecast
national weather service baltimore md/washington dc
1057 pm edt sun sep 27 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.
anz531-280800-
chesapeake bay from pooles island to sandy point-
1057 pm edt sun sep 27 2026
...small craft advisory in effect through monday afternoon...
.rest of tonight...nw winds 10 to 15 kt with gusts to 25 kt. waves
2 to 3 ft. a chance of showers.
.mon...nw winds 5 to 10 kt. gusts up to 20 kt until late afternoon.
waves 1 to 2 ft. a chance of showers.
.mon night...nw winds 5 to 10 kt. waves 1 ft or less.
.tue...nw winds 5 kt. waves flat.
.tue night...w winds around 5 kt. waves flat.
.wed...w winds around 5 kt. waves flat.
.wed night...s winds 5 kt. waves less than 1 ft.
.thu...s winds 5 to 10 kt. waves 1 ft.
.fri...sw winds 5 to 10 kt...becoming n. waves 1 to 2 ft.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/27/2026 10:57 PM America/New_York.
Valid through 9/28/2026 4:00 AM America/New_York.
fzus51 klwx 280257
cwflwx
expires:202609280800;;169804
coastal waters forecast
national weather service baltimore md/washington dc
1057 pm edt sun sep 27 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-280800-
chesapeake bay from sandy point to north beach-
1057 pm edt sun sep 27 2026
...small craft advisory in effect through monday afternoon...
.rest of tonight...nw winds 15 kt with gusts to 25 kt. waves 2 to
3 ft. a chance of showers.
.mon...nw winds 5 to 10 kt. gusts up to 20 kt until late afternoon.
waves 1 to 2 ft. a chance of showers.
.mon night...nw winds 5 to 10 kt. waves 1 ft or less.
.tue...nw winds 5 kt. waves flat.
.tue night...w winds around 5 kt. waves flat.
.wed...nw winds around 5 kt...becoming s in the afternoon. waves
1 ft or less.
.wed night...s winds 5 to 10 kt. waves 1 ft.
.thu...s winds 5 to 10 kt. waves 1 to 2 ft.
.fri...sw winds 5 to 10 kt...becoming n 10 to 15 kt. waves 1 to
2 ft.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/27/2026 10:57 PM America/New_York.
Valid through 9/28/2026 4:00 AM America/New_York.
fzus51 klwx 280257
cwflwx
expires:202609280800;;169806
coastal waters forecast
national weather service baltimore md/washington dc
1057 pm edt sun sep 27 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.
anz533-280800-
chesapeake bay from north beach to drum point-
1057 pm edt sun sep 27 2026
...small craft advisory in effect through monday afternoon...
.rest of tonight...nw winds 15 kt with gusts to 25 kt. waves 2 to
3 ft. a chance of showers.
.mon...nw winds 10 to 15 kt. gusts up to 20 kt until late afternoon.
waves 2 ft. a chance of showers.
.mon night...nw winds 5 to 10 kt. waves 1 ft or less.
.tue...nw winds 5 kt. waves less than 1 ft.
.tue night...w winds around 5 kt. waves flat.
.wed...nw winds 5 kt...becoming s in the afternoon. waves 1 ft or
less.
.wed night...s winds 5 to 10 kt. waves 1 ft.
.thu...s winds 10 to 15 kt. waves 1 to 2 ft.
.fri...sw winds 10 kt...becoming n. waves 1 to 2 ft.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/27/2026 10:57 PM America/New_York.
Valid through 9/28/2026 4:00 AM America/New_York.
fzus51 klwx 280257
cwflwx
expires:202609280800;;169809
coastal waters forecast
national weather service baltimore md/washington dc
1057 pm edt sun sep 27 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-280800-
chesapeake bay from drum point to smith point-
1057 pm edt sun sep 27 2026
...small craft advisory in effect through monday afternoon...
.rest of tonight...nw winds 15 to 20 kt with gusts to 30 kt. waves
3 ft. a slight chance of showers.
.mon...nw winds 10 to 15 kt with gusts to 20 kt. waves 2 to 3 ft.
.mon night...nw winds 5 to 10 kt. waves 1 ft.
.tue...nw winds 5 kt. waves less than 1 ft.
.tue night...sw winds around 5 kt. waves flat.
.wed...sw winds 5 to 10 kt. waves 1 ft or less.
.wed night...s winds 10 kt with gusts to 20 kt. waves 2 ft.
.thu...s winds 10 to 15 kt. waves 1 to 2 ft.
.fri...sw winds 10 kt...becoming n. waves 2 ft. a chance of showers
through the night.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/27/2026 10:57 PM America/New_York.
Valid through 9/28/2026 4:00 AM America/New_York.
fzus51 klwx 280257
cwflwx
expires:202609280800;;169797
coastal waters forecast
national weather service baltimore md/washington dc
1057 pm edt sun sep 27 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.
anz535-280800-
tidal potomac from key bridge to indian head-
1057 pm edt sun sep 27 2026
...small craft advisory in effect until 2 am edt monday...
.rest of tonight...nw winds 5 to 10 kt. waves 1 ft. a chance of
showers late this evening, then a slight chance of showers.
.mon...nw winds 5 kt. waves less than 1 ft.
.mon night...nw winds around 5 kt. waves 1 ft.
.tue...nw winds 5 kt. waves less than 1 ft.
.tue night...nw winds around 5 kt. waves 1 ft or less.
.wed...sw winds around 5 kt. waves 1 ft or less.
.wed night...s winds around 5 kt. waves 1 ft.
.thu...s winds 5 to 10 kt. waves 1 ft.
.fri...w winds 5 to 10 kt...becoming n. waves 1 ft.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/27/2026 10:57 PM America/New_York.
Valid through 9/28/2026 4:00 AM America/New_York.
fzus51 klwx 280257
cwflwx
expires:202609280800;;169798
coastal waters forecast
national weather service baltimore md/washington dc
1057 pm edt sun sep 27 2026
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-280800-
tidal potomac from indian head to cobb island-
1057 pm edt sun sep 27 2026
...small craft advisory in effect until 2 am edt monday...
.rest of tonight...nw winds 10 kt. gusts up to 20 kt late this
evening and early morning. waves 1 ft. a slight chance of showers.
.mon...nw winds 5 to 10 kt. waves 1 ft.
.mon night...nw winds around 5 kt. waves 1 ft.
.tue...nw winds 5 kt. waves less than 1 ft.
.tue night...se winds around 5 kt. waves 1 ft or less.
.wed...s winds around 5 kt. waves 1 ft or less.
.wed night...s winds 5 kt. waves less than 1 ft.
.thu...sw winds 5 to 10 kt. waves 1 ft.
.fri...sw winds 5 to 10 kt...becoming n. waves 1 ft.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/27/2026 10:57 PM America/New_York.
Valid through 9/28/2026 4:00 AM America/New_York.
fzus51 klwx 280257
cwflwx
expires:202609280800;;169799
coastal waters forecast
national weather service baltimore md/washington dc
1057 pm edt sun sep 27 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.
anz537-280800-
tidal potomac from cobb island to smith point-
1057 pm edt sun sep 27 2026
...small craft advisory in effect through monday afternoon...
.rest of tonight...nw winds 10 to 15 kt with gusts to 25 kt. waves
2 to 3 ft. a slight chance of showers.
.mon...nw winds 5 to 10 kt with gusts to 20 kt. waves 1 to 2 ft.
.mon night...nw winds 5 to 10 kt. waves 1 ft or less.
.tue...nw winds around 5 kt. waves flat.
.tue night...s winds around 5 kt. waves flat.
.wed...sw winds around 5 kt...becoming se in the afternoon. waves
1 ft or less.
.wed night...s winds 5 to 10 kt. waves 1 ft.
.thu...sw winds 10 to 15 kt. waves 1 ft.
.fri...sw winds 5 to 10 kt...becoming n 10 to 15 kt. waves 1 to
2 ft. a chance of showers through the night.
$$
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