(1/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/17/2025 1:36 PM America/New_York.
Valid through 9/18/2025 4:00 AM America/New_York.
fzus51 klwx 171736
cwflwx
expires:202509180800;;145531
coastal waters forecast
national weather service baltimore md/washington dc
136 pm edt wed sep 17 2025
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-
136 pm edt wed sep 17 2025
...small craft advisory in effect until 6 pm edt this evening...
.this afternoon...ne winds 15 kt with gusts to 20 kt. waves 2 ft.
showers likely. vsby 1 to 3 nm.
.tonight...ne winds 10 to 15 kt. gusts up to 20 kt in the evening.
waves 1 to 2 ft. a chance of showers. patchy fog. vsby 1 to 3 nm.
.thu...n winds 5 to 10 kt...becoming sw late. waves 1 ft.
.thu night...sw winds 5 kt. waves less than 1 ft.
.fri...nw winds 5 kt. waves less than 1 ft.
.fri night...ne winds 5 to 10 kt. waves 1 ft.
.sat...e winds 5 to 10 kt. waves 1 to 2 ft.
.sun...e winds 5 to 10 kt. waves 1 ft.
$$
(2/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/17/2025 1:36 PM America/New_York.
Valid through 9/18/2025 4:00 AM America/New_York.
fzus51 klwx 171736
cwflwx
expires:202509180800;;145534
coastal waters forecast
national weather service baltimore md/washington dc
136 pm edt wed sep 17 2025
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz532-180800-
chesapeake bay from sandy point to north beach-
136 pm edt wed sep 17 2025
...small craft advisory in effect until 6 pm edt this evening...
.this afternoon...ne winds 10 to 15 kt. waves 2 ft. a chance of
showers. vsby 1 to 3 nm.
.tonight...ne winds 5 to 10 kt. waves 1 to 2 ft. a chance of
showers. patchy fog. vsby 1 to 3 nm.
.thu...n winds 5 to 10 kt. waves 1 ft.
.thu night...sw winds 5 to 10 kt. waves 1 ft.
.fri...nw winds 5 kt. waves less than 1 ft.
.fri night...se winds 5 kt...becoming ne after midnight. waves 1 ft
or less.
.sat...e winds 10 kt. waves 1 ft.
.sun...e winds 5 to 10 kt. waves 1 ft.
$$
(3/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/17/2025 1:36 PM America/New_York.
Valid through 9/18/2025 4:00 AM America/New_York.
fzus51 klwx 171736
cwflwx
expires:202509180800;;145536
coastal waters forecast
national weather service baltimore md/washington dc
136 pm edt wed sep 17 2025
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-
136 pm edt wed sep 17 2025
...small craft advisory in effect until 6 pm edt this evening...
.this afternoon...ne winds 10 kt. waves 2 ft. a chance of showers.
patchy fog. vsby 1 to 3 nm.
.tonight...ne winds 5 to 10 kt. waves 1 to 2 ft. a chance of
showers. patchy fog. vsby 1 to 3 nm.
.thu...n winds 5 to 10 kt. waves 1 ft.
.thu night...sw winds 5 to 10 kt. waves 1 ft.
.fri...nw winds 5 to 10 kt. waves 1 ft or less.
.fri night...se winds 5 kt...becoming ne after midnight. waves 1 ft
or less.
.sat...ne winds 10 to 15 kt. waves 1 to 2 ft.
.sun...e winds 5 to 10 kt. waves 1 ft.
$$
(4/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/17/2025 1:36 PM America/New_York.
Valid through 9/18/2025 4:00 AM America/New_York.
fzus51 klwx 171736
cwflwx
expires:202509180800;;145539
coastal waters forecast
national weather service baltimore md/washington dc
136 pm edt wed sep 17 2025
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz534-180800-
chesapeake bay from drum point to smith point-
136 pm edt wed sep 17 2025
.this afternoon...se winds 10 kt. waves 1 to 2 ft. a chance of
showers.
.tonight...e winds 5 kt...becoming n late. waves 1 ft. a chance of
showers.
.thu...nw winds 5 to 10 kt. waves 1 ft.
.thu night...sw winds 5 to 10 kt. waves 1 ft.
.fri...w winds 5 to 10 kt. waves 1 ft.
.fri night...s winds 5 kt...becoming n after midnight. waves 1 ft or
less.
.sat...ne winds 10 to 15 kt. waves 1 to 2 ft.
.sun...e winds 5 to 10 kt. waves 1 to 2 ft.
$$
(5/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/17/2025 1:36 PM America/New_York.
Valid through 9/18/2025 4:00 AM America/New_York.
fzus51 klwx 171736
cwflwx
expires:202509180800;;145527
coastal waters forecast
national weather service baltimore md/washington dc
136 pm edt wed sep 17 2025
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-
136 pm edt wed sep 17 2025
.this afternoon...n winds 10 kt with gusts to 20 kt. waves 1 ft. a
chance of showers. patchy fog. vsby 1 to 3 nm.
.tonight...n winds 5 to 10 kt. waves 1 ft. patchy fog. vsby 1 to
3 nm.
.thu...nw winds around 5 kt. waves 1 ft.
.thu night...sw winds around 5 kt. waves 1 ft.
.fri...nw winds around 5 kt. waves 1 ft.
.fri night...n winds around 5 kt. waves 1 ft.
.sat...e winds 5 kt. waves less than 1 ft.
.sun...e winds around 5 kt. waves 1 ft.
$$
(6/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/17/2025 1:36 PM America/New_York.
Valid through 9/18/2025 4:00 AM America/New_York.
fzus51 klwx 171736
cwflwx
expires:202509180800;;145528
coastal waters forecast
national weather service baltimore md/washington dc
136 pm edt wed sep 17 2025
tidal potomac river and maryland portion of chesapeake bay.
forecasts of wave heights do not include effects of wind direction
relative to tidal currents. expect higher waves when winds are
blowing against the tidal flow. waves flat where waters are iced over.
anz536-180800-
tidal potomac from indian head to cobb island-
136 pm edt wed sep 17 2025
.this afternoon...ne winds 10 kt. waves 1 ft. a chance of showers.
patchy fog. vsby 1 to 3 nm.
.tonight...n winds 5 to 10 kt. waves 1 ft. a chance of showers.
patchy fog. vsby 1 to 3 nm.
.thu...nw winds around 5 kt. waves 1 ft.
.thu night...sw winds around 5 kt. waves 1 ft.
.fri...nw winds around 5 kt. waves 1 ft.
.fri night...se winds around 5 kt. waves 1 ft.
.sat...e winds 5 to 10 kt. waves 1 ft.
.sun...e winds 5 to 10 kt. waves 1 ft.
$$
(7/7)
Latest Coastal Waters Forecast by KLWX
Issued 9/17/2025 1:36 PM America/New_York.
Valid through 9/18/2025 4:00 AM America/New_York.
fzus51 klwx 171736
cwflwx
expires:202509180800;;145529
coastal waters forecast
national weather service baltimore md/washington dc
136 pm edt wed sep 17 2025
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-
136 pm edt wed sep 17 2025
.this afternoon...e winds 10 kt. waves 1 to 2 ft. a chance of
showers. vsby 1 to 3 nm.
.tonight...ne winds 5 kt. waves less than 1 ft. a chance of showers.
patchy fog. vsby 1 to 3 nm.
.thu...nw winds 5 to 10 kt. waves 1 ft. patchy fog. vsby 1 to 3 nm.
.thu night...sw winds 5 to 10 kt. waves 1 ft or less.
.fri...w winds 5 to 10 kt. waves 1 ft or less.
.fri night...s winds around 5 kt...becoming n after midnight. waves
1 ft or less.
.sat...e winds 5 to 10 kt. waves 1 to 2 ft.
.sun...e winds 5 to 10 kt. waves 1 ft.
$$
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