837
FZUS51 KLWX 142334
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
734 PM EDT SUN SEP 14 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.
ANZ500-150800-
734 PM EDT SUN SEP 14 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
CANADIAN HIGH PRESSURE WILL MOVE SOUTH TO START THE WEEK. A COASTAL
LOW IS LIKELY TO FORM OFF THE CAROLINA COASTLINE, THEN APPROACH OUR
AREA BY MID WEEK. SMALL CRAFT ADVISORIES WILL LIKELY BE NEEDED
THROUGH WEDNESDAY NIGHT.
ANZ535-150800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
734 PM EDT SUN SEP 14 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE MONDAY NIGHT THROUGH
TUESDAY EVENING...
TONIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE LATE MORNING
AND AFTERNOON. WAVES 1 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS TO 30 KT. WAVES 1 FT. SHOWERS
LIKELY.
TUE NIGHT...NE WINDS 10 TO 15 KT. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE OF
TSTMS.
WED
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
LIKELY.
WED NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
W WINDS AROUND 5 KT. WAVES 1 FT.
FRI
N WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-150800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
734 PM EDT SUN SEP 14 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE MONDAY NIGHT THROUGH
TUESDAY EVENING...
TONIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE LATE MORNING
AND AFTERNOON. WAVES 1 FT.
MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
WED
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
LIKELY.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
NW WINDS AROUND 5 KT. WAVES 1 FT.
FRI
N WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-150800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
734 PM EDT SUN SEP 14 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH
TUESDAY EVENING...
TONIGHT...SE WINDS 5 KT
BECOMING NE LATE. WAVES 1 FT OR LESS.
MON...NE WINDS 15 TO 20 KT. GUSTS UP TO 20 KT
INCREASING TO
25 KT LATE. WAVES 2 TO 3 FT.
MON NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
SHOWERS WITH A CHANCE OF TSTMS.
WED...NE WINDS 15 TO 20 KT
DIMINISHING TO 10 KT IN THE AFTERNOON.
WAVES 2 TO 3 FT. SHOWERS LIKELY.
WED NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU...N WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-150800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
734 PM EDT SUN SEP 14 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE MONDAY NIGHT THROUGH
TUESDAY EVENING...
TONIGHT
E WINDS 5 KT. WAVES FLAT.
MON
NE WINDS 10 TO 15 KT. WAVES 1 FT.
MON NIGHT...E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NE
WITH GUSTS TO 25 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
WED...NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING TO
10 KT IN THE AFTERNOON. WAVES 1 TO 2 FT. SHOWERS LIKELY.
WED NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU...N WINDS 5 TO 10 KT
BECOMING W. WAVES 1 FT OR LESS. A CHANCE
OF SHOWERS IN THE MORNING.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-150800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
734 PM EDT SUN SEP 14 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE MONDAY NIGHT THROUGH
TUESDAY EVENING...
TONIGHT
E WINDS 5 KT. WAVES FLAT.
MON
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT...E WINDS 10 TO 15 KT
BECOMING NE 15 TO 20 KT LATE.
GUSTS UP TO 25 KT. WAVES 2 TO 3 FT.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. A
CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
WED...NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING TO
10 KT IN THE AFTERNOON. WAVES 2 TO 3 FT. SHOWERS LIKELY.
WED NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU...N WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT OR LESS. A
CHANCE OF SHOWERS IN THE MORNING.
FRI...SW WINDS 5 KT
BECOMING NE. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-150800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
734 PM EDT SUN SEP 14 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE MONDAY NIGHT THROUGH
TUESDAY EVENING...
TONIGHT
E WINDS 5 KT. WAVES FLAT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 1 FT.
TUE
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
WED
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY.
WED NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
NW WINDS AROUND 5 KT. WAVES FLAT.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-150800-
CHESTER RIVER TO QUEENSTOWN MD-
734 PM EDT SUN SEP 14 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE MONDAY NIGHT THROUGH
TUESDAY EVENING...
TONIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
MON
NE WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT...E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NE
WITH GUSTS TO 25 KT LATE. WAVES 1 TO 2 FT.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
WED...NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING TO
10 KT IN THE AFTERNOON. WAVES 1 TO 2 FT. SHOWERS LIKELY.
WED NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS IN
THE MORNING.
FRI...SW WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT OR
LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-150800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
734 PM EDT SUN SEP 14 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE MONDAY NIGHT THROUGH
TUESDAY EVENING...
TONIGHT
E WINDS 5 KT. WAVES FLAT.
MON
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT. A CHANCE OF SHOWERS.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF SHOWERS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
WED
NE WINDS 15 TO 20 KT. GUSTS UP TO 25 KT IN THE MORNING. WAVES
2 TO 3 FT. SHOWERS LIKELY.
WED NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU...N WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT. A CHANCE OF
SHOWERS IN THE MORNING.
FRI...SW WINDS 5 KT
BECOMING SE IN THE EVENING, THEN BECOMING NE
AFTER MIDNIGHT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-150800-
EASTERN BAY-
734 PM EDT SUN SEP 14 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE MONDAY NIGHT THROUGH
TUESDAY EVENING...
TONIGHT
E WINDS 5 KT. WAVES FLAT.
MON
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT...E WINDS 15 TO 20 KT
BECOMING NE LATE. GUSTS UP TO
25 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS
LIKELY.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
SHOWERS WITH A CHANCE OF TSTMS.
WED...NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING TO
10 KT IN THE AFTERNOON. WAVES 1 TO 2 FT. SHOWERS LIKELY.
WED NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU...N WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT OR LESS. A
CHANCE OF SHOWERS IN THE MORNING.
FRI...SW WINDS 5 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT OR
LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-150800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
734 PM EDT SUN SEP 14 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE MONDAY NIGHT THROUGH
TUESDAY EVENING...
TONIGHT
E WINDS 5 KT. WAVES FLAT.
MON
NE WINDS 15 TO 20 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 20 TO 25 KT. WAVES 3 FT. A CHANCE OF SHOWERS.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
SHOWERS WITH A CHANCE OF TSTMS.
WED
NE WINDS 15 TO 20 KT. GUSTS UP TO 25 KT IN THE MORNING. WAVES
4 FT...SUBSIDING TO 2 FT IN THE AFTERNOON. SHOWERS LIKELY.
WED NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF
SHOWERS.
THU...N WINDS 5 TO 10 KT
BECOMING W. WAVES 1 FT.
FRI...SW WINDS 5 KT
BECOMING S IN THE EVENING, THEN BECOMING NE
AFTER MIDNIGHT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-150800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
734 PM EDT SUN SEP 14 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE MONDAY NIGHT THROUGH
TUESDAY EVENING...
TONIGHT
E WINDS 5 KT. WAVES FLAT.
MON
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT. A CHANCE OF SHOWERS.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT. SHOWERS
LIKELY.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
SHOWERS WITH A CHANCE OF TSTMS.
WED...NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING TO
10 KT IN THE AFTERNOON. WAVES 1 TO 2 FT. SHOWERS LIKELY.
WED NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU...N WINDS 5 TO 10 KT
BECOMING W. WAVES 1 FT.
FRI...SW WINDS 5 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT OR
LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-150800-
PATUXENT RIVER TO BROOMES ISLAND MD-
734 PM EDT SUN SEP 14 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE MONDAY NIGHT THROUGH
TUESDAY EVENING...
TONIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
TUE
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 1 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
TUE NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 1 FT.
SHOWERS WITH A CHANCE OF TSTMS.
WED
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
LIKELY.
WED NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
N WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-150800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
734 PM EDT SUN SEP 14 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH
TUESDAY EVENING...
TONIGHT...E WINDS 5 KT
BECOMING NE LATE. WAVES 1 FT OR LESS.
MON
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
MON NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT. A
CHANCE OF TSTMS. VSBY 1 NM OR LESS.
TUE
NE WINDS 25 TO 30 KT. WAVES 4 FT. SHOWERS WITH A CHANCE OF
TSTMS.
TUE NIGHT
NE WINDS 25 TO 30 KT. WAVES 5 FT. SHOWERS WITH A CHANCE
OF TSTMS.
WED...NE WINDS 15 TO 20 KT
DIMINISHING TO 10 KT IN THE AFTERNOON.
WAVES 2 TO 3 FT. SHOWERS LIKELY.
WED NIGHT
NE WINDS 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-150800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
734 PM EDT SUN SEP 14 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM MONDAY AFTERNOON THROUGH
TUESDAY EVENING...
TONIGHT...E WINDS 5 KT
BECOMING NE LATE. WAVES 1 FT OR LESS.
MON
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 FT. A
CHANCE OF SHOWERS. VSBY 1 NM OR LESS.
TUE
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
TUE NIGHT
NE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO
3 FT. SHOWERS WITH A CHANCE OF TSTMS.
WED...NE WINDS 15 TO 20 KT
DIMINISHING TO 10 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT. SHOWERS LIKELY.
WED NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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