180
FZUS51 KLWX 221158
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
658 AM EST MON DEC 22 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.
ANZ500-222100-
658 AM EST MON DEC 22 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL MOVE OVERHEAD TODAY. A LOW PRESSURE SYSTEM MOVING
THROUGH THE GREAT LAKES MAY AFFECT THE AREA LATE TONIGHT INTO
TUESDAY. ANOTHER TRANSIENT AREA OF HIGH PRESSURE ON WEDNESDAY MAY
GIVE WAY TO A WARM FRONT THURSDAY. A COLD FRONT MAY APPROACH LATE
FRIDAY. SMALL CRAFT ADVISORIES MAY BE NEEDED LATE TUESDAY NIGHT INTO
WEDNESDAY AS WELL AS FRIDAY.
ANZ535-222100-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
658 AM EST MON DEC 22 2025
TODAY
SW WINDS AROUND 5 KT. WAVES 1 FT.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. RAIN LIKELY WITH A CHANCE
OF SNOW. VSBY 1 TO 3 NM.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF RAIN.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE
MORNING.
FRI...SW WINDS 5 TO 10 KT
BECOMING NW. WAVES 1 FT. A CHANCE OF
RAIN THROUGH THE DAY.
ANZ536-222100-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
658 AM EST MON DEC 22 2025
TODAY
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN AND
SNOW. VSBY 1 TO 3 NM.
TUE
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE
OF RAIN.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE
MORNING.
FRI...SW WINDS 10 TO 15 KT
BECOMING W. WAVES 1 FT. A CHANCE OF
RAIN THROUGH THE DAY.
ANZ537-222100-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
658 AM EST MON DEC 22 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...
TODAY...N WINDS 5 TO 10 KT
BECOMING S THIS AFTERNOON. WAVES 1 FT
OR LESS.
TONIGHT
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE LATE EVENING
AND OVERNIGHT. WAVES 1 FT. A CHANCE OF RAIN. VSBY 1 TO 3 NM.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF RAIN.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE
MORNING.
FRI...SW WINDS 10 TO 15 KT
BECOMING W. WAVES 1 FT. A CHANCE OF
RAIN THROUGH THE DAY.
ANZ530-222100-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
658 AM EST MON DEC 22 2025
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SNOW AND RAIN LIKELY.
VSBY 1 TO 3 NM.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN. VSBY 1 TO
3 NM.
TUE NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
WAVES 1 FT.
WED
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE
MORNING. A CHANCE OF RAIN AFTER MIDNIGHT.
FRI...S WINDS 5 TO 10 KT
BECOMING NW 10 TO 15 KT. WAVES 1 FT.
RAIN LIKELY THROUGH THE DAY.
ANZ531-222100-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
658 AM EST MON DEC 22 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING...
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE LATE
EVENING AND OVERNIGHT. WAVES 1 TO 2 FT. RAIN LIKELY WITH A CHANCE OF
SNOW. VSBY 1 TO 3 NM.
TUE...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 KT LATE. WAVES 1 TO 2 FT. A CHANCE OF RAIN.
TUE NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
WED
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT...N WINDS AROUND 5 KT
BECOMING SE AFTER MIDNIGHT. WAVES
1 FT OR LESS. A CHANCE OF RAIN.
THU
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE
MORNING. A CHANCE OF RAIN AFTER MIDNIGHT.
FRI...SW WINDS 5 TO 10 KT
BECOMING NW. WAVES 1 FT. RAIN LIKELY
THROUGH THE DAY.
ANZ538-222100-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
658 AM EST MON DEC 22 2025
TODAY
W WINDS 5 KT. WAVES FLAT.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. RAIN LIKELY WITH
A CHANCE OF SNOW. VSBY 1 TO 3 NM.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
NE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF RAIN.
THU
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF RAIN IN
THE MORNING. A CHANCE OF RAIN AFTER MIDNIGHT.
FRI...SW WINDS 5 TO 10 KT
BECOMING NW. WAVES 1 FT. RAIN LIKELY,
MAINLY IN THE MORNING.
ANZ539-222100-
CHESTER RIVER TO QUEENSTOWN MD-
658 AM EST MON DEC 22 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING...
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
RAIN LIKELY. VSBY 1 TO 3 NM.
TUE...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 KT LATE. WAVES 1 TO 2 FT. RAIN LIKELY.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WED
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED NIGHT
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF RAIN.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF RAIN IN
THE MORNING. A CHANCE OF RAIN AFTER MIDNIGHT.
FRI...S WINDS 5 TO 10 KT
BECOMING NW. WAVES 1 FT. A CHANCE OF
RAIN IN THE MORNING, THEN RAIN LIKELY IN THE AFTERNOON.
ANZ532-222100-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
658 AM EST MON DEC 22 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING...
TODAY...NW WINDS 5 TO 10 KT
BECOMING S THIS AFTERNOON. WAVES 1 FT
OR LESS.
TONIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE LATE
EVENING AND OVERNIGHT. WAVES 1 TO 2 FT. RAIN LIKELY. VSBY 1 TO 3 NM.
TUE
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 2 FT. RAIN
LIKELY.
TUE NIGHT
W WINDS 10 TO 15 KT. WAVES 1 FT.
WED
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED NIGHT...NE WINDS AROUND 5 KT
BECOMING SE AFTER MIDNIGHT.
WAVES 1 FT OR LESS. A CHANCE OF RAIN.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE
MORNING.
FRI...SW WINDS 10 TO 15 KT
BECOMING NW. WAVES 1 TO 2 FT. A CHANCE
OF RAIN THROUGH THE DAY.
ANZ540-222100-
EASTERN BAY-
658 AM EST MON DEC 22 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
MORNING...
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE LATE
EVENING AND OVERNIGHT. WAVES 1 FT. RAIN LIKELY. VSBY 1 TO 3 NM.
TUE
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 1 TO 2 FT. RAIN LIKELY.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED
NW WINDS 10 TO 15 KT. WAVES 1 FT.
WED NIGHT...NE WINDS AROUND 5 KT
BECOMING SE AFTER MIDNIGHT.
WAVES FLAT. A CHANCE OF RAIN.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE
MORNING.
FRI...SW WINDS 5 TO 10 KT
BECOMING NW. WAVES 1 FT. A CHANCE OF
RAIN THROUGH THE DAY.
ANZ533-222100-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
658 AM EST MON DEC 22 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...
TODAY...N WINDS 5 TO 10 KT
BECOMING S THIS AFTERNOON. WAVES 1 FT
OR LESS.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
A CHANCE OF RAIN AND SNOW. VSBY 1 TO 3 NM.
TUE
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 2 FT. A CHANCE
OF RAIN.
TUE NIGHT
W WINDS 10 TO 15 KT. WAVES 1 FT.
WED
NW WINDS 10 TO 15 KT. WAVES 2 FT.
WED NIGHT...NE WINDS 5 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF RAIN.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE
MORNING.
FRI...SW WINDS 10 TO 15 KT
BECOMING NW. WAVES 1 TO 2 FT. A CHANCE
OF RAIN THROUGH THE DAY.
ANZ541-222100-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
658 AM EST MON DEC 22 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...
TODAY...N WINDS 5 TO 10 KT
BECOMING SW THIS AFTERNOON. WAVES 1 FT
OR LESS.
TONIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE LATE
EVENING AND OVERNIGHT. WAVES 1 TO 2 FT. A CHANCE OF RAIN. VSBY 1 TO
3 NM.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF RAIN.
TUE NIGHT
W WINDS 10 TO 15 KT. WAVES 1 FT.
WED
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED NIGHT...NE WINDS AROUND 5 KT
BECOMING SE AFTER MIDNIGHT.
WAVES 1 FT OR LESS.
THU
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE
MORNING.
FRI...SW WINDS 10 TO 15 KT
BECOMING NW. WAVES 1 TO 2 FT. A CHANCE
OF RAIN THROUGH THE DAY.
ANZ542-222100-
PATUXENT RIVER TO BROOMES ISLAND MD-
658 AM EST MON DEC 22 2025
TODAY
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN AND
SNOW. VSBY 1 TO 3 NM.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF RAIN.
TUE NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE
MORNING.
FRI...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF RAIN THROUGH THE DAY.
ANZ534-222100-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
658 AM EST MON DEC 22 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...
TODAY...N WINDS 10 KT
BECOMING SW THIS AFTERNOON. WAVES 1 TO
2 FT...SUBSIDING TO FLAT LATE.
TONIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE LATE
EVENING AND OVERNIGHT. WAVES 1 TO 2 FT. A CHANCE OF RAIN. VSBY 1 TO
3 NM.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT. A
CHANCE OF RAIN.
TUE NIGHT
W WINDS 10 TO 15 KT. WAVES 2 FT.
WED
NW WINDS 10 TO 15 KT. WAVES 2 FT.
WED NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN IN THE
MORNING.
FRI...SW WINDS 10 TO 15 KT
BECOMING W. WAVES 2 FT. A CHANCE OF
RAIN THROUGH THE DAY.
ANZ543-222100-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
658 AM EST MON DEC 22 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...
TODAY...N WINDS 10 KT
BECOMING W THIS AFTERNOON. WAVES 1 FT OR
LESS.
TONIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE LATE
EVENING AND OVERNIGHT. WAVES 1 TO 2 FT. A CHANCE OF RAIN. VSBY 1 TO
3 NM.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF RAIN.
TUE NIGHT
W WINDS 10 TO 15 KT. WAVES 1 FT.
WED
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT...NE WINDS 5 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE
MORNING.
FRI...SW WINDS 10 TO 15 KT
BECOMING W. WAVES 1 TO 2 FT. A CHANCE
OF RAIN IN THE AFTERNOON.
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