941
FZUS51 KLWX 232058
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
358 PM EST TUE DEC 23 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.
ANZ500-240900-
358 PM EST TUE DEC 23 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
LOW PRESSURE TRACKS OVER THE GREAT LAKES TODAY WITH THE ASSOCIATED
COLD FRONT PUSHING EASTWARD BY TONIGHT AND HIGH PRESSURE BRIEFLY
BUILDING OVERHEAD WEDNESDAY. A WARM FRONT WILL SLOWLY APPROACH FROM
THE SOUTHWEST THURSDAY, BRINGING A FEW PASSING SHOWERS. AN AREA OF
LOW PRESSURE WILL TRAVERSE THE BOUNDARY AS IT STALLS NEARBY OR JUST
TO THE SOUTH FRIDAY BRINGING THE POTENTIAL OF A WINTRY MIX. A
STRONGER COLD FRONT ARRIVES TOWARD THE END OF THE WEEKEND.
ANZ535-240900-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
358 PM EST TUE DEC 23 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED...NW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT LATE. GUSTS UP TO
25 KT UNTIL LATE AFTERNOON. WAVES 1 FT.
WED NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
RAIN.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE
MORNING. RAIN THROUGH THE NIGHT, THEN A CHANCE OF RAIN AFTER
MIDNIGHT.
SAT
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF RAIN AFTER
MIDNIGHT.
ANZ536-240900-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
358 PM EST TUE DEC 23 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
W WINDS 5 TO 10 KT. 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
BECOMING SE AFTER MIDNIGHT.
WAVES 1 FT. A CHANCE OF RAIN.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE
MORNING, THEN RAIN THROUGH THE NIGHT. A CHANCE OF RAIN AFTER
MIDNIGHT.
SAT
NE WINDS AROUND 5 KT. WAVES 1 FT.
ANZ537-240900-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
358 PM EST TUE DEC 23 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT...NE WINDS AROUND 5 KT
BECOMING SE AFTER MIDNIGHT.
WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
THU NIGHT
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI...E WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 TO 2 FT. A CHANCE
OF RAIN IN THE MORNING. RAIN THROUGH THE NIGHT, THEN A CHANCE OF
RAIN AFTER MIDNIGHT.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ530-240900-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
358 PM EST TUE DEC 23 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY AFTERNOON...
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED...NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING TO
5 TO 10 KT LATE. WAVES 2 FT.
WED NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
THU...S WINDS 5 TO 10 KT
BECOMING W IN THE AFTERNOON. WAVES 1 FT.
A CHANCE OF RAIN.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT. SNOW AND SLEET LIKELY THROUGH
THE DAY. RAIN AND FREEZING RAIN.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE
MORNING. A CHANCE OF RAIN AFTER MIDNIGHT.
ANZ531-240900-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
358 PM EST TUE DEC 23 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY AFTERNOON...
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED...NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING TO
5 TO 10 KT LATE. WAVES 2 FT.
WED NIGHT...N WINDS AROUND 5 KT
BECOMING SE AFTER MIDNIGHT. WAVES
1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
THU NIGHT
N WINDS 10 TO 15 KT. WAVES 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT. SNOW AND SLEET THROUGH THE
DAY. RAIN. FREEZING RAIN THROUGH THE NIGHT.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF RAIN IN
THE MORNING. A CHANCE OF RAIN AFTER MIDNIGHT.
ANZ538-240900-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
358 PM EST TUE DEC 23 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY AFTERNOON...
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES FLAT.
TONIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
WAVES 1 FT OR LESS.
WED
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
WED NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
THU...S WINDS 5 TO 10 KT
BECOMING W IN THE AFTERNOON. WAVES 1 FT.
A CHANCE OF RAIN.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN AND SNOW IN
THE MORNING, THEN SNOW AND SLEET IN THE AFTERNOON. RAIN.
SAT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF RAIN IN
THE MORNING. A CHANCE OF RAIN AFTER MIDNIGHT.
ANZ539-240900-
CHESTER RIVER TO QUEENSTOWN MD-
358 PM EST TUE DEC 23 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY AFTERNOON...
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED
NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT UNTIL LATE AFTERNOON.
WAVES 2 FT.
WED NIGHT...N WINDS AROUND 5 KT
BECOMING SE AFTER MIDNIGHT. WAVES
1 FT OR LESS.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN AND SNOW IN
THE MORNING, THEN SNOW AND SLEET IN THE AFTERNOON. RAIN.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF RAIN IN
THE MORNING. A CHANCE OF RAIN AFTER MIDNIGHT.
ANZ532-240900-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
358 PM EST TUE DEC 23 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY AFTERNOON...
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 2 FT.
WED NIGHT...NE WINDS AROUND 5 KT
BECOMING SE AFTER MIDNIGHT.
WAVES 1 FT.
THU...S WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT. A CHANCE OF RAIN.
THU NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI...NE WINDS 10 TO 15 KT
BECOMING SE 5 TO 10 KT. WAVES 1 TO
2 FT. A CHANCE OF RAIN AND SNOW IN THE MORNING, THEN SNOW IN THE
AFTERNOON. RAIN.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF RAIN IN
THE MORNING. A CHANCE OF RAIN AFTER MIDNIGHT.
ANZ540-240900-
EASTERN BAY-
358 PM EST TUE DEC 23 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY AFTERNOON...
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
W WINDS 10 TO 15 KT. WAVES 1 FT.
WED
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT...NE WINDS AROUND 5 KT
BECOMING SE AFTER MIDNIGHT.
WAVES FLAT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
THU NIGHT
N WINDS 10 TO 15 KT. WAVES 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN AND SNOW IN
THE MORNING, THEN SNOW IN THE AFTERNOON. RAIN.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF RAIN IN
THE MORNING. A CHANCE OF RAIN AFTER MIDNIGHT.
ANZ533-240900-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
358 PM EST TUE DEC 23 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY AFTERNOON...
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED...NW WINDS 15 TO 20 KT
BECOMING N 5 TO 10 KT LATE. WAVES
2 FT.
WED NIGHT...NE WINDS 5 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
THU...S WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT IN THE AFTERNOON.
WAVES 2 FT. A CHANCE OF RAIN.
THU NIGHT
N WINDS 15 TO 20 KT. WAVES 2 FT.
FRI...NE WINDS 10 TO 15 KT
BECOMING SE 5 TO 10 KT. WAVES 1 TO
2 FT. A CHANCE OF RAIN AND SNOW IN THE MORNING. RAIN THROUGH THE
NIGHT, THEN A CHANCE OF RAIN AFTER MIDNIGHT.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN AFTER
MIDNIGHT.
ANZ541-240900-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
358 PM EST TUE DEC 23 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY AFTERNOON...
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED...NW WINDS 15 TO 20 KT
BECOMING N 5 TO 10 KT LATE. WAVES
2 FT.
WED NIGHT...NE WINDS AROUND 5 KT
BECOMING SE AFTER MIDNIGHT.
WAVES 1 FT.
THU...S WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT IN THE AFTERNOON.
WAVES 1 FT. A CHANCE OF RAIN.
THU NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI...NE WINDS 10 TO 15 KT
BECOMING SE 5 TO 10 KT. WAVES 1 FT. A
CHANCE OF RAIN AND SNOW IN THE MORNING. RAIN.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF RAIN
AFTER MIDNIGHT.
ANZ542-240900-
PATUXENT RIVER TO BROOMES ISLAND MD-
358 PM EST TUE DEC 23 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY AFTERNOON...
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...E WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT. A CHANCE OF
RAIN IN THE MORNING, THEN RAIN THROUGH THE NIGHT. A CHANCE OF RAIN
AFTER MIDNIGHT.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-240900-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
358 PM EST TUE DEC 23 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY AFTERNOON...
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 2 FT.
TONIGHT
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED...NW WINDS 15 TO 20 KT
BECOMING N 5 TO 10 KT LATE. WAVES
3 FT.
WED NIGHT...NE WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES
1 FT.
THU...S WINDS 10 TO 15 KT
BECOMING W IN THE AFTERNOON. WAVES
2 FT. A CHANCE OF RAIN.
THU NIGHT
N WINDS 15 TO 20 KT. WAVES 2 FT.
FRI...NE WINDS 10 TO 15 KT
BECOMING SE 5 TO 10 KT. WAVES 1 TO
2 FT. A CHANCE OF RAIN AND SNOW IN THE MORNING. RAIN THROUGH THE
NIGHT, THEN A CHANCE OF RAIN AFTER MIDNIGHT.
SAT...NE WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 FT.
ANZ543-240900-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
358 PM EST TUE DEC 23 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY AFTERNOON...
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
W WINDS 10 TO 15 KT. WAVES 1 FT.
WED
NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT UNTIL LATE AFTERNOON.
WAVES 2 FT.
WED NIGHT...N WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES
1 FT.
THU...S WINDS 10 TO 15 KT
BECOMING W IN THE AFTERNOON. GUSTS UP
TO 20 KT. WAVES 1 FT. A CHANCE OF RAIN.
THU NIGHT
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI...NE WINDS 10 TO 15 KT
BECOMING SE 5 TO 10 KT. WAVES 1 FT.
RAIN THROUGH THE NIGHT. A CHANCE OF RAIN AFTER MIDNIGHT.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
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