507
FZUS51 KLWX 291924
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
224 PM EST MON DEC 29 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.
ANZ500-300900-
224 PM EST MON DEC 29 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A WAVE OF LOW PRESSURE WILL DRIVE A STRONG COLD FRONT ACROSS THE
AREA TONIGHT INTO MONDAY, BRINGING STRONG WINDS ACROSS THE WATERS
THROUGH MONDAY NIGHT. GALE-FORCE WINDS REMAIN POSSIBLE ON TUESDAY IN
THE WAKE OF THIS COLD FRONT. A CLIPPER LOW WILL APPROACH THE WATERS
BY THE MIDDLE OF THE WEEK, BRINGING ABOUT YET ANOTHER PERIOD OF SCA
CONDITIONS ON WEDNESDAY POTENTIALLY.
ANZ535-300900-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
224 PM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON
..SMALL CRAFT ADVISORY IN EFFECT TUESDAY EVENING
THIS AFTERNOON...W WINDS 25 KT. GUSTS UP TO 30 KT
INCREASING TO
45 KT LATE. WAVES 2 FT.
TONIGHT...W WINDS 20 TO 25 KT. GUSTS UP TO 40 KT
DIMINISHING TO
30 KT LATE. WAVES 2 FT.
TUE
W WINDS 15 TO 20 KT WITH GUSTS TO 35 KT. WAVES 2 FT.
TUE NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.
WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ536-300900-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
224 PM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...
THIS AFTERNOON...W WINDS 25 KT. GUSTS UP TO 30 KT
INCREASING TO
45 KT LATE. WAVES 2 TO 3 FT.
TONIGHT...W WINDS 20 TO 25 KT. GUSTS UP TO 40 KT
DIMINISHING TO
30 KT LATE. WAVES 2 TO 3 FT.
TUE
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
TUE NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.
WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU...NW WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 FT.
FRI
S WINDS AROUND 5 KT. WAVES 1 FT.
ANZ537-300900-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
224 PM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...
THIS AFTERNOON...W WINDS 20 KT WITH GUSTS TO 25 KT
INCREASING TO
30 KT LATE. WAVES 3 FT. A SLIGHT CHANCE OF RAIN.
TONIGHT...W WINDS 25 TO 30 KT
DIMINISHING TO 20 KT WITH GUSTS TO
30 KT LATE. WAVES 4 FT.
TUE
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TUE NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT.
WED
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
W WINDS 10 TO 15 KT. WAVES 1 FT.
THU
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ530-300900-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
224 PM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH LATE
TUESDAY NIGHT...
THIS AFTERNOON...W WINDS 25 TO 30 KT. GUSTS UP TO 30 KT
INCREASING TO 45 KT LATE. WAVES 3 FT.
TONIGHT...W WINDS 25 TO 30 KT. GUSTS UP TO 45 KT
DIMINISHING TO
35 KT AFTER MIDNIGHT. WAVES 3 FT.
TUE
W WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 2 TO 3 FT.
TUE NIGHT...W WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.
WED
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
W WINDS 10 TO 15 KT. WAVES 1 FT.
THU
NW WINDS 10 TO 15 KT. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ531-300900-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
224 PM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH LATE
TUESDAY NIGHT...
THIS AFTERNOON...W WINDS 25 TO 30 KT. GUSTS UP TO 30 KT
INCREASING TO 45 KT LATE. WAVES 4 FT.
TONIGHT
W WINDS 25 TO 30 KT. GUSTS UP TO 45 KT IN THE EVENING.
WAVES 4 FT.
TUE
W WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT.
TUE NIGHT
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO
3 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT OR
LESS.
ANZ538-300900-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
224 PM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH LATE
TUESDAY NIGHT...
THIS AFTERNOON...W WINDS 25 KT. GUSTS UP TO 30 KT
INCREASING TO
45 KT LATE. WAVES 3 FT.
TONIGHT
W WINDS 20 TO 25 KT WITH GUSTS TO 40 KT. WAVES 2 TO 3 FT.
TUE
W WINDS 15 TO 20 KT WITH GUSTS TO 35 KT. WAVES 2 FT.
TUE NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU...NW WINDS 10 TO 15 KT
BECOMING W 5 KT AFTER MIDNIGHT. WAVES
1 FT OR LESS.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ539-300900-
CHESTER RIVER TO QUEENSTOWN MD-
224 PM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH LATE
TUESDAY NIGHT...
THIS AFTERNOON...W WINDS 25 TO 30 KT. GUSTS UP TO 30 KT
INCREASING TO 45 KT LATE. WAVES 3 FT...BUILDING TO 5 FT LATE.
TONIGHT
W WINDS 25 TO 30 KT. GUSTS UP TO 45 KT IN THE EVENING.
WAVES 4 FT.
TUE
W WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT.
TUE NIGHT...W WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
ANZ532-300900-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
224 PM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH LATE
TUESDAY NIGHT...
THIS AFTERNOON...W WINDS 25 TO 30 KT. GUSTS UP TO 30 KT
INCREASING TO 45 KT LATE. WAVES 4 FT.
TONIGHT
W WINDS 25 TO 30 KT. GUSTS UP TO 45 KT IN THE EVENING.
WAVES 4 FT.
TUE
W WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT.
TUE NIGHT...W WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
W WINDS 10 TO 15 KT. WAVES 1 FT.
THU
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
ANZ540-300900-
EASTERN BAY-
224 PM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH TUESDAY AFTERNOON
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY EVENING THROUGH LATE
TUESDAY NIGHT...
THIS AFTERNOON...W WINDS 20 KT WITH GUSTS TO 25 KT
INCREASING TO
30 KT WITH GUSTS TO 45 KT LATE. WAVES 3 FT. A SLIGHT CHANCE OF RAIN.
TONIGHT...W WINDS 25 TO 30 KT. GUSTS UP TO 45 KT
DIMINISHING TO
35 KT AFTER MIDNIGHT. WAVES 3 FT.
TUE
W WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT.
TUE NIGHT...W WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. WAVES 2 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
W WINDS 10 TO 15 KT. WAVES 1 FT.
THU
NW WINDS 10 TO 15 KT. WAVES 1 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
ANZ533-300900-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
224 PM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...
THIS AFTERNOON
W WINDS 25 TO 30 KT. GUSTS UP TO 45 KT LATE. WAVES
3 FT...BUILDING TO 5 FT LATE. A SLIGHT CHANCE OF RAIN.
TONIGHT...W WINDS 25 TO 30 KT. GUSTS UP TO 45 KT
DIMINISHING TO
35 KT AFTER MIDNIGHT. WAVES 5 FT.
TUE
W WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
TUE NIGHT...W WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT...SW WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. WAVES
2 FT.
THU
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
ANZ541-300900-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
224 PM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...
THIS AFTERNOON...W WINDS 20 KT WITH GUSTS TO 25 KT
INCREASING TO
30 KT WITH GUSTS TO 45 KT LATE. WAVES 2 TO 3 FT...EXCEPT AROUND 4 FT
NEAR THE MOUTH OF THE CHOPTANK. A SLIGHT CHANCE OF RAIN.
TONIGHT
W WINDS 25 TO 30 KT. GUSTS UP TO 45 KT IN THE EVENING.
WAVES 4 FT.
TUE
W WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
TUE NIGHT...W WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT...SW WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. WAVES
2 FT.
THU
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
ANZ542-300900-
PATUXENT RIVER TO BROOMES ISLAND MD-
224 PM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...
THIS AFTERNOON
W WINDS 25 KT. GUSTS UP TO 40 KT LATE. WAVES 1 TO
2 FT. A SLIGHT CHANCE OF RAIN.
TONIGHT...W WINDS 20 TO 25 KT. GUSTS UP TO 40 KT
DIMINISHING TO
30 KT LATE. WAVES 1 TO 2 FT.
TUE
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 1 FT.
TUE NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.
WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU...NW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 FT.
FRI
SW WINDS AROUND 5 KT. WAVES 1 FT.
ANZ534-300900-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
224 PM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...
THIS AFTERNOON...W WINDS 20 KT WITH GUSTS TO 25 KT
INCREASING TO
30 KT LATE. WAVES 4 FT. A CHANCE OF RAIN.
TONIGHT
W WINDS 25 TO 30 KT. WAVES 5 FT.
TUE
W WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
TUE NIGHT...W WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. WAVES 4 FT...SUBSIDING TO 2 FT AFTER
MIDNIGHT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
W WINDS 15 TO 20 KT. WAVES 2 FT.
THU
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ543-300900-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
224 PM EST MON DEC 29 2025
..GALE WARNING IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH LATE
TUESDAY NIGHT...
THIS AFTERNOON...W WINDS 20 KT WITH GUSTS TO 30 KT
INCREASING TO
30 KT LATE. WAVES 2 TO 3 FT. A CHANCE OF RAIN.
TONIGHT
W WINDS 25 TO 30 KT. WAVES 3 FT.
TUE
W WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TUE NIGHT...W WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. WAVES 2 FT.
WED
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
W WINDS 15 TO 20 KT. WAVES 2 FT.
THU
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI...W WINDS 5 TO 10 KT
BECOMING 5 KT. WAVES 1 FT.
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