428
FZUS51 KLWX 130858
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
358 AM EST TUE JAN 13 2026
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.
ANZ500-132300-
358 AM EST TUE JAN 13 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL RESIDE TO THE SOUTH OF THE WATERS TODAY. A
COASTAL LOW MAY DEVELOP WEDNESDAY NIGHT INTO THURSDAY, BEFORE
TRACKING OUT TO SEA BY THE END OF THE WEEK. SMALL CRAFT ADVISORIES
APPEAR LIKELY LATE WEDNESDAY NIGHT THROUGH THURSDAY NIGHT, AND THEN
POSSIBLE AGAIN ON FRIDAY. GALE GUSTS CAN'T BE RULED OUT LATE
WEDNESDAY NIGHT INTO THURSDAY.
ANZ535-132300-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
358 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH THIS EVENING...
REST OF THE OVERNIGHT
LIGHT WINDS. WAVES FLAT.
TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN.
WED NIGHT...SW WINDS AROUND 5 KT
BECOMING NW 10 TO 15 KT WITH
GUSTS TO 25 KT AFTER MIDNIGHT. WAVES 1 FT. A CHANCE OF RAIN.
THU
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-132300-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
358 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH WEDNESDAY MORNING...
REST OF THE OVERNIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW 15 TO 20 KT WITH
GUSTS TO 25 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. A CHANCE OF RAIN.
THU
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI
SW WINDS 10 TO 15 KT. WAVES 1 FT.
SAT...SW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 FT.
ANZ537-132300-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
358 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH WEDNESDAY MORNING...
REST OF THE OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE MORNING. WAVES
1 FT.
WED NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW 15 TO 20 KT WITH
GUSTS TO 25 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. A CHANCE OF RAIN.
THU
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU NIGHT
NW WINDS 15 TO 20 KT. WAVES 2 FT.
FRI
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT...SW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 FT.
ANZ530-132300-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
358 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH WEDNESDAY MORNING...
REST OF THE OVERNIGHT
SW WINDS 5 KT. WAVES FLAT.
TODAY
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TONIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN.
WED NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW 15 TO 20 KT WITH
GUSTS TO 25 KT AFTER MIDNIGHT. WAVES 1 FT OR LESS. RAIN LIKELY.
THU
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
THU NIGHT
NW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
FRI...SW WINDS 10 TO 15 KT
BECOMING S. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ531-132300-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
358 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH WEDNESDAY MORNING...
REST OF THE OVERNIGHT
W WINDS 5 KT. WAVES FLAT.
TODAY
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
WED NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW 15 TO 20 KT WITH
GUSTS TO 25 KT AFTER MIDNIGHT. WAVES FLAT...BUILDING TO 2 FT AFTER
MIDNIGHT. RAIN LIKELY.
THU
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
THU NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
FRI...SW WINDS 10 TO 15 KT
INCREASING TO 15 TO 20 KT. WAVES 1 TO
2 FT.
SAT...SW WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 TO
2 FT.
ANZ538-132300-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
358 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH THIS EVENING...
REST OF THE OVERNIGHT
LIGHT WINDS. WAVES FLAT.
TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 5 KT. WAVES FLAT. A CHANCE OF RAIN.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT OR
LESS. RAIN LIKELY.
THU
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ539-132300-
CHESTER RIVER TO QUEENSTOWN MD-
358 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH WEDNESDAY MORNING...
REST OF THE OVERNIGHT
W WINDS 5 KT. WAVES FLAT.
TODAY
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
WED NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW 15 TO 20 KT WITH
GUSTS TO 25 KT AFTER MIDNIGHT. WAVES FLAT...BUILDING TO 2 FT AFTER
MIDNIGHT. RAIN LIKELY.
THU
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
THU NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
FRI...SW WINDS 10 TO 15 KT
BECOMING S. WAVES 1 TO 2 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ532-132300-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
358 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH WEDNESDAY MORNING...
REST OF THE OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WED NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW 15 TO 20 KT WITH
GUSTS TO 25 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. RAIN LIKELY.
THU
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
THU NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
FRI...W WINDS 10 TO 15 KT...BECOMING SW 15 TO 20 KT. WAVES 1 FT
BUILDING TO 3 FT.
SAT...SW WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 TO
2 FT.
ANZ540-132300-
EASTERN BAY-
358 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH WEDNESDAY MORNING...
REST OF THE OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW 15 TO 20 KT WITH
GUSTS TO 25 KT AFTER MIDNIGHT. WAVES 1 FT. RAIN LIKELY.
THU
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
THU NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
FRI...SW WINDS 10 TO 15 KT
INCREASING TO 15 TO 20 KT. WAVES 1 TO
2 FT.
SAT...SW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 FT.
ANZ533-132300-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
358 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH WEDNESDAY MORNING...
REST OF THE OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WED NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW 20 TO 25 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. RAIN LIKELY.
THU
NW WINDS 20 TO 25 KT. WAVES 3 FT.
THU NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
FRI...W WINDS 10 TO 15 KT
BECOMING SW 15 TO 20 KT. WAVES 2 TO
3 FT.
SAT...SW WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 TO
2 FT.
ANZ541-132300-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
358 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH WEDNESDAY MORNING...
REST OF THE OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW 20 TO 25 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. RAIN LIKELY.
THU
NW WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.
THU NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
FRI...W WINDS 10 TO 15 KT
BECOMING SW 15 TO 20 KT. WAVES 1 TO
2 FT.
SAT...SW WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 TO
2 FT.
ANZ542-132300-
PATUXENT RIVER TO BROOMES ISLAND MD-
358 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH WEDNESDAY MORNING...
REST OF THE OVERNIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
S WINDS 5 TO 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT...SW WINDS 5 KT
BECOMING NW 10 TO 15 KT WITH GUSTS TO
25 KT AFTER MIDNIGHT. WAVES 1 FT. A CHANCE OF RAIN.
THU
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
THU NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI
SW WINDS 10 TO 15 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-132300-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
358 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH WEDNESDAY MORNING...
REST OF THE OVERNIGHT
W WINDS 10 KT. WAVES 1 FT.
TODAY
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
WED NIGHT...SW WINDS 10 KT
BECOMING NW 20 TO 25 KT WITH GUSTS TO
30 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. RAIN LIKELY.
THU
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
THU NIGHT
NW WINDS 20 TO 25 KT. WAVES 3 FT.
FRI...W WINDS 10 TO 15 KT
BECOMING SW 15 TO 20 KT. WAVES 2 TO
3 FT.
SAT...SW WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. WAVES 2 TO
3 FT.
ANZ543-132300-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
358 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EST THIS AFTERNOON
THROUGH WEDNESDAY MORNING...
REST OF THE OVERNIGHT
W WINDS 10 KT. WAVES 1 FT.
TODAY
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT...SW WINDS 10 TO 15 KT
BECOMING W 20 TO 25 KT WITH
GUSTS TO 30 KT AFTER MIDNIGHT. WAVES 1 FT. A CHANCE OF RAIN.
THU
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
THU NIGHT
NW WINDS 20 TO 25 KT. WAVES 2 FT.
FRI...W WINDS 10 TO 15 KT
BECOMING SW 15 TO 20 KT. WAVES 1 TO
2 FT.
SAT...SW WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 TO
2 FT.
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