990
FZUS51 KLWX 130558
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1258 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.
ANZ500-132100-
1258 AM EST TUE JAN 13 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD SOUTH OF THE AREA INTO TUESDAY. A COASTAL
LOW MAY DEVELOP WEDNESDAY NIGHT INTO THURSDAY, BEFORE TRACKING OUT
TO SEA BY THE END OF THE WEEK. SMALL CRAFT ADVISORIES ARE POSSIBLE
TUESDAY AFTERNOON INTO WEDNESDAY, AS WELL AS THURSDAY INTO FRIDAY.
GALE GUSTS CAN'T BE RULED OUT THURSDAY INTO THURSDAY NIGHT.
ANZ535-132100-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1258 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH THIS
EVENING...
OVERNIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
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.
ANZ536-132100-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1258 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
WEDNESDAY MORNING...
OVERNIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
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.
ANZ537-132100-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1258 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
WEDNESDAY MORNING...
OVERNIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
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.
ANZ530-132100-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1258 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
WEDNESDAY MORNING...
OVERNIGHT
W WINDS 5 KT. WAVES FLAT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
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.
ANZ531-132100-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1258 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
WEDNESDAY MORNING...
OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON. WAVES
1 TO 2 FT.
TUE NIGHT
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.
ANZ538-132100-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1258 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH THIS
EVENING...
OVERNIGHT
W WINDS AROUND 5 KT. WAVES FLAT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
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.
ANZ539-132100-
CHESTER RIVER TO QUEENSTOWN MD-
1258 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
WEDNESDAY MORNING...
OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON. WAVES
1 FT.
TUE NIGHT
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.
ANZ532-132100-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1258 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
WEDNESDAY MORNING...
OVERNIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TUE NIGHT
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.
ANZ540-132100-
EASTERN BAY-
1258 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
WEDNESDAY MORNING...
OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON. WAVES
1 FT.
TUE NIGHT
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.
ANZ533-132100-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1258 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
WEDNESDAY MORNING...
OVERNIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TUE NIGHT
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.
ANZ541-132100-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1258 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
WEDNESDAY MORNING...
OVERNIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON. WAVES
1 FT.
TUE NIGHT
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.
ANZ542-132100-
PATUXENT RIVER TO BROOMES ISLAND MD-
1258 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
WEDNESDAY MORNING...
OVERNIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
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.
ANZ534-132100-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1258 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
WEDNESDAY MORNING...
OVERNIGHT
W WINDS 10 KT. WAVES 1 TO 2 FT.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TUE NIGHT
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.
ANZ543-132100-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1258 AM EST TUE JAN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH
WEDNESDAY MORNING...
OVERNIGHT
W WINDS 10 KT. WAVES 1 FT.
TUE
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TUE NIGHT
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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