828
FZUS51 KLWX 201036
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
536 AM EST TUE JAN 20 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.
ANZ500-202200-
536 AM EST TUE JAN 20 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD ACROSS THE MID-ATLANTIC THROUGH WEDNESDAY.
A COLD FRONT WILL CROSS THE AREA WEDNESDAY NIGHT. A SECOND COLD
FRONT WILL CROSS THE REGION THURSDAY, WITH A THIRD SET TO CROSS
FRIDAY. ARCTIC HIGH PRESSURE WILL BUILD ACROSS THE MIDWEST, GREAT
LAKES AND NORTHEAST THIS WEEKEND AS LOW PRESSURE DEVELOPS AND LIFTS
UP FROM THE SOUTH. SMALL CRAFT ADVISORIES WILL LIKELY BE NEEDED
WEDNESDAY INTO WEDNESDAY NIGHT, AND MAY BE NEEDED LATE FRIDAY INTO
THE WEEKEND.
ANZ535-202200-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
536 AM EST TUE JAN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
WED NIGHT
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SNOW THROUGH THE
DAY, THEN SNOW LIKELY THROUGH THE NIGHT.
ANZ536-202200-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
536 AM EST TUE JAN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
NW WINDS 10 KT. WAVES 1 FT.
TONIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
FRI
N WINDS 10 TO 15 KT. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SNOW THROUGH THE
DAY, THEN SNOW LIKELY THROUGH THE NIGHT.
ANZ537-202200-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
536 AM EST TUE JAN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TONIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI...N WINDS 5 TO 10 KT
INCREASING TO 15 TO 20 KT. WAVES 1 TO
2 FT.
SAT
N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SNOW
THROUGH THE DAY, THEN SNOW LIKELY THROUGH THE NIGHT.
ANZ530-202200-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
536 AM EST TUE JAN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
W WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT...W WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT.
WED...S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING 15 KT
WITH GUSTS TO 25 KT LATE. WAVES 1 TO 2 FT.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 10 TO 15 KT. WAVES 1 FT.
SAT...N WINDS 10 TO 15 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SNOW THROUGH THE NIGHT. SNOW LIKELY AFTER MIDNIGHT.
ANZ531-202200-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
536 AM EST TUE JAN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
W WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...NW WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 TO 2 FT.
WED
S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
SAT...N WINDS 10 TO 15 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 TO
2 FT. A CHANCE OF SNOW THROUGH THE NIGHT. SNOW LIKELY AFTER
MIDNIGHT.
ANZ538-202200-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
536 AM EST TUE JAN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SNOW THROUGH THE
NIGHT. SNOW LIKELY AFTER MIDNIGHT.
ANZ539-202200-
CHESTER RIVER TO QUEENSTOWN MD-
536 AM EST TUE JAN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...NW WINDS 5 TO 10 KT
BECOMING SE LATE. WAVES 1 TO 2 FT.
WED...SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING S 15 TO
20 KT WITH GUSTS TO 30 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT...N WINDS 10 TO 15 KT
BECOMING NE AFTER MIDNIGHT. WAVES 1 TO
2 FT. A CHANCE OF SNOW THROUGH THE NIGHT. SNOW LIKELY AFTER
MIDNIGHT.
ANZ532-202200-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
536 AM EST TUE JAN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...NW WINDS 5 TO 10 KT
BECOMING E LATE. WAVES 1 FT.
WED...SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING S 15 TO
20 KT WITH GUSTS TO 25 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
SAT...N WINDS 15 TO 20 KT
BECOMING NE AFTER MIDNIGHT. WAVES 2 FT.
A CHANCE OF SNOW IN THE AFTERNOON. SNOW LIKELY THROUGH THE NIGHT.
ANZ540-202200-
EASTERN BAY-
536 AM EST TUE JAN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...NW WINDS 5 TO 10 KT
BECOMING E LATE. WAVES 1 FT.
WED...SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING S 15 TO
20 KT WITH GUSTS TO 25 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...NW WINDS 5 TO 10 KT
INCREASING TO 15 TO 20 KT. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SNOW THROUGH THE
NIGHT. SNOW LIKELY AFTER MIDNIGHT.
ANZ533-202200-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
536 AM EST TUE JAN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
TONIGHT...NW WINDS 5 TO 10 KT
BECOMING E LATE. WAVES 1 FT.
WED...SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING S 15 TO
20 KT WITH GUSTS TO 25 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
THU
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...N WINDS 15 TO 20 KT. WAVES 1 FT
BUILDING TO 3 FT.
SAT
N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SNOW
THROUGH THE DAY, THEN SNOW LIKELY THROUGH THE NIGHT.
ANZ541-202200-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
536 AM EST TUE JAN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY...NW WINDS 15 TO 20 KT
DIMINISHING TO 10 KT LATE. GUSTS UP
TO 25 KT. WAVES 2 FT.
TONIGHT...NW WINDS 5 TO 10 KT
BECOMING E LATE. WAVES 1 FT.
WED...SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING S 15 TO
20 KT WITH GUSTS TO 25 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING N 15 TO 20 KT. WAVES 1 TO
2 FT.
SAT
N WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SNOW
THROUGH THE DAY, THEN SNOW LIKELY THROUGH THE NIGHT.
ANZ542-202200-
PATUXENT RIVER TO BROOMES ISLAND MD-
536 AM EST TUE JAN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
FRI
N WINDS 10 TO 15 KT. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SNOW THROUGH THE
DAY, THEN SNOW LIKELY THROUGH THE NIGHT.
ANZ534-202200-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
536 AM EST TUE JAN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
TONIGHT...N WINDS 5 TO 10 KT
BECOMING E LATE. WAVES 1 FT.
WED
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
THU
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU NIGHT...W WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
FRI...N WINDS 5 TO 10 KT...INCREASING TO 15 TO 20 KT. WAVES 1 FT
BUILDING TO 3 FT.
SAT
N WINDS 15 TO 20 KT. WAVES 3 FT. A CHANCE OF SNOW THROUGH THE
DAY, THEN SNOW THROUGH THE NIGHT.
ANZ543-202200-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
536 AM EST TUE JAN 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TONIGHT...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES
1 FT.
WED...SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING S 15 TO
20 KT WITH GUSTS TO 25 KT IN THE AFTERNOON. WAVES 1 TO 2 FT.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU
SW WINDS 10 TO 15 KT. WAVES 1 FT.
THU NIGHT...W WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
FRI...N WINDS 5 TO 10 KT
INCREASING TO 15 TO 20 KT. WAVES 1 TO
2 FT.
SAT
N WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF SNOW THROUGH THE
DAY, THEN SNOW LIKELY THROUGH THE NIGHT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page