923
FZUS51 KLWX 122059
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
359 PM EST MON JAN 12 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.
ANZ500-130900-
359 PM EST MON JAN 12 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD SOUTH OF THE AREA TODAY 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.
ANZ535-130900-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
359 PM EST MON JAN 12 2026
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
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 20 KT AFTER MIDNIGHT. WAVES 1 FT. RAIN LIKELY.
THU
NW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF RAIN AND SNOW
IN THE MORNING.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-130900-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
359 PM EST MON JAN 12 2026
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
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 20 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
RAIN LIKELY.
THU
NW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN AND
SNOW IN THE MORNING.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ537-130900-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
359 PM EST MON JAN 12 2026
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 FT.
WED
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. RAIN LIKELY.
THU
NW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF RAIN AND
SNOW IN THE MORNING.
FRI...W WINDS 10 TO 15 KT
BECOMING SW. WAVES 1 TO 2 FT.
ANZ530-130900-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
359 PM EST MON JAN 12 2026
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
WED NIGHT...SW WINDS AROUND 5 KT
BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. WAVES 1 FT OR LESS. RAIN LIKELY.
THU
W WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN AND
SNOW IN THE MORNING.
FRI...W WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT. WAVES 1 FT.
ANZ531-130900-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
359 PM EST MON JAN 12 2026
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. 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 AROUND 5 KT
BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. WAVES FLAT...BUILDING TO 2 FT AFTER MIDNIGHT. RAIN LIKELY.
THU
NW WINDS 20 TO 25 KT. WAVES 2 TO 3 FT. A CHANCE OF RAIN AND
SNOW IN THE MORNING.
FRI...W WINDS 15 TO 20 KT
BECOMING SW 10 TO 15 KT. WAVES 1 TO
2 FT.
ANZ538-130900-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
359 PM EST MON JAN 12 2026
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. RAIN LIKELY.
THU
NW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN AND
SNOW IN THE MORNING.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ539-130900-
CHESTER RIVER TO QUEENSTOWN MD-
359 PM EST MON JAN 12 2026
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
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.
WED NIGHT...SW WINDS 5 KT
BECOMING W 10 TO 15 KT AFTER MIDNIGHT.
WAVES FLAT...BUILDING TO 2 FT AFTER MIDNIGHT. RAIN LIKELY.
THU
NW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF RAIN AND
SNOW IN THE MORNING.
FRI...W WINDS 10 TO 15 KT
BECOMING SW. WAVES 1 TO 2 FT.
ANZ532-130900-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
359 PM EST MON JAN 12 2026
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. WAVES 3 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WED NIGHT...SW WINDS 5 KT
BECOMING W 10 TO 15 KT WITH GUSTS TO
20 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. RAIN LIKELY.
THU
NW WINDS 20 TO 25 KT. WAVES 2 TO 3 FT. A CHANCE OF RAIN AND
SNOW IN THE MORNING.
FRI...W WINDS 15 TO 20 KT
BECOMING SW 10 TO 15 KT. WAVES 2 FT.
ANZ540-130900-
EASTERN BAY-
359 PM EST MON JAN 12 2026
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
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.
WED NIGHT...SW WINDS 5 KT
BECOMING W 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT. RAIN LIKELY.
THU
NW WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF RAIN AND SNOW
IN THE MORNING.
FRI...W WINDS 10 TO 15 KT
BECOMING SW. WAVES 1 TO 2 FT.
ANZ533-130900-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
359 PM EST MON JAN 12 2026
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. WAVES 3 FT.
WED
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED NIGHT
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. RAIN LIKELY.
THU
NW WINDS 20 TO 25 KT. WAVES 3 FT. A CHANCE OF RAIN AND SNOW
IN THE MORNING.
FRI...W WINDS 15 TO 20 KT
BECOMING SW 10 TO 15 KT. WAVES 2 FT.
ANZ541-130900-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
359 PM EST MON JAN 12 2026
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 FT.
TUE NIGHT
S WINDS 15 TO 20 KT. WAVES 2 FT.
WED
SW WINDS 10 TO 15 KT. WAVES 1 FT.
WED NIGHT...SW WINDS 5 TO 10 KT
BECOMING W 15 TO 20 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. RAIN LIKELY.
THU
NW WINDS 20 TO 25 KT. WAVES 2 TO 3 FT. A CHANCE OF RAIN AND
SNOW IN THE MORNING.
FRI...W WINDS 15 TO 20 KT
BECOMING SW 10 TO 15 KT. WAVES 1 TO
2 FT.
ANZ542-130900-
PATUXENT RIVER TO BROOMES ISLAND MD-
359 PM EST MON JAN 12 2026
REST OF THIS AFTERNOON
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
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 20 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. RAIN LIKELY.
THU
NW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF RAIN AND SNOW
IN THE MORNING.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-130900-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
359 PM EST MON JAN 12 2026
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING W
5 TO 10 KT LATE. WAVES 2 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. WAVES 3 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. RAIN LIKELY.
THU
NW WINDS 20 TO 25 KT. WAVES 3 FT. A CHANCE OF RAIN AND SNOW
IN THE MORNING.
FRI...W WINDS 15 TO 20 KT
BECOMING SW 10 TO 15 KT. WAVES 2 TO
3 FT.
ANZ543-130900-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
359 PM EST MON JAN 12 2026
REST OF THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT.
TONIGHT...SW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT LATE. WAVES
1 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 15 TO 20 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. GUSTS UP TO 20 KT. WAVES 1 FT.
THU
NW WINDS 20 TO 25 KT. WAVES 2 FT. A CHANCE OF RAIN AND SNOW
IN THE MORNING.
FRI...W WINDS 15 TO 20 KT
BECOMING SW 10 TO 15 KT. WAVES 1 TO
2 FT.
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