469
FZUS51 KLWX 120858
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
358 AM 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.
ANZ500-122300-
358 AM 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.
ANZ535-122300-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
358 AM EST MON JAN 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING
REST OF THE OVERNIGHT
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT.
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.
WED NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT. RAIN LIKELY.
THU
NW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF RAIN. A CHANCE
OF SNOW THROUGH THE NIGHT.
FRI...W WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT. WAVES 1 FT.
ANZ536-122300-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
358 AM EST MON JAN 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING
REST OF THE OVERNIGHT
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TODAY...W WINDS 5 TO 10 KT
BECOMING SW LATE. 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 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
WED
SW WINDS 10 TO 15 KT. WAVES 1 FT.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
THU...NW WINDS 5 TO 10 KT
INCREASING TO 15 TO 20 KT. WAVES 1 TO
2 FT. RAIN LIKELY IN THE MORNING, THEN A CHANCE OF RAIN AND SNOW
THROUGH THE NIGHT.
FRI...W WINDS 10 TO 15 KT
BECOMING S 5 TO 10 KT. WAVES 1 FT.
ANZ537-122300-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
358 AM EST MON JAN 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING
REST OF THE OVERNIGHT
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TODAY...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING SW
5 TO 10 KT IN THE AFTERNOON. WAVES 1 TO 2 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
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 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
THU...NW WINDS 20 TO 25 KT. WAVES 1 TO 2 FT
BUILDING TO 3 FT. A
CHANCE OF RAIN. A CHANCE OF SNOW THROUGH THE NIGHT.
FRI...W WINDS 15 TO 20 KT
BECOMING SW 5 TO 10 KT. WAVES 1 TO
2 FT.
ANZ530-122300-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
358 AM EST MON JAN 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING
REST OF THE OVERNIGHT
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TODAY
W WINDS 5 TO 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
W WINDS AROUND 5 KT. WAVES FLAT. RAIN LIKELY.
THU...NW WINDS 5 TO 10 KT
INCREASING TO 20 TO 25 KT. WAVES 1 TO
2 FT. A CHANCE OF RAIN. A CHANCE OF SNOW THROUGH THE NIGHT.
FRI...NW WINDS 15 TO 20 KT
BECOMING SW 5 TO 10 KT. WAVES 1 TO
2 FT.
ANZ531-122300-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
358 AM EST MON JAN 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING
REST OF THE OVERNIGHT
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TODAY...W WINDS 10 TO 15 KT
BECOMING SW LATE. WAVES 1 TO 2 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 5 TO 10 KT. WAVES 1 FT. RAIN LIKELY.
THU...NW WINDS 20 TO 25 KT. WAVES 1 FT
BUILDING TO 3 FT. A CHANCE
OF RAIN. A CHANCE OF SNOW THROUGH THE NIGHT.
FRI...W WINDS 15 TO 20 KT
BECOMING SW 5 TO 10 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT.
ANZ538-122300-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
358 AM EST MON JAN 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING
REST OF THE OVERNIGHT
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TODAY
W WINDS 5 TO 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
S 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 AROUND 5 KT. WAVES FLAT. RAIN LIKELY.
THU
NW WINDS 15 TO 20 KT. WAVES 1 FT. A CHANCE OF RAIN. A CHANCE
OF SNOW THROUGH THE NIGHT.
FRI...W WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT. WAVES 1 FT OR
LESS.
ANZ539-122300-
CHESTER RIVER TO QUEENSTOWN MD-
358 AM EST MON JAN 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING
REST OF THE OVERNIGHT
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TODAY...W WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT LATE. WAVES
1 TO 2 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.
WED NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. RAIN LIKELY.
THU...NW WINDS 5 TO 10 KT
INCREASING TO 20 TO 25 KT. WAVES 2 TO
3 FT. A CHANCE OF RAIN. A CHANCE OF SNOW THROUGH THE NIGHT.
FRI...W WINDS 15 TO 20 KT
BECOMING SW 5 TO 10 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT.
ANZ532-122300-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
358 AM EST MON JAN 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING
REST OF THE OVERNIGHT
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TODAY...W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING SW IN
THE AFTERNOON. WAVES 1 TO 2 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...S WINDS 5 KT
INCREASING TO 10 TO 15 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
TUE NIGHT
S WINDS 15 TO 20 KT. WAVES 3 FT.
WED
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. RAIN LIKELY.
THU...NW WINDS 10 TO 15 KT
INCREASING TO 20 TO 25 KT. WAVES 2 TO
3 FT. A CHANCE OF RAIN. A CHANCE OF SNOW THROUGH THE NIGHT.
FRI...NW WINDS 20 TO 25 KT
BECOMING W 10 TO 15 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING SW AFTER MIDNIGHT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
ANZ540-122300-
EASTERN BAY-
358 AM EST MON JAN 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING
REST OF THE OVERNIGHT
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TODAY...W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING SW 5 TO
10 KT IN THE AFTERNOON. 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 TO 10 KT. WAVES 1 FT. RAIN LIKELY.
THU
NW WINDS 20 TO 25 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN. A
CHANCE OF SNOW THROUGH THE NIGHT.
FRI...W WINDS 15 TO 20 KT
BECOMING SW 5 TO 10 KT. WAVES 1 TO
2 FT.
ANZ533-122300-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
358 AM EST MON JAN 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING
REST OF THE OVERNIGHT
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TODAY...W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING SW 5 TO
10 KT IN THE AFTERNOON. WAVES 1 TO 2 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
S WINDS 15 TO 20 KT. WAVES 3 FT.
WED
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
THU...W WINDS 10 TO 15 KT
BECOMING NW 25 TO 30 KT. WAVES 2 TO
3 FT...BUILDING TO 4 FT. A CHANCE OF RAIN. A CHANCE OF SNOW THROUGH
THE NIGHT.
FRI...NW WINDS 20 TO 25 KT
BECOMING W 10 TO 15 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING SW AFTER MIDNIGHT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
ANZ541-122300-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
358 AM EST MON JAN 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING
REST OF THE OVERNIGHT
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TODAY...W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING SW 5 TO
10 KT IN THE AFTERNOON. WAVES 1 TO 2 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 TO 2 FT.
WED NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
THU...NW WINDS 10 TO 15 KT
INCREASING TO 25 TO 30 KT. WAVES 2 TO
3 FT. A CHANCE OF RAIN. A CHANCE OF SNOW THROUGH THE NIGHT.
FRI...NW WINDS 20 TO 25 KT
BECOMING W 10 TO 15 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING S AFTER MIDNIGHT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT.
ANZ542-122300-
PATUXENT RIVER TO BROOMES ISLAND MD-
358 AM EST MON JAN 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING
REST OF THE OVERNIGHT
NW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TODAY
W WINDS 5 TO 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 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 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
THU
NW WINDS 15 TO 20 KT. WAVES 1 FT. A CHANCE OF RAIN. A CHANCE
OF SNOW THROUGH THE NIGHT.
FRI...W WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT. WAVES 1 FT.
ANZ534-122300-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
358 AM EST MON JAN 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING
REST OF THE OVERNIGHT
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
4 FT.
TODAY...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING SW
5 TO 10 KT IN THE AFTERNOON. WAVES 3 FT... SUBSIDING TO 1 FT IN THE
AFTERNOON.
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 WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
WED NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN.
THU...W WINDS 15 TO 20 KT
BECOMING NW 25 TO 30 KT. WAVES 2 TO
3 FT...BUILDING TO 4 FT. A CHANCE OF RAIN. A CHANCE OF SNOW THROUGH
THE NIGHT.
FRI...NW WINDS 20 TO 25 KT
BECOMING W 10 TO 15 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING SW AFTER MIDNIGHT. WAVES 3 FT...
SUBSIDING TO 2 FT.
ANZ543-122300-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
358 AM EST MON JAN 12 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM EST THIS MORNING
REST OF THE OVERNIGHT
NW WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TODAY...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING SW
5 TO 10 KT IN THE AFTERNOON. WAVES 1 TO 2 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 WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
SW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF RAIN.
THU...W WINDS 15 TO 20 KT
BECOMING NW 25 TO 30 KT. WAVES 2 TO
3 FT. A CHANCE OF RAIN. A CHANCE OF SNOW THROUGH THE NIGHT.
FRI...NW WINDS 20 TO 25 KT
BECOMING W 10 TO 15 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING SW AFTER MIDNIGHT. WAVES 1 TO
2 FT.
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