221
FZUS51 KLWX 170804
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
304 AM EST MON NOV 17 2025
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.
ANZ500-172300-
304 AM EST MON NOV 17 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
BLUSTERY CONDITIONS WILL PERSIST THROUGH TODAY. A WAVE OF LOW
PRESSURE WILL LIKELY APPROACH TUESDAY INTO WEDNESDAY. ANOTHER AREA
OF LOW PRESSURE MAY APPROACH LATE IN THE WEEK.
ANZ535-172300-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
304 AM EST MON NOV 17 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF RAIN.
TUE NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT. RAIN.
WED
N WINDS AROUND 5 KT. WAVES 1 FT.
WED NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF RAIN
AFTER MIDNIGHT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE
MORNING. A CHANCE OF RAIN THROUGH THE NIGHT.
ANZ536-172300-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
304 AM EST MON NOV 17 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF RAIN.
TUE NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. RAIN.
WED
N WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
THU
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF RAIN
AFTER MIDNIGHT.
FRI
SW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE
MORNING. A CHANCE OF RAIN THROUGH THE NIGHT.
ANZ537-172300-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
304 AM EST MON NOV 17 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TODAY
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TUE
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF RAIN.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. RAIN.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF RAIN
AFTER MIDNIGHT.
FRI
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN
THROUGH THE NIGHT.
ANZ530-172300-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
304 AM EST MON NOV 17 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
W WINDS 20 KT WITH GUSTS TO 30 KT. WAVES
2 FT.
TODAY
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
TONIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 25 KT EARLY IN THE
EVENING. WAVES 1 TO 2 FT.
TUE
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN.
TUE NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT. RAIN.
WED
NE WINDS AROUND 5 KT. WAVES 1 FT.
WED NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
THU
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF RAIN
AFTER MIDNIGHT.
FRI...SW WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF RAIN IN THE MORNING. RAIN LIKELY IN THE EVENING, THEN A
CHANCE OF RAIN AFTER MIDNIGHT.
ANZ531-172300-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
304 AM EST MON NOV 17 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
W WINDS 20 KT WITH GUSTS TO 30 KT. WAVES
3 FT.
TODAY
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TONIGHT...NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING
TO 5 TO 10 KT LATE. WAVES 2 TO 3 FT.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
TUE NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. RAIN.
WED
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF RAIN
AFTER MIDNIGHT.
FRI...S WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 TO
2 FT. A CHANCE OF RAIN IN THE MORNING. A CHANCE OF RAIN THROUGH THE
NIGHT.
ANZ538-172300-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
304 AM EST MON NOV 17 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
W WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
1 FT.
TODAY
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING W
5 KT LATE. WAVES 1 FT.
TUE
W WINDS 5 KT. WAVES FLAT. A CHANCE OF RAIN.
TUE NIGHT
SE WINDS 5 KT. WAVES FLAT. RAIN.
WED
NE WINDS 5 KT. WAVES FLAT.
WED NIGHT
NE WINDS AROUND 5 KT. WAVES FLAT.
THU
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF RAIN AFTER
MIDNIGHT.
FRI...SW WINDS 5 TO 10 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF RAIN IN THE MORNING. RAIN LIKELY IN THE EVENING, THEN A
CHANCE OF RAIN AFTER MIDNIGHT.
ANZ539-172300-
CHESTER RIVER TO QUEENSTOWN MD-
304 AM EST MON NOV 17 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
W WINDS 20 KT WITH GUSTS TO 30 KT. WAVES
3 FT.
TODAY
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TONIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT EARLY IN THE
EVENING. WAVES 2 TO 3 FT.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
TUE NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. RAIN.
WED
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
NE WINDS 5 KT. WAVES FLAT.
THU
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF RAIN AFTER
MIDNIGHT.
FRI...SW WINDS 5 TO 10 KT
BECOMING W 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF RAIN IN THE MORNING. A CHANCE OF RAIN
THROUGH THE NIGHT.
ANZ532-172300-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
304 AM EST MON NOV 17 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
W WINDS 20 KT WITH GUSTS TO 30 KT. WAVES
3 FT.
TODAY
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TONIGHT...NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING
TO 5 TO 10 KT LATE. WAVES 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. RAIN.
WED
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU...E WINDS AROUND 5 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT
OR LESS. A CHANCE OF RAIN AFTER MIDNIGHT.
FRI...S WINDS 10 TO 15 KT
BECOMING W 15 TO 20 KT. WAVES 1 TO
2 FT. A CHANCE OF RAIN IN THE MORNING. A CHANCE OF RAIN THROUGH THE
NIGHT.
ANZ540-172300-
EASTERN BAY-
304 AM EST MON NOV 17 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
W WINDS 20 KT WITH GUSTS TO 30 KT. WAVES
2 FT.
TODAY
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
TONIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT. WAVES 1 TO 2 FT.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
TUE NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. RAIN.
WED
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
NE WINDS 5 KT. WAVES FLAT.
THU
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF RAIN AFTER
MIDNIGHT.
FRI...SW WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 TO
2 FT. A CHANCE OF RAIN IN THE MORNING. A CHANCE OF RAIN THROUGH THE
NIGHT.
ANZ533-172300-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
304 AM EST MON NOV 17 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
W WINDS 20 KT WITH GUSTS TO 30 KT. WAVES
3 FT.
TODAY
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TONIGHT...NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING
TO 10 KT LATE. WAVES 2 TO 3 FT.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. RAIN.
WED
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
THU...NE WINDS AROUND 5 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT
OR LESS. A CHANCE OF RAIN AFTER MIDNIGHT.
FRI...SW WINDS 15 TO 20 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 TO
2 FT. A CHANCE OF RAIN IN THE MORNING. A CHANCE OF RAIN THROUGH THE
NIGHT.
ANZ541-172300-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
304 AM EST MON NOV 17 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
W WINDS 20 KT WITH GUSTS TO 30 KT. WAVES
3 FT.
TODAY
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TONIGHT...NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING
TO 5 TO 10 KT LATE. WAVES 2 TO 3 FT.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. RAIN.
WED
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF RAIN
AFTER MIDNIGHT.
FRI...S WINDS 10 TO 15 KT
BECOMING W 15 TO 20 KT. WAVES 1 TO
2 FT. A CHANCE OF RAIN IN THE MORNING. A CHANCE OF RAIN THROUGH THE
NIGHT.
ANZ542-172300-
PATUXENT RIVER TO BROOMES ISLAND MD-
304 AM EST MON NOV 17 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
W WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
1 FT.
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
TONIGHT
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT.
TUE
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN.
TUE NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. RAIN.
WED
N WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
THU
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF RAIN AFTER
MIDNIGHT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE
MORNING. A CHANCE OF RAIN THROUGH THE NIGHT.
ANZ534-172300-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
304 AM EST MON NOV 17 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
NW WINDS 25 KT WITH GUSTS TO 30 KT. WAVES
4 FT.
TODAY
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
TONIGHT
NW WINDS 15 TO 20 KT. GUSTS UP TO 25 KT UNTIL EARLY
MORNING. WAVES 2 TO 3 FT.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. RAIN.
WED
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
THU...NE WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT
OR LESS. A CHANCE OF RAIN AFTER MIDNIGHT.
FRI...SW WINDS 15 TO 20 KT
BECOMING W AFTER MIDNIGHT. WAVES 2 TO
3 FT. A CHANCE OF RAIN THROUGH THE NIGHT.
ANZ543-172300-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
304 AM EST MON NOV 17 2025
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
REST OF THE OVERNIGHT
NW WINDS 25 KT WITH GUSTS TO 30 KT. WAVES
3 FT.
TODAY
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TONIGHT
NW WINDS 15 TO 20 KT. GUSTS UP TO 25 KT UNTIL EARLY
MORNING. WAVES 1 TO 2 FT.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. RAIN.
WED
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
THU...NE WINDS 5 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT OR
LESS. A CHANCE OF RAIN AFTER MIDNIGHT.
FRI
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN
THROUGH THE NIGHT.
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