860
FZUS51 KLWX 180804
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
304 AM EST TUE NOV 18 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.
ANZ500-182300-
304 AM EST TUE NOV 18 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A WAVE OF LOW PRESSURE APPROACHING FROM THE OHIO RIVER VALLEY WILL
TRACK ALONG A STALLED FRONT OVER OR JUST SOUTH OF THE MID-ATLANTIC
THROUGH WEDNESDAY. THE FRONT WILL LIKELY REMAIN STALLED JUST TO THE
SOUTH THROUGH THURSDAY. ANOTHER AREA OF LOW PRESSURE MAY TAKE A
SIMILAR PATH FRIDAY INTO SATURDAY. SMALL CRAFT ADVISORIES MAY BE
NEEDED WEDNESDAY AFTERNOON, AND FRIDAY NIGHT INTO SATURDAY.
ANZ535-182300-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
304 AM EST TUE NOV 18 2025
REST OF THE OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
SW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF RAIN.
TONIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT. RAIN. PATCHY FOG. VSBY
1 TO 3 NM.
WED
N WINDS AROUND 5 KT. WAVES 1 FT.
WED NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
THU
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF RAIN.
FRI...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF RAIN IN THE MORNING. A CHANCE OF RAIN IN THE EVENING,
THEN RAIN LIKELY AFTER MIDNIGHT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
ANZ536-182300-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
304 AM EST TUE NOV 18 2025
REST OF THE OVERNIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
SW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF RAIN.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. RAIN. VSBY 1 TO 3 NM.
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 OR LESS.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF RAIN IN THE MORNING. A CHANCE OF RAIN IN THE EVENING,
THEN RAIN LIKELY AFTER MIDNIGHT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
ANZ537-182300-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
304 AM EST TUE NOV 18 2025
REST OF THE OVERNIGHT
N WINDS 10 KT. WAVES 2 FT.
TODAY...NW WINDS 5 TO 10 KT
BECOMING S IN THE AFTERNOON. WAVES
1 FT OR LESS. A CHANCE OF RAIN.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. RAIN. VSBY 1 TO 3 NM.
WED
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
E WINDS AROUND 5 KT. WAVES 1 FT.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI...SW WINDS 5 TO 10 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 TO
2 FT. A CHANCE OF RAIN IN THE EVENING. RAIN LIKELY AFTER MIDNIGHT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN.
ANZ530-182300-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
304 AM EST TUE NOV 18 2025
REST OF THE OVERNIGHT
NW WINDS 10 KT. WAVES 1 FT.
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN.
TONIGHT
S WINDS AROUND 5 KT. WAVES 1 FT. RAIN. PATCHY FOG. VSBY
1 TO 3 NM.
WED
NE WINDS 5 KT. WAVES LESS THAN 1 FT. PATCHY FOG.
WED NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT.
THU
E WINDS AROUND 5 KT. WAVES 1 FT.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
RAIN.
FRI...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF RAIN IN THE MORNING. RAIN LIKELY IN THE EVENING, THEN A
CHANCE OF RAIN AFTER MIDNIGHT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE
MORNING. A CHANCE OF RAIN IN THE EVENING.
ANZ531-182300-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
304 AM EST TUE NOV 18 2025
REST OF THE OVERNIGHT
NW WINDS 10 KT. WAVES 2 FT.
TODAY
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. RAIN. PATCHY FOG. VSBY
1 TO 3 NM.
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. WAVES FLAT.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
RAIN.
FRI...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 TO
2 FT. A CHANCE OF RAIN IN THE MORNING. A CHANCE OF RAIN IN THE
EVENING, THEN RAIN LIKELY AFTER MIDNIGHT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN.
ANZ538-182300-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
304 AM EST TUE NOV 18 2025
REST OF THE OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT. RAIN. PATCHY FOG.
VSBY 1 TO 3 NM.
WED
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
NE WINDS AROUND 5 KT. WAVES FLAT.
THU
E WINDS AROUND 5 KT. WAVES FLAT.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF RAIN.
FRI...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF RAIN IN THE MORNING. A CHANCE OF RAIN IN THE EVENING,
THEN RAIN LIKELY AFTER MIDNIGHT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF RAIN.
ANZ539-182300-
CHESTER RIVER TO QUEENSTOWN MD-
304 AM EST TUE NOV 18 2025
REST OF THE OVERNIGHT
NW WINDS 10 KT. WAVES 2 FT.
TODAY
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. RAIN. PATCHY FOG. VSBY
1 TO 3 NM.
WED
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
E WINDS AROUND 5 KT. WAVES FLAT.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
FRI...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF RAIN IN THE MORNING. A CHANCE OF RAIN IN THE EVENING,
THEN RAIN LIKELY AFTER MIDNIGHT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
ANZ532-182300-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
304 AM EST TUE NOV 18 2025
REST OF THE OVERNIGHT
NW WINDS 10 KT. WAVES 2 FT.
TODAY
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. RAIN. PATCHY FOG. VSBY
1 TO 3 NM.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 TO
2 FT. A CHANCE OF RAIN IN THE MORNING. A CHANCE OF RAIN IN THE
EVENING, THEN RAIN LIKELY AFTER MIDNIGHT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN.
ANZ540-182300-
EASTERN BAY-
304 AM EST TUE NOV 18 2025
REST OF THE OVERNIGHT
NW WINDS 10 KT. WAVES 2 FT.
TODAY
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. RAIN. PATCHY FOG. VSBY
1 TO 3 NM.
WED
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
E WINDS AROUND 5 KT. WAVES FLAT.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
FRI...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF RAIN IN THE MORNING. A CHANCE OF RAIN IN THE EVENING,
THEN RAIN LIKELY AFTER MIDNIGHT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
ANZ533-182300-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
304 AM EST TUE NOV 18 2025
REST OF THE OVERNIGHT
NW WINDS 10 KT. WAVES 2 FT.
TODAY...W WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT OR LESS. A
CHANCE OF RAIN.
TONIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT. RAIN. VSBY 1 TO 3 NM.
WED
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI...SW WINDS 5 TO 10 KT
BECOMING NW 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF RAIN IN THE MORNING. A CHANCE OF RAIN
IN THE EVENING, THEN RAIN LIKELY AFTER MIDNIGHT.
SAT
N WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF RAIN.
ANZ541-182300-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
304 AM EST TUE NOV 18 2025
REST OF THE OVERNIGHT
NW WINDS 10 KT. WAVES 2 FT.
TODAY...W WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT. A CHANCE
OF RAIN.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. RAIN. VSBY 1 TO 3 NM.
WED
NE WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI...SW WINDS 5 TO 10 KT
BECOMING NW 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT. A CHANCE OF RAIN IN THE MORNING. A CHANCE OF RAIN IN THE
EVENING, THEN RAIN LIKELY AFTER MIDNIGHT.
SAT
N WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF RAIN.
ANZ542-182300-
PATUXENT RIVER TO BROOMES ISLAND MD-
304 AM EST TUE NOV 18 2025
REST OF THE OVERNIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF RAIN.
TONIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. RAIN. VSBY 1 TO 3 NM.
WED
NW 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.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
FRI...SW WINDS 5 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT. A
CHANCE OF RAIN IN THE MORNING. A CHANCE OF RAIN IN THE EVENING, THEN
RAIN LIKELY AFTER MIDNIGHT.
SAT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN.
ANZ534-182300-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
304 AM EST TUE NOV 18 2025
REST OF THE OVERNIGHT
NW WINDS 15 KT. WAVES 3 FT.
TODAY...NW WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 TO 2 FT. A
CHANCE OF RAIN.
TONIGHT
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. RAIN. VSBY 1 TO
3 NM.
WED...W WINDS 5 TO 10 KT
BECOMING N IN THE AFTERNOON. WAVES 1 FT.
WED NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
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 EVENING. RAIN LIKELY AFTER
MIDNIGHT.
SAT
N WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF RAIN.
ANZ543-182300-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
304 AM EST TUE NOV 18 2025
REST OF THE OVERNIGHT
NW WINDS 15 KT. WAVES 2 FT.
TODAY...NW WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT. A CHANCE
OF RAIN.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. RAIN. VSBY 1 TO 3 NM.
WED...W WINDS 5 TO 10 KT
BECOMING N IN THE AFTERNOON. WAVES 1 FT.
WED NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI
SW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF RAIN IN THE
EVENING. RAIN LIKELY AFTER MIDNIGHT.
SAT
N WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF RAIN.
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