175
FZUS51 KLWX 112059
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
459 PM EDT SUN OCT 11 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.
ANZ500-120800-
459 PM EDT SUN OCT 11 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
THE REMNANTS OF ISAIAS WILL MOVE ACROSS THE REGION THROUGH MONDAY
MORNING. IN THE WAKE, HIGH PRESSURE BUILDS TO THE SOUTH OF THE
WATERS TUESDAY. A DRY COLD FRONT WILL PUSH SOUTHWARD WEDNESDAY.
SMALL CRAFT ADVISORIES MAY BE NEEDED TUESDAY NIGHT AND WEDNESDAY
NIGHT THROUGH THURSDAY.
ANZ535-120800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
459 PM EDT SUN OCT 11 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT MONDAY THROUGH
MONDAY AFTERNOON...
REST OF THIS AFTERNOON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT...NE WINDS 5 KT
BECOMING NW WITH GUSTS TO 20 KT LATE.
WAVES 1 FT. SHOWERS WITH A CHANCE OF TSTMS.
MON
NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
LIKELY.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED...W WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
THU...NE WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-120800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
459 PM EDT SUN OCT 11 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT MONDAY THROUGH
MONDAY AFTERNOON...
REST OF THIS AFTERNOON
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT...E WINDS 5 TO 10 KT
BECOMING W 10 TO 15 KT WITH GUSTS TO
25 KT AFTER MIDNIGHT. WAVES 1 FT. SHOWERS WITH A CHANCE OF TSTMS.
MON
NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT UNTIL LATE AFTERNOON.
WAVES 1 FT. SHOWERS LIKELY.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED...SW WINDS AROUND 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
THU...NE WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-120800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
459 PM EDT SUN OCT 11 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF THIS AFTERNOON
SE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
2 FT. SHOWERS LIKELY WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT...SE WINDS 10 KT
BECOMING SW AFTER MIDNIGHT. GUSTS UP TO
20 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON...NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT
DIMINISHING TO
10 KT WITH GUSTS TO 20 KT LATE. WAVES 2 FT. SHOWERS LIKELY.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU...NE WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-120800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
459 PM EDT SUN OCT 11 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT MONDAY THROUGH
MONDAY AFTERNOON...
REST OF THIS AFTERNOON
E WINDS 15 KT. WAVES 2 FT. SHOWERS WITH A
SLIGHT CHANCE OF TSTMS.
TONIGHT
NE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS WITH A CHANCE OF TSTMS.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
LIKELY.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT. WAVES 1 FT.
WED...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
THU...NE WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-120800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
459 PM EDT SUN OCT 11 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT MONDAY THROUGH
MONDAY AFTERNOON...
REST OF THIS AFTERNOON
E WINDS 10 KT. WAVES 3 FT. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS WITH A CHANCE OF TSTMS.
MON
N WINDS 10 TO 15 KT. GUSTS UP TO 25 KT UNTIL LATE AFTERNOON.
WAVES 2 FT. SHOWERS.
MON NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
SW WINDS 10 TO 15 KT. WAVES 2 FT.
WED...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
THU...N WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT. WAVES 1 TO 2 FT.
A CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-120800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
459 PM EDT SUN OCT 11 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT MONDAY THROUGH
MONDAY AFTERNOON...
REST OF THIS AFTERNOON
E WINDS 10 KT. WAVES 2 FT. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT
NE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS WITH A CHANCE OF TSTMS.
MON
NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
THU...NE WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-120800-
CHESTER RIVER TO QUEENSTOWN MD-
459 PM EDT SUN OCT 11 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT MONDAY THROUGH
MONDAY AFTERNOON...
REST OF THIS AFTERNOON
E WINDS 10 KT. WAVES 2 FT. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS WITH A CHANCE OF TSTMS.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
THU...NE WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-120800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
459 PM EDT SUN OCT 11 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT MONDAY THROUGH
MONDAY AFTERNOON...
REST OF THIS AFTERNOON
E WINDS 10 KT. WAVES 2 FT. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT...E WINDS 5 TO 10 KT
BECOMING NW 10 TO 15 KT LATE. GUSTS
UP TO 20 KT. WAVES 1 TO 2 FT. SHOWERS WITH A CHANCE OF TSTMS.
MON...N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING NW 10 KT
LATE. WAVES 2 FT. SHOWERS.
MON NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
SW WINDS 10 TO 15 KT. WAVES 2 FT.
WED...SW WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT.
THU...N WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT. WAVES 1 TO 2 FT.
A CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-120800-
EASTERN BAY-
459 PM EDT SUN OCT 11 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT MONDAY THROUGH
MONDAY AFTERNOON...
REST OF THIS AFTERNOON
E WINDS 10 KT. WAVES 2 FT. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT...SE WINDS 5 TO 10 KT
BECOMING W WITH GUSTS TO 20 KT
LATE. WAVES 1 FT. SHOWERS WITH A CHANCE OF TSTMS.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS.
MON NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
THU...NE WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-120800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
459 PM EDT SUN OCT 11 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF THIS AFTERNOON
SE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
2 FT. SHOWERS LIKELY WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT...SE WINDS 10 KT
BECOMING W LATE. GUSTS UP TO 20 KT.
WAVES 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SHOWERS.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT.
WED...SW WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
THU...N WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT. WAVES 1 TO 2 FT.
A CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-120800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
459 PM EDT SUN OCT 11 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT MONDAY THROUGH
MONDAY AFTERNOON...
REST OF THIS AFTERNOON
SE WINDS 10 KT. WAVES 2 FT. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT...SE WINDS 5 TO 10 KT
BECOMING W LATE. GUSTS UP TO 20 KT.
WAVES 1 FT. SHOWERS WITH A CHANCE OF TSTMS.
MON
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
MON NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
WED...SW WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT.
THU...N WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT. WAVES 1 FT. A
CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-120800-
PATUXENT RIVER TO BROOMES ISLAND MD-
459 PM EDT SUN OCT 11 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT MONDAY THROUGH
MONDAY AFTERNOON...
REST OF THIS AFTERNOON
SE WINDS 10 KT. WAVES 1 FT. SHOWERS LIKELY
WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT...SE WINDS 5 TO 10 KT
BECOMING SW AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 1 FT. SHOWERS WITH A CHANCE OF TSTMS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SHOWERS.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED...SW WINDS AROUND 5 KT
BECOMING NW AFTER MIDNIGHT. WAVES
1 FT.
THU...NE WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-120800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
459 PM EDT SUN OCT 11 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF THIS AFTERNOON
SE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
3 FT. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT...SE WINDS 10 TO 15 KT
BECOMING SW AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 4 FT. SHOWERS
LIKELY.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE...W WINDS AROUND 5 KT
BECOMING S IN THE AFTERNOON. WAVES
1 FT.
TUE NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT.
WED...SW WINDS 5 TO 10 KT
BECOMING NW 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
THU...N WINDS 10 TO 15 KT
BECOMING E. WAVES 1 TO 2 FT. A CHANCE
OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-120800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
459 PM EDT SUN OCT 11 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF THIS AFTERNOON
SE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
2 FT. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT...SE WINDS 10 TO 15 KT
BECOMING SW AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON...NW WINDS 15 TO 20 KT
BECOMING N IN THE AFTERNOON. GUSTS UP
TO 30 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...NW WINDS 5 KT
BECOMING S IN THE AFTERNOON. WAVES 1 FT OR
LESS.
TUE NIGHT
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
THU...N WINDS 10 TO 15 KT
BECOMING E. WAVES 1 FT. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page