876
FZUS51 KLWX 122357
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
757 PM EDT MON OCT 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.
ANZ500-130800-
757 PM EDT MON OCT 12 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
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.
ANZ535-130800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
757 PM EDT MON OCT 12 2026
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT.
WED NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI...S WINDS 5 TO 10 KT
BECOMING W 15 TO 20 KT IN THE AFTERNOON,
THEN BECOMING NW. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
SAT...NW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
ANZ536-130800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
757 PM EDT MON OCT 12 2026
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT.
WED NIGHT...W WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...S WINDS 10 TO 15 KT
BECOMING W 20 TO 25 KT IN THE
AFTERNOON, THEN BECOMING NW. WAVES 1 TO 2 FT... BUILDING TO 3 FT. A
CHANCE OF SHOWERS THROUGH THE NIGHT.
SAT...NW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 2 TO 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
ANZ537-130800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
757 PM EDT MON OCT 12 2026
TONIGHT
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 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED NIGHT...SW WINDS AROUND 5 KT
BECOMING NW AFTER MIDNIGHT.
WAVES 1 FT.
THU
NE WINDS 10 TO 15 KT. WAVES 2 FT.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...S WINDS 10 TO 15 KT
BECOMING SW 20 TO 25 KT IN THE
AFTERNOON, THEN BECOMING NW 25 TO 30 KT. WAVES 2 TO 3 FT...BUILDING
TO 4 FT. A CHANCE OF SHOWERS.
SAT...NW WINDS 20 TO 25 KT
DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. WAVES 3 FT...SUBSIDING TO 2 FT AFTER MIDNIGHT.
ANZ530-130800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
757 PM EDT MON OCT 12 2026
TONIGHT
W 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 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS
LIKELY.
FRI...S WINDS 10 TO 15 KT
BECOMING SW 20 TO 25 KT IN THE
AFTERNOON, THEN BECOMING NW. WAVES 1 TO 2 FT...BUILDING TO 3 FT.
SHOWERS LIKELY IN THE MORNING. A CHANCE OF SHOWERS IN THE AFTERNOON.
SAT...NW WINDS 20 TO 25 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
ANZ531-130800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
757 PM EDT MON OCT 12 2026
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE...SW WINDS 10 TO 15 KT. WAVES FLAT
BUILDING TO 2 FT IN THE
AFTERNOON.
TUE NIGHT
SW WINDS 10 TO 15 KT. WAVES 2 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT...W WINDS 5 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT.
THU
NE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF
SHOWERS.
FRI...S WINDS 10 TO 15 KT
BECOMING SW 20 TO 25 KT IN THE
AFTERNOON, THEN BECOMING NW 25 TO 30 KT. WAVES 2 TO 3 FT...BUILDING
TO 4 FT. A CHANCE OF SHOWERS.
SAT...NW WINDS 25 TO 30 KT
DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. WAVES 3 FT...SUBSIDING TO 2 FT AFTER MIDNIGHT.
ANZ538-130800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
757 PM EDT MON OCT 12 2026
TONIGHT
W WINDS 5 KT. WAVES FLAT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI...S WINDS 10 KT
BECOMING W 15 TO 20 KT IN THE AFTERNOON, THEN
BECOMING NW. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
SAT...NW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
ANZ539-130800-
CHESTER RIVER TO QUEENSTOWN MD-
757 PM EDT MON OCT 12 2026
TONIGHT
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 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT...W WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI...S WINDS 10 TO 15 KT
BECOMING SW 20 TO 25 KT IN THE
AFTERNOON, THEN BECOMING NW 25 TO 30 KT. WAVES 2 TO 3 FT...BUILDING
TO 4 FT. A CHANCE OF SHOWERS.
SAT...NW WINDS 20 TO 25 KT
DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. WAVES 3 FT...SUBSIDING TO 2 FT AFTER MIDNIGHT.
ANZ532-130800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
757 PM EDT MON OCT 12 2026
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE...SW WINDS 10 TO 15 KT. WAVES FLAT
BUILDING TO 2 FT IN THE
AFTERNOON.
TUE NIGHT
SW WINDS 10 TO 15 KT. WAVES 2 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT...SW WINDS 5 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT. A CHANCE OF SHOWERS.
THU
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF
SHOWERS.
FRI...S WINDS 10 TO 15 KT
BECOMING SW 20 TO 25 KT IN THE
AFTERNOON, THEN BECOMING NW 25 TO 30 KT. WAVES 2 FT...BUILDING TO
4 FT. A CHANCE OF SHOWERS.
SAT...NW WINDS 25 TO 30 KT
DIMINISHING TO 15 TO 20 KT AFTER
MIDNIGHT. WAVES 4 FT...SUBSIDING TO 2 FT AFTER MIDNIGHT.
ANZ540-130800-
EASTERN BAY-
757 PM EDT MON OCT 12 2026
TONIGHT
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 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT...SW WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
THU
NE WINDS 10 TO 15 KT. WAVES 1 FT.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI...S WINDS 10 TO 15 KT
BECOMING SW 20 TO 25 KT IN THE
AFTERNOON, THEN BECOMING NW 25 TO 30 KT. WAVES 2 TO 3 FT. A CHANCE
OF SHOWERS.
SAT...NW WINDS 25 TO 30 KT
DIMINISHING TO 15 TO 20 KT. WAVES 2 TO
3 FT.
ANZ533-130800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
757 PM EDT MON OCT 12 2026
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE...SW WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT OR LESS.
TUE NIGHT
SW WINDS 10 TO 15 KT. WAVES 2 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT...SW WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
THU
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF
SHOWERS.
FRI...S WINDS 10 TO 15 KT
BECOMING SW 25 TO 30 KT IN THE
AFTERNOON, THEN BECOMING NW. WAVES 2 FT... BUILDING TO 4 FT. A
CHANCE OF SHOWERS.
SAT...NW WINDS 25 TO 30 KT
DIMINISHING TO 15 TO 20 KT AFTER
MIDNIGHT. WAVES 4 FT...SUBSIDING TO 3 FT AFTER MIDNIGHT.
ANZ541-130800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
757 PM EDT MON OCT 12 2026
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE...SW WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT OR LESS.
TUE NIGHT
SW WINDS 10 TO 15 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT...SW WINDS 5 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT.
THU
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI...S WINDS 10 TO 15 KT
BECOMING SW 20 TO 25 KT IN THE
AFTERNOON, THEN BECOMING NW 25 TO 30 KT. WAVES 2 TO 3 FT...BUILDING
TO 4 FT. A CHANCE OF SHOWERS.
SAT...NW WINDS 25 TO 30 KT
DIMINISHING TO 15 TO 20 KT AFTER
MIDNIGHT. WAVES 3 FT...SUBSIDING TO 2 FT AFTER MIDNIGHT.
ANZ542-130800-
PATUXENT RIVER TO BROOMES ISLAND MD-
757 PM EDT MON OCT 12 2026
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SW 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.
WED NIGHT...SW WINDS AROUND 5 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI...S WINDS 5 TO 10 KT
BECOMING SW 15 TO 20 KT IN THE
AFTERNOON, THEN BECOMING NW. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
SAT...NW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
ANZ534-130800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
757 PM EDT MON OCT 12 2026
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE...W WINDS 5 KT
BECOMING S 10 TO 15 KT IN THE AFTERNOON. WAVES
1 TO 2 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT. WAVES 2 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. WAVES 1 FT.
THU
NE WINDS 10 TO 15 KT. WAVES 2 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI...S WINDS 10 TO 15 KT
BECOMING SW 20 TO 25 KT IN THE
AFTERNOON, THEN BECOMING NW 25 TO 35 KT. WAVES 2 TO 3 FT...BUILDING
TO 6 FT. A CHANCE OF SHOWERS.
SAT...NW WINDS 25 TO 30 KT
BECOMING N 15 TO 20 KT AFTER MIDNIGHT.
WAVES 5 FT...SUBSIDING TO 3 FT AFTER MIDNIGHT.
ANZ543-130800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
757 PM EDT MON OCT 12 2026
TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE...SW WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES
1 FT.
THU
NE WINDS 10 TO 15 KT. WAVES 1 FT.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...S WINDS 10 TO 15 KT
BECOMING SW 20 TO 25 KT IN THE
AFTERNOON, THEN BECOMING NW 25 TO 30 KT. WAVES 2 TO 3 FT...BUILDING
TO 3 FT. A CHANCE OF SHOWERS.
SAT...NW WINDS 25 TO 30 KT
BECOMING N 15 TO 20 KT AFTER MIDNIGHT.
WAVES 2 TO 3 FT.
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