306
FZUS51 KLWX 100627
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 AM EDT SAT OCT 10 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.
ANZ500-102000-
227 AM EDT SAT OCT 10 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
THE REMNANTS OF ISAIAS WILL MOVE ACROSS THE REGION LATE TONIGHT
THROUGH MONDAY MORNING. GALE-FORCE WINDS POSSIBLE FOR SEVERAL HOURS
SUNDAY MORNING, MAINLY OVER THE CHESAPEAKE BAY. ADDITIONAL SMALL
CRAFT ADVISORIES ARE LIKELY NEEDED FOR MONDAY AFTERNOON.
ANZ535-102000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
227 AM EDT SAT OCT 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
EVENING...
OVERNIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS.
SUN
E WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT. SHOWERS.
SUN NIGHT...SE WINDS 5 TO 10 KT WITH GUSTS TO 25 KT
BECOMING W
AFTER MIDNIGHT. WAVES 1 FT. SHOWERS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-102000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
227 AM EDT SAT OCT 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
EVENING...
OVERNIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT. SHOWERS.
SUN
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS.
SUN NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ537-102000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
227 AM EDT SAT OCT 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH SUNDAY
EVENING...
OVERNIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
E WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT NIGHT...E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT
BUILDING TO 4 FT AFTER MIDNIGHT. SHOWERS.
SUN
SE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
SHOWERS.
SUN NIGHT
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 1 TO
2 FT. SHOWERS LIKELY.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 FT.
WED...N WINDS 10 TO 15 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
ANZ530-102000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
227 AM EDT SAT OCT 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
EVENING...
OVERNIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
SUN
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS.
SUN NIGHT...E WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING NW
AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 FT.
WED
N WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ531-102000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
227 AM EDT SAT OCT 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
EVENING...
OVERNIGHT
NE WINDS 5 KT. WAVES FLAT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS.
SUN
E WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. SHOWERS.
SUN NIGHT...SE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING W
AFTER MIDNIGHT. WAVES 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
SHOWERS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...SW WINDS 5 TO 10 KT
BECOMING NW 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
WED...NW WINDS 15 TO 20 KT
BECOMING N 10 KT. WAVES 1 TO 2 FT.
ANZ538-102000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
227 AM EDT SAT OCT 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
EVENING...
OVERNIGHT
NE WINDS AROUND 5 KT. WAVES FLAT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS.
SUN
E WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS.
SUN NIGHT...E WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING W
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS.
MON
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ539-102000-
CHESTER RIVER TO QUEENSTOWN MD-
227 AM EDT SAT OCT 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
EVENING...
OVERNIGHT
NE WINDS 5 KT. WAVES FLAT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
SUN
E WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS.
SUN NIGHT...SE WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 1 TO 2 FT. SHOWERS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED...N WINDS 10 TO 15 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
ANZ532-102000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
227 AM EDT SAT OCT 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
EVENING...
OVERNIGHT
NE WINDS 5 KT. WAVES FLAT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT...E WINDS 15 TO 20 KT. GUSTS UP TO 20 KT
INCREASING TO
25 KT LATE. WAVES 2 FT. SHOWERS LIKELY.
SUN
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. SHOWERS.
SUN NIGHT...SE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING W
AFTER MIDNIGHT. WAVES 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
SHOWERS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...SW WINDS 5 TO 10 KT
BECOMING W 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
WED...NW WINDS 15 TO 20 KT
BECOMING N 10 TO 15 KT. WAVES 1 TO
2 FT.
ANZ540-102000-
EASTERN BAY-
227 AM EDT SAT OCT 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
EVENING...
OVERNIGHT
NE WINDS 5 KT. WAVES FLAT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. SHOWERS LIKELY.
SUN
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS.
SUN NIGHT...SE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING SW
AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED...N WINDS 10 TO 15 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
ANZ533-102000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
227 AM EDT SAT OCT 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
EVENING...
OVERNIGHT
NE WINDS 5 KT. WAVES FLAT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT...E WINDS 15 TO 20 KT. GUSTS UP TO 20 KT
INCREASING TO
25 KT LATE. WAVES 2 TO 3 FT. SHOWERS.
SUN
E WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT. SHOWERS.
SUN NIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING SW
AFTER MIDNIGHT. WAVES 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
SHOWERS LIKELY.
MON
NW WINDS 15 TO 20 KT. WAVES 2 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
WED...NW WINDS 15 TO 20 KT
BECOMING N 10 TO 15 KT. WAVES 2 FT.
ANZ541-102000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
227 AM EDT SAT OCT 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
EVENING...
OVERNIGHT
NE WINDS 5 KT. WAVES FLAT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. SHOWERS LIKELY.
SUN
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS.
SUN NIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING SW
AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
WED...NW WINDS 15 TO 20 KT
BECOMING N 10 TO 15 KT. WAVES 1 TO
2 FT.
ANZ542-102000-
PATUXENT RIVER TO BROOMES ISLAND MD-
227 AM EDT SAT OCT 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
EVENING...
OVERNIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT...E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
INCREASING TO
25 KT LATE. WAVES 1 FT. SHOWERS.
SUN
SE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SHOWERS.
SUN NIGHT
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS LIKELY.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-102000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
227 AM EDT SAT OCT 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH SUNDAY
EVENING...
OVERNIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SAT NIGHT...E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT
BUILDING TO 4 FT AFTER MIDNIGHT. SHOWERS.
SUN
SE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 5 FT.
SHOWERS.
SUN NIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING SW
AFTER MIDNIGHT. WAVES 2 TO 3 FT. SHOWERS LIKELY.
MON
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED...N WINDS 15 TO 20 KT
DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. WAVES 2 TO 3 FT.
ANZ543-102000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
227 AM EDT SAT OCT 10 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH SUNDAY
EVENING...
OVERNIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
E WINDS 10 TO 15 KT. WAVES 1 FT.
SAT NIGHT...E WINDS 15 TO 20 KT. GUSTS UP TO 20 KT
INCREASING TO
25 KT LATE. WAVES 1 TO 2 FT. SHOWERS.
SUN
SE WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
SHOWERS.
SUN NIGHT...S WINDS 15 KT
BECOMING SW AFTER MIDNIGHT. GUSTS UP TO
25 KT. WAVES 2 FT. SHOWERS LIKELY.
MON
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 FT.
WED...N WINDS 15 TO 20 KT
DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT.
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