657
FZUS51 KLWX 151158
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
758 AM EDT FRI MAY 15 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.
ANZ500-152000-
758 AM EDT FRI MAY 15 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD IN FROM THE WEST THROUGH THIS EVENING
BEFORE SLIDING OFF THE COAST THIS WEEKEND INTO EARLY NEXT WEEK.
SMALL CRAFT ADVISORIES WILL CONTINUE THROUGH THIS AFTERNOON WITH NO
MARINE HAZARDS EXPECTED TONIGHT INTO SATURDAY MORNING. ADDITIONAL
SMALL CRAFT ADVISORIES EXPECTED THIS WEEKEND INTO EARLY NEXT WEEK
FOR PORTIONS OF THE WATERS DUE TO CHANNELING.
ANZ535-152000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
758 AM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
TODAY
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON...LIGHT WINDS
BECOMING S 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-152000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
758 AM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
TODAY
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ537-152000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
758 AM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
ANZ530-152000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
758 AM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ531-152000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
758 AM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ538-152000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
758 AM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
TODAY
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
W WINDS AROUND 5 KT. WAVES FLAT.
SUN NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
MON
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE...S WINDS 5 KT
INCREASING TO 10 TO 15 KT IN THE AFTERNOON AND
EVENING, THEN BECOMING SW 5 KT AFTER MIDNIGHT. WAVES 1 FT OR LESS.
ANZ539-152000-
CHESTER RIVER TO QUEENSTOWN MD-
758 AM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ532-152000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
758 AM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
MON...S WINDS 10 TO 15 KT. WAVES FLAT
BUILDING TO 1 TO 2 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ540-152000-
EASTERN BAY-
758 AM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
MON...LIGHT WINDS
BECOMING S 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
S WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ533-152000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
758 AM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
MON...S WINDS 10 TO 15 KT. WAVES FLAT
BUILDING TO 1 TO 2 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ541-152000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
758 AM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
MON
S WINDS 10 TO 15 KT. WAVES 1 FT OR LESS.
TUE
S WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ542-152000-
PATUXENT RIVER TO BROOMES ISLAND MD-
758 AM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT.
SUN NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
MON
S WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-152000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
758 AM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
MON...S WINDS 5 KT
INCREASING TO 10 TO 15 KT. WAVES 1 TO 2 FT.
TUE...S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT
BUILDING TO 2 TO 3 FT.
ANZ543-152000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
758 AM EDT FRI MAY 15 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON
TODAY
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE LATE MORNING
AND AFTERNOON. WAVES 1 TO 2 FT.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SUN
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
MON
S WINDS 10 TO 15 KT. WAVES 1 FT.
TUE
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
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