201
FZUS51 KLWX 251827
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 PM EDT FRI SEP 25 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.
ANZ500-260800-
227 PM EDT FRI SEP 25 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A NOR'EASTER WILL DEVELOP OFFSHORE AND INTENSIFY AS IT LIFTS
NORTHWARD INTO THIS WEEKEND. HIGH PRESSURE WILL EVENTUALLY BUILD
INTO THE AREA EARLY NEXT WEEK. SMALL CRAFT ADVISORIES AND
POTENTIALLY GALE CONDITIONS WILL CONTINUE THROUGH SUNDAY. ADVISORIES
MAY BE NEEDED THROUGH MONDAY.
ANZ535-260800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
227 PM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON
THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TONIGHT
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SAT
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. RAIN LIKELY.
SAT NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF RAIN.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF RAIN.
SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF RAIN.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ536-260800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
227 PM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON
THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. A CHANCE
OF RAIN.
SAT NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT. A CHANCE OF RAIN.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF RAIN.
SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ537-260800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
227 PM EDT FRI SEP 25 2026
..GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON
THIS AFTERNOON
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES
4 FT.
TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 5 FT.
SAT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 5 FT. RAIN
LIKELY.
SAT NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT. A
CHANCE OF RAIN.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF RAIN.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
MON...NW WINDS 10 TO 15 KT
BECOMING W AROUND 5 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT...SUBSIDING TO FLAT AFTER MIDNIGHT.
TUE
SW WINDS AROUND 5 KT. WAVES FLAT.
ANZ530-260800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
227 PM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON
THIS AFTERNOON
N WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT...N WINDS 20 TO 25 KT. GUSTS UP TO 30 KT
INCREASING TO
35 KT LATE. WAVES 2 FT.
SAT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 2 FT. RAIN.
SAT NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
RAIN LIKELY.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. RAIN
LIKELY.
SUN NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT. A CHANCE OF RAIN.
MON...NW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 FT OR LESS. A CHANCE OF RAIN IN THE MORNING.
TUE
W WINDS AROUND 5 KT. WAVES FLAT.
ANZ531-260800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
227 PM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
...GALE WARNING IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
SATURDAY EVENING...
THIS AFTERNOON
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT.
SAT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT. RAIN.
SAT NIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT.
RAIN LIKELY.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. RAIN
LIKELY.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF RAIN.
MON...NW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF RAIN IN THE MORNING.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ538-260800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
227 PM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON
THIS AFTERNOON
N WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. RAIN.
SAT NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
RAIN LIKELY.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. RAIN
LIKELY.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT. A CHANCE OF RAIN.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF RAIN IN
THE MORNING.
TUE
W WINDS AROUND 5 KT. WAVES FLAT.
ANZ539-260800-
CHESTER RIVER TO QUEENSTOWN MD-
227 PM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
...GALE WARNING IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
SATURDAY EVENING...
THIS AFTERNOON
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT.
SAT
N WINDS 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT. RAIN.
SAT NIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT.
RAIN LIKELY.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT. RAIN
LIKELY.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF RAIN.
MON...NW WINDS 10 TO 15 KT
DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT...SUBSIDING TO FLAT AFTER MIDNIGHT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ532-260800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
227 PM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
...GALE WARNING IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
SATURDAY EVENING...
THIS AFTERNOON
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT.
SAT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 5 FT. RAIN.
SAT NIGHT...N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 5 FT
SUBSIDING TO 3 FT AFTER MIDNIGHT. RAIN LIKELY.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. RAIN
LIKELY.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF RAIN.
MON...NW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ540-260800-
EASTERN BAY-
227 PM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
...GALE WARNING IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
SATURDAY EVENING...
THIS AFTERNOON
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TONIGHT
N WINDS 25 TO 30 KT. WAVES 3 FT.
SAT
N WINDS 25 TO 30 KT. WAVES 3 FT. RAIN.
SAT NIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT.
RAIN LIKELY.
SUN
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. RAIN LIKELY.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO
3 FT. A CHANCE OF RAIN.
MON...NW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT...SUBSIDING TO FLAT AFTER MIDNIGHT.
TUE
W WINDS AROUND 5 KT. WAVES FLAT.
ANZ533-260800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
227 PM EDT FRI SEP 25 2026
..GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON
THIS AFTERNOON...N WINDS 25 KT WITH GUSTS TO 35 KT. WAVES 5 FT
EXCEPT AROUND 3 FT NEAR THE MOUTH OF THE CHOPTANK.
TONIGHT
N WINDS 25 TO 30 KT. WAVES 5 FT.
SAT
N WINDS 25 TO 30 KT. WAVES 5 FT. A CHANCE OF RAIN.
SAT NIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT.
RAIN LIKELY.
SUN
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 4 FT. A CHANCE OF
RAIN.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF RAIN.
MON...NW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ541-260800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
227 PM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EDT THIS EVENING
...GALE WARNING IN EFFECT FROM 6 PM EDT THIS EVENING THROUGH
SATURDAY EVENING...
THIS AFTERNOON
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES
3 FT.
TONIGHT
N WINDS 25 TO 30 KT. WAVES 3 FT.
SAT
N WINDS 25 TO 30 KT. WAVES 4 FT. RAIN.
SAT NIGHT...N WINDS 25 TO 30 KT
DIMINISHING TO 20 KT AFTER
MIDNIGHT. WAVES 3 FT. RAIN LIKELY.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF RAIN.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF RAIN.
MON...NW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ542-260800-
PATUXENT RIVER TO BROOMES ISLAND MD-
227 PM EDT FRI SEP 25 2026
..GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON
THIS AFTERNOON
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 1 FT.
TONIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 1 FT.
SAT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 1 FT. RAIN
LIKELY.
SAT NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 1 FT. A
CHANCE OF RAIN.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 1 FT. A
CHANCE OF RAIN.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT. A
CHANCE OF RAIN.
MON...NW WINDS 10 TO 15 KT
DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ534-260800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
227 PM EDT FRI SEP 25 2026
..GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON
THIS AFTERNOON
N WINDS 25 KT WITH GUSTS TO 35 KT. WAVES 5 FT.
TONIGHT
N WINDS 25 TO 30 KT. WAVES 6 FT.
SAT
N WINDS 25 TO 30 KT. WAVES 6 FT. RAIN LIKELY.
SAT NIGHT
N WINDS 25 TO 30 KT. WAVES 5 FT. A CHANCE OF RAIN.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 5 FT. A
CHANCE OF RAIN.
SUN NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT. A
CHANCE OF RAIN.
MON...NW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 2 TO 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ543-260800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
227 PM EDT FRI SEP 25 2026
..GALE WARNING IN EFFECT THROUGH SATURDAY AFTERNOON
THIS AFTERNOON
N WINDS 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT.
TONIGHT
N WINDS 25 TO 30 KT. WAVES 4 FT.
SAT
N WINDS 25 TO 30 KT. WAVES 4 FT. RAIN.
SAT NIGHT
N WINDS 25 TO 30 KT. WAVES 3 FT. RAIN LIKELY.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT. A
CHANCE OF RAIN.
SUN NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 2 TO
3 FT. A CHANCE OF RAIN.
MON...NW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
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