685
FZUS51 KLWX 250626
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
226 AM 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.
ANZ500-252000-
226 AM 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.
ANZ535-252000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
226 AM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON
OVERNIGHT
N WINDS 10 KT. WAVES 1 FT.
FRI...N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
INCREASING TO 25 KT
LATE. WAVES 1 FT.
FRI NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SAT
N WINDS 10 TO 15 KT WITH GUSTS TO 30 KT. WAVES 2 FT. A CHANCE
OF RAIN.
SAT NIGHT
NW 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 30 KT. WAVES 1 FT. A
CHANCE OF RAIN.
SUN NIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 30 KT IN THE EVENING.
WAVES 1 FT.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ536-252000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
226 AM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON
OVERNIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
FRI NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A CHANCE
OF RAIN.
SAT NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SUN NIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.
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.
ANZ537-252000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
226 AM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH SATURDAY
AFTERNOON...
OVERNIGHT
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
FRI
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
FRI NIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT.
SAT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT. A CHANCE
OF RAIN.
SAT NIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 35 KT
DIMINISHING
TO 25 KT AFTER MIDNIGHT. WAVES 3 FT. A CHANCE OF RAIN.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. A
CHANCE OF RAIN.
SUN NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
MON...NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT
SUBSIDING TO FLAT
AFTER MIDNIGHT.
TUE
SW WINDS AROUND 5 KT. WAVES FLAT.
ANZ530-252000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
226 AM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON
OVERNIGHT
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
FRI
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
FRI NIGHT...N WINDS 15 TO 20 KT. GUSTS UP TO 25 KT
INCREASING TO
30 KT LATE. WAVES 2 FT.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. RAIN
LIKELY.
SAT NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
RAIN LIKELY.
SUN
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. RAIN
LIKELY.
SUN NIGHT
N WINDS 15 TO 20 KT. GUSTS UP TO 30 KT IN THE EVENING.
WAVES 2 FT.
MON...N WINDS 10 TO 15 KT
BECOMING NW 5 KT. WAVES 1 FT.
TUE
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ531-252000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
226 AM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON
OVERNIGHT
N WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
FRI
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
FRI NIGHT
N WINDS 20 TO 25 KT. GUSTS UP TO 30 KT. WAVES 3 FT.
SAT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A CHANCE
OF RAIN.
SAT NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
RAIN LIKELY.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT. RAIN
LIKELY.
SUN NIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO
3 FT.
MON...N WINDS 10 TO 15 KT
BECOMING NW 5 KT AFTER MIDNIGHT. WAVES
1 TO 2 FT...SUBSIDING TO FLAT AFTER MIDNIGHT.
TUE
SW WINDS AROUND 5 KT. WAVES FLAT.
ANZ538-252000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
226 AM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON
OVERNIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
FRI NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. A CHANCE
OF RAIN.
SAT NIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING
TO 20 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. A CHANCE OF RAIN.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT. A
CHANCE OF RAIN.
SUN NIGHT...N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING
TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS AROUND 5 KT. WAVES FLAT.
ANZ539-252000-
CHESTER RIVER TO QUEENSTOWN MD-
226 AM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY AFTERNOON
OVERNIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
FRI
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
FRI NIGHT
N WINDS 20 TO 25 KT. GUSTS UP TO 30 KT. WAVES 2 TO
3 FT.
SAT
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT. RAIN LIKELY.
SAT NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 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
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
MON...N WINDS 10 TO 15 KT
BECOMING NW AROUND 5 KT. WAVES 1 TO
2 FT...SUBSIDING TO FLAT AFTER MIDNIGHT.
TUE
SW WINDS AROUND 5 KT. WAVES FLAT.
ANZ532-252000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
226 AM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
...GALE WARNING IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY
AFTERNOON...
OVERNIGHT
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
FRI
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
FRI NIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
SAT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT. A CHANCE
OF RAIN.
SAT NIGHT
NW WINDS 20 TO 25 KT. GUSTS UP TO 35 KT IN THE EVENING.
WAVES 3 FT. A CHANCE OF RAIN.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF RAIN.
SUN NIGHT
N WINDS 20 TO 25 KT. GUSTS UP TO 30 KT IN THE EVENING.
WAVES 2 TO 3 FT.
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.
ANZ540-252000-
EASTERN BAY-
226 AM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
...GALE WARNING IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY
AFTERNOON...
OVERNIGHT
N WINDS 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
FRI
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
FRI NIGHT
N WINDS 20 TO 25 KT. GUSTS UP TO 30 KT. WAVES 2 TO
3 FT.
SAT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT. RAIN
LIKELY.
SAT NIGHT...N WINDS 20 KT. GUSTS UP TO 35 KT
DIMINISHING TO
25 KT AFTER MIDNIGHT. WAVES 2 TO 3 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 2 FT.
MON...NW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT. WAVES 1 FT OR
LESS.
TUE
SW WINDS AROUND 5 KT. WAVES FLAT.
ANZ533-252000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
226 AM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH SATURDAY
AFTERNOON...
OVERNIGHT
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
FRI
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
FRI NIGHT
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. A CHANCE
OF RAIN.
SAT NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT. A
CHANCE OF RAIN.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT. A
CHANCE OF RAIN.
SUN NIGHT
N WINDS 20 TO 25 KT. GUSTS UP TO 30 KT IN THE EVENING.
WAVES 3 FT.
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.
ANZ541-252000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
226 AM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
...GALE WARNING IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY
AFTERNOON...
OVERNIGHT
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
FRI
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
FRI NIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
SAT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT. A CHANCE
OF RAIN.
SAT NIGHT
N WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT. A
CHANCE OF RAIN.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF RAIN.
SUN NIGHT
N WINDS 20 TO 25 KT. GUSTS UP TO 30 KT IN THE EVENING.
WAVES 2 TO 3 FT.
MON...NW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT. WAVES 1 TO 2 FT.
TUE
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ542-252000-
PATUXENT RIVER TO BROOMES ISLAND MD-
226 AM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
...GALE WARNING IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY
AFTERNOON...
OVERNIGHT
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
FRI
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
FRI NIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 1 FT.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 35 KT. WAVES 1 TO 2 FT. A
CHANCE OF RAIN.
SAT NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 1 TO
2 FT. A CHANCE OF RAIN.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT. A
CHANCE OF RAIN.
SUN NIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.
WAVES 1 FT.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
ANZ534-252000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
226 AM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH SATURDAY
AFTERNOON...
OVERNIGHT
N WINDS 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
FRI
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
FRI NIGHT
N WINDS 25 TO 30 KT. WAVES 5 FT.
SAT
N WINDS 25 TO 30 KT. WAVES 6 FT. A CHANCE OF RAIN.
SAT NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 4 FT. A
CHANCE OF RAIN.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT. A
CHANCE OF RAIN.
SUN NIGHT
N WINDS 20 TO 25 KT. GUSTS UP TO 30 KT IN THE EVENING.
WAVES 5 FT...SUBSIDING TO 3 FT AFTER MIDNIGHT.
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.
ANZ543-252000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
226 AM EDT FRI SEP 25 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
...GALE WARNING IN EFFECT FROM THIS EVENING THROUGH SATURDAY
AFTERNOON...
OVERNIGHT
N WINDS 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
FRI
N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
FRI NIGHT
N WINDS 25 TO 30 KT. WAVES 3 FT. A CHANCE OF RAIN.
SAT
N WINDS 25 TO 30 KT. WAVES 3 FT. A CHANCE OF RAIN.
SAT NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 35 KT. WAVES 3 FT. A
CHANCE OF RAIN.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF RAIN.
SUN NIGHT
N WINDS 20 TO 25 KT. GUSTS UP TO 30 KT IN THE EVENING.
WAVES 2 TO 3 FT.
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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