654
FZUS51 KLWX 090627
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
226 AM EDT FRI OCT 9 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.
ANZ500-092000-
226 AM EDT FRI OCT 9 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD OVERHEAD FRIDAY AND SATURDAY. THE REMNANTS
OF ISAIAS WILL APPROACH BY SUNDAY, WITH SMALL CRAFT ADVISORIES
LIKELY SATURDAY NIGHT THROUGH SUNDAY. GALE-FORCE WINDS CANNOT BE
RULED OUT DURING THIS TIME, EITHER.
ANZ535-092000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
226 AM EDT FRI OCT 9 2026
OVERNIGHT
LIGHT WINDS. WAVES FLAT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
WAVES 1 FT. SHOWERS.
SUN...E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
INCREASING TO 30 KT
IN THE AFTERNOON. WAVES 1 FT. SHOWERS.
SUN NIGHT...E WINDS 5 TO 10 KT WITH GUSTS TO 25 KT
BECOMING NW
AFTER MIDNIGHT. WAVES 1 FT. SHOWERS WITH A CHANCE OF TSTMS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY, MAINLY IN
THE MORNING.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-092000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
226 AM EDT FRI OCT 9 2026
OVERNIGHT
NW WINDS AROUND 5 KT. WAVES FLAT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI NIGHT
E 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 FT.
SHOWERS.
SUN
E WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. SHOWERS.
SUN NIGHT...SE WINDS 5 TO 10 KT
BECOMING W AFTER MIDNIGHT. WAVES
1 TO 2 FT. SHOWERS WITH A CHANCE OF TSTMS.
MON...NW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 FT. A CHANCE OF SHOWERS THROUGH THE DAY.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-092000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
226 AM EDT FRI OCT 9 2026
OVERNIGHT
N WINDS 5 KT. WAVES FLAT.
FRI
N WINDS AROUND 5 KT. WAVES FLAT.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
SUN
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT. SHOWERS.
SUN NIGHT...S WINDS 10 TO 15 KT
BECOMING SW AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 2 TO 3 FT. SHOWERS WITH A CHANCE OF TSTMS.
MON...NW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 FT. A CHANCE OF SHOWERS THROUGH THE DAY.
TUE
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-092000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
226 AM EDT FRI OCT 9 2026
OVERNIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS LIKELY.
SUN
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT. SHOWERS.
SUN NIGHT...E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING NE
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 FT. SHOWERS WITH A CHANCE OF
TSTMS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS IN THE MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON.
TUE...W WINDS 10 TO 15 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-092000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
226 AM EDT FRI OCT 9 2026
OVERNIGHT
NW WINDS 5 KT. WAVES FLAT.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI NIGHT
N 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 LIKELY.
SUN
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS.
SUN NIGHT...E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING NE
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS WITH A CHANCE OF
TSTMS.
MON...N WINDS 10 TO 15 KT
BECOMING NW 5 KT AFTER MIDNIGHT. WAVES
1 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS IN THE MORNING, THEN A
CHANCE OF SHOWERS IN THE AFTERNOON.
TUE...SW WINDS 5 TO 10 KT
BECOMING NW 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-092000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
226 AM EDT FRI OCT 9 2026
OVERNIGHT
LIGHT WINDS. WAVES FLAT.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES FLAT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT NIGHT
E WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS.
SUN
E WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SHOWERS.
SUN NIGHT...E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NE
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS WITH A CHANCE OF
TSTMS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS IN THE MORNING, THEN A CHANCE OF SHOWERS IN THE
AFTERNOON.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-092000-
CHESTER RIVER TO QUEENSTOWN MD-
226 AM EDT FRI OCT 9 2026
OVERNIGHT
LIGHT WINDS. WAVES FLAT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
E WINDS 5 KT. WAVES FLAT.
SAT NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS LIKELY.
SUN
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS.
SUN NIGHT
E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT. SHOWERS WITH A CHANCE OF TSTMS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS IN THE MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON.
TUE
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-092000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
226 AM EDT FRI OCT 9 2026
OVERNIGHT
N WINDS 5 KT. WAVES FLAT.
FRI
W WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT...E WINDS 10 KT
INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. WAVES 1 FT. SHOWERS.
SUN
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
SHOWERS.
SUN NIGHT...SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING SW
AFTER MIDNIGHT. WAVES 2 TO 3 FT. SHOWERS WITH A CHANCE OF TSTMS.
MON...NW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 FT. A CHANCE OF SHOWERS THROUGH THE DAY.
TUE...SW WINDS 5 TO 10 KT
BECOMING NW 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-092000-
EASTERN BAY-
226 AM EDT FRI OCT 9 2026
OVERNIGHT
LIGHT WINDS. WAVES FLAT.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES FLAT.
SAT
E WINDS 5 TO 10 KT. WAVES FLAT.
SAT NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS.
SUN
E WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT. SHOWERS.
SUN NIGHT...SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING SW
5 TO 10 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS WITH A CHANCE OF
TSTMS.
MON...N WINDS 10 TO 15 KT
BECOMING NW 5 KT AFTER MIDNIGHT. WAVES
1 FT. A CHANCE OF SHOWERS AND TSTMS IN THE MORNING, THEN A CHANCE OF
SHOWERS IN THE AFTERNOON.
TUE
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-092000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
226 AM EDT FRI OCT 9 2026
OVERNIGHT
N WINDS 5 KT. WAVES FLAT.
FRI
NW WINDS AROUND 5 KT. WAVES FLAT.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES FLAT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. SHOWERS.
SUN
E WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
SHOWERS.
SUN NIGHT...SE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING SW
AFTER MIDNIGHT. WAVES 2 TO 3 FT. SHOWERS WITH A CHANCE OF TSTMS.
MON
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
THROUGH THE DAY.
TUE...SW WINDS 5 TO 10 KT
BECOMING NW 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT...BUILDING TO 3 FT AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-092000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
226 AM EDT FRI OCT 9 2026
OVERNIGHT
N WINDS 5 KT. WAVES FLAT.
FRI
NW WINDS AROUND 5 KT. WAVES FLAT.
FRI NIGHT
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 FT.
SHOWERS.
SUN
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SHOWERS.
SUN NIGHT...SE WINDS 10 TO 15 KT
BECOMING SW AFTER MIDNIGHT.
GUSTS UP TO 20 KT. WAVES 1 TO 2 FT. SHOWERS WITH A CHANCE OF TSTMS.
MON
NW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
TUE...W WINDS 5 TO 10 KT
BECOMING NW 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-092000-
PATUXENT RIVER TO BROOMES ISLAND MD-
226 AM EDT FRI OCT 9 2026
OVERNIGHT
LIGHT WINDS. WAVES 1 FT.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
N 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
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS WITH A CHANCE OF TSTMS.
MON...NW WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 FT. A CHANCE OF SHOWERS THROUGH THE DAY.
TUE
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-092000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
226 AM EDT FRI OCT 9 2026
OVERNIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI NIGHT...E WINDS AROUND 5 KT
BECOMING NE LATE. WAVES 1 FT OR
LESS.
SAT
E WINDS 10 TO 15 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
SUN...E WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT
BUILDING TO 5 FT IN THE AFTERNOON. SHOWERS.
SUN NIGHT...S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING SW
10 TO 15 KT AFTER MIDNIGHT. WAVES 3 FT. SHOWERS WITH A CHANCE OF
TSTMS.
MON...W WINDS 10 TO 15 KT
BECOMING NW. WAVES 1 TO 2 FT. A CHANCE
OF SHOWERS THROUGH THE DAY.
TUE...W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT
BUILDING TO 3 FT AFTER
MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-092000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
226 AM EDT FRI OCT 9 2026
OVERNIGHT
NE WINDS 5 KT. WAVES FLAT.
FRI
N WINDS 5 KT. WAVES FLAT.
FRI NIGHT
NE WINDS AROUND 5 KT. WAVES FLAT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 15 TO 20 KT. WAVES 1 FT. SHOWERS.
SUN
E WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO 3 FT.
SHOWERS.
SUN NIGHT...S WINDS 10 TO 15 KT
BECOMING SW AFTER MIDNIGHT. GUSTS
UP TO 25 KT. WAVES 2 TO 3 FT. SHOWERS WITH A CHANCE OF TSTMS.
MON...W WINDS 10 TO 15 KT
BECOMING NW. WAVES 1 TO 2 FT. A CHANCE
OF SHOWERS THROUGH THE DAY.
TUE
W WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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