509
FZUS51 KLWX 051259
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
858 AM EDT MON OCT 5 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.
ANZ500-052000-
858 AM EDT MON OCT 5 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A STRONGER COLD FRONT SHOULD CROSS THE WATERS EARLY THIS MORNING
BEFORE CANADIAN HIGH PRESSURE SETTLES OVER THE REGION THROUGH MID-
WEEK. THIS AREA OF HIGH PRESSURE DROPS TO THE SOUTH AHEAD OF ANOTHER
FRONTAL SYSTEM.
ANZ535-052000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
858 AM EDT MON OCT 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT LATE THIS MORNING
AND AFTERNOON. WAVES 1 FT.
TONIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
N WINDS AROUND 5 KT. WAVES 1 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
THU
NW WINDS AROUND 5 KT. WAVES 1 FT.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT.
ANZ536-052000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
858 AM EDT MON OCT 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NW WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG EARLY THIS
MORNING WITH VSBY 1 NM OR LESS.
TONIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...N WINDS 5 TO 10 KT UNTIL LATE AFTERNOON
BECOMING LIGHT.
WAVES 1 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
NW WINDS AROUND 5 KT. WAVES 1 FT.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT.
ANZ537-052000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
858 AM EDT MON OCT 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT LATE THIS MORNING
AND AFTERNOON. WAVES 1 TO 2 FT.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...N WINDS 10 TO 15 KT
DIMINISHING TO AROUND 5 KT LATE. WAVES
1 TO 2 FT.
TUE NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT OR
LESS.
FRI...N WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT OR LESS.
ANZ530-052000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
858 AM EDT MON OCT 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY...W WINDS 5 TO 10 KT
BECOMING NW 15 KT WITH GUSTS TO 20 KT
THIS AFTERNOON. WAVES 1 FT OR LESS. PATCHY FOG EARLY THIS MORNING.
TONIGHT
NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ531-052000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
858 AM EDT MON OCT 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT LATE THIS MORNING
AND AFTERNOON. WAVES 1 TO 2 FT.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...N WINDS 10 TO 15 KT
BECOMING NW 5 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
TUE NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU...W WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT.
ANZ538-052000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
858 AM EDT MON OCT 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT LATE THIS MORNING
AND AFTERNOON. WAVES 1 FT OR LESS.
TONIGHT
NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
W WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
W WINDS 5 KT. WAVES FLAT.
ANZ539-052000-
CHESTER RIVER TO QUEENSTOWN MD-
858 AM EDT MON OCT 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT LATE THIS MORNING
AND AFTERNOON. WAVES 1 TO 2 FT.
TONIGHT
N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
W WINDS AROUND 5 KT. WAVES 1 FT.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ532-052000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
858 AM EDT MON OCT 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT LATE THIS MORNING
AND AFTERNOON. WAVES 1 TO 2 FT. PATCHY FOG EARLY THIS MORNING WITH
VSBY 1 TO 3 NM.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...N WINDS 10 TO 15 KT
DIMINISHING TO 5 KT LATE. WAVES 1 TO
2 FT.
TUE NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT.
THU...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
FRI...NW WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT.
ANZ540-052000-
EASTERN BAY-
858 AM EDT MON OCT 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT LATE THIS MORNING
AND AFTERNOON. WAVES 1 FT. PATCHY FOG EARLY THIS MORNING WITH VSBY
1 TO 3 NM.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ533-052000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
858 AM EDT MON OCT 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT LATE THIS MORNING
AND AFTERNOON. WAVES 1 TO 2 FT. PATCHY FOG EARLY THIS MORNING WITH
VSBY 1 TO 3 NM.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...N WINDS 10 TO 15 KT
DIMINISHING TO 5 KT LATE. WAVES 1 TO
2 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
ANZ541-052000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
858 AM EDT MON OCT 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NW WINDS 10 KT. GUSTS UP TO 20 KT LATE THIS MORNING AND
AFTERNOON. WAVES 1 TO 2 FT. PATCHY FOG EARLY THIS MORNING WITH VSBY
1 TO 3 NM.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...N WINDS 10 TO 15 KT
DIMINISHING TO AROUND 5 KT LATE. WAVES
1 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU...W WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT OR LESS.
ANZ542-052000-
PATUXENT RIVER TO BROOMES ISLAND MD-
858 AM EDT MON OCT 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NW WINDS 5 TO 10 KT. WAVES 1 FT. PATCHY FOG EARLY THIS
MORNING WITH VSBY 1 TO 3 NM.
TONIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
W WINDS AROUND 5 KT. WAVES 1 FT.
FRI
NE WINDS AROUND 5 KT. WAVES 1 FT.
ANZ534-052000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
858 AM EDT MON OCT 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT LATE THIS MORNING
AND AFTERNOON. WAVES 1 TO 2 FT.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE...N WINDS 10 TO 15 KT
DIMINISHING TO 5 KT LATE. WAVES 2 FT.
TUE NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT.
THU...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
ANZ543-052000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
858 AM EDT MON OCT 5 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT LATE THIS MORNING
AND AFTERNOON. WAVES 1 FT.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TUE...N WINDS 10 TO 15 KT
BECOMING NW 5 KT LATE. WAVES 1 FT.
TUE NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
THU...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
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