934
FZUS51 KLWX 272057
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
457 PM EDT SUN SEP 27 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.
ANZ500-280800-
457 PM EDT SUN SEP 27 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A NOR'EASTER WILL MEANDER OFF THE MID ATLANTIC COAST THROUGH TONIGHT
BEFORE FINALLY DEPARTING TO THE NORTHEAST MONDAY. HIGH PRESSURE
WILL BUILD INTO THE AREA FOR THE MIDDLE OF THE WEEK.
ANZ535-280800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
457 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT MONDAY
REST OF THIS AFTERNOON
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. NUMEROUS SHOWERS.
TONIGHT
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT.
MON
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
TUE
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-280800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
457 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT MONDAY
REST OF THIS AFTERNOON
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
1 FT. SCATTERED SHOWERS.
TONIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL EARLY
MORNING. WAVES 1 FT.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT.
TUE
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ537-280800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
457 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF THIS AFTERNOON
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES
3 FT. SCATTERED SHOWERS.
TONIGHT...NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT
DIMINISHING
TO 10 KT WITH GUSTS TO 20 KT LATE. WAVES 2 TO 3 FT.
MON
NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NW WINDS AROUND 5 KT. WAVES FLAT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
WED...SW WINDS AROUND 5 KT
BECOMING S. WAVES 1 FT OR LESS.
THU
SW WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ530-280800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
457 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF THIS AFTERNOON
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT. ISOLATED SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SCATTERED SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS. PATCHY
FOG. VSBY 1 TO 3 NM.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
NW WINDS 5 KT. WAVES FLAT.
TUE NIGHT
NW WINDS AROUND 5 KT. WAVES FLAT.
WED
SW WINDS AROUND 5 KT. WAVES FLAT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ531-280800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
457 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF THIS AFTERNOON
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES
3 FT. SCATTERED SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING TO
20 KT LATE. WAVES 3 FT. SCATTERED SHOWERS. PATCHY FOG. VSBY 1 TO
3 NM.
MON
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 1 TO 2 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NW WINDS 5 KT. WAVES FLAT.
TUE NIGHT
W WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ538-280800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
457 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT MONDAY
REST OF THIS AFTERNOON
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT. SCATTERED SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT UNTIL EARLY
MORNING. WAVES 1 FT. SCATTERED SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
NW WINDS 5 KT. WAVES FLAT.
TUE
NW WINDS 5 KT. WAVES FLAT.
TUE NIGHT
NW WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS AROUND 5 KT. WAVES FLAT.
THU
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ539-280800-
CHESTER RIVER TO QUEENSTOWN MD-
457 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF THIS AFTERNOON
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES
4 FT. SCATTERED SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING TO
20 KT LATE. WAVES 3 FT. SCATTERED SHOWERS. PATCHY FOG. VSBY 1 TO
3 NM.
MON
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 2 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NW WINDS 5 KT. WAVES FLAT.
TUE NIGHT
W WINDS AROUND 5 KT. WAVES FLAT.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ532-280800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
457 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF THIS AFTERNOON
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES
3 FT. NUMEROUS SHOWERS.
TONIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING TO
20 KT LATE. WAVES 2 TO 3 FT. SCATTERED SHOWERS. PATCHY FOG. VSBY
1 TO 3 NM.
MON
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 1 TO 2 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NW WINDS 5 KT. WAVES FLAT.
TUE NIGHT
W WINDS AROUND 5 KT. WAVES FLAT.
WED...NW WINDS AROUND 5 KT
BECOMING S. WAVES 1 FT OR LESS.
THU
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
ANZ540-280800-
EASTERN BAY-
457 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF THIS AFTERNOON
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES
3 FT. SCATTERED SHOWERS. PATCHY FOG. VSBY 1 TO 3 NM.
TONIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING TO
20 KT LATE. WAVES 2 TO 3 FT. SCATTERED SHOWERS. PATCHY FOG. VSBY
1 TO 3 NM.
MON
NW WINDS 10 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON. WAVES
1 TO 2 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NW WINDS 5 KT. WAVES FLAT.
TUE NIGHT
W WINDS AROUND 5 KT. WAVES FLAT.
WED...W WINDS 5 KT
BECOMING S. WAVES 1 FT OR LESS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ533-280800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
457 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF THIS AFTERNOON
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES
4 FT. NUMEROUS SHOWERS.
TONIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING TO
20 KT LATE. WAVES 3 FT. SCATTERED SHOWERS. PATCHY FOG. VSBY 1 TO
3 NM.
MON
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 2 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
W WINDS AROUND 5 KT. WAVES FLAT.
WED...NW WINDS 5 KT
BECOMING S. WAVES 1 FT OR LESS.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ541-280800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
457 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF THIS AFTERNOON
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES
3 FT. NUMEROUS SHOWERS.
TONIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING TO
20 KT LATE. WAVES 2 TO 3 FT. SCATTERED SHOWERS. PATCHY FOG. VSBY
1 TO 3 NM.
MON
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 2 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
W WINDS AROUND 5 KT. WAVES FLAT.
WED...SW WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT OR LESS.
THU
S WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ542-280800-
PATUXENT RIVER TO BROOMES ISLAND MD-
457 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT MONDAY
REST OF THIS AFTERNOON
NW WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
1 FT. SCATTERED SHOWERS.
TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
WED...W WINDS 5 KT
BECOMING S. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-280800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
457 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF THIS AFTERNOON
NW WINDS 20 KT WITH GUSTS TO 30 KT. WAVES
5 FT. SCATTERED SHOWERS.
TONIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 30 KT. WAVES 5 FT
SUBSIDING TO 3 FT AFTER MIDNIGHT.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
WED...S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS
BUILDING TO 2 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ543-280800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
457 PM EDT SUN SEP 27 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON
REST OF THIS AFTERNOON
NW WINDS 25 KT WITH GUSTS TO 30 KT. WAVES
3 FT. SCATTERED SHOWERS.
TONIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 TO
3 FT. PATCHY FOG. VSBY 1 TO 3 NM.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
WED...SW WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT OR LESS.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
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