849
FZUS51 KLWX 131107
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
706 AM EDT SUN SEP 13 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.
ANZ500-132000-
706 AM EDT SUN SEP 13 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A FRONTAL ZONE JUST SOUTH OF THE REGION IS EXPECTED TO CROSS THE
WATERS AS A WARM FRONT LATER THIS MORNING. THE NEXT COLD FRONT
CROSSES THE REGION BY MONDAY MORNING. HIGH PRESSURE RETURNS DURING
EARLY TO MIDDLE PORTIONS OF THE WEEK. SMALL CRAFT ADVISORIES WILL
LIKELY BE NEEDED MONDAY INTO MONDAY NIGHT BEHIND THE EXITING COLD
FRONT.
ANZ535-132000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
706 AM EDT SUN SEP 13 2026
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS
THIS MORNING.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
MON
N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
E WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
WED
S WINDS AROUND 5 KT. WAVES 1 FT.
THU
S WINDS AROUND 5 KT. WAVES 1 FT.
ANZ536-132000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
706 AM EDT SUN SEP 13 2026
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS
THIS MORNING.
TONIGHT...W WINDS AROUND 5 KT
BECOMING NW LATE. WAVES 1 FT.
MON
N WINDS 10 KT. WAVES 1 FT.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
E WINDS AROUND 5 KT. WAVES 1 FT.
TUE NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
WED
S WINDS AROUND 5 KT. WAVES 1 FT.
THU
S WINDS AROUND 5 KT. WAVES 1 FT.
ANZ537-132000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
706 AM EDT SUN SEP 13 2026
TODAY...W WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT OR LESS. A
SLIGHT CHANCE OF TSTMS. A CHANCE OF SHOWERS, MAINLY THIS MORNING.
TONIGHT...SW WINDS AROUND 5 KT
BECOMING NW LATE. WAVES 1 FT OR
LESS.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
WED
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-132000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
706 AM EDT SUN SEP 13 2026
TODAY
W WINDS 5 KT. WAVES FLAT. SHOWERS THIS MORNING. PATCHY FOG
THIS MORNING WITH VSBY 1 NM OR LESS.
TONIGHT...W WINDS 5 TO 10 KT
BECOMING NW 10 TO 15 KT LATE. WAVES
1 FT OR LESS.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
S WINDS AROUND 5 KT. WAVES FLAT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ531-132000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
706 AM EDT SUN SEP 13 2026
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS THIS MORNING.
TONIGHT...SW WINDS 5 KT
BECOMING NW 10 TO 15 KT LATE. WAVES 1 FT
OR LESS.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ538-132000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
706 AM EDT SUN SEP 13 2026
TODAY
W WINDS 5 KT. WAVES FLAT. SHOWERS LIKELY THIS MORNING.
PATCHY FOG THIS MORNING WITH VSBY 1 TO 3 NM.
TONIGHT...SW WINDS 5 KT
BECOMING NW LATE. WAVES 1 FT OR LESS.
MON
N WINDS 10 TO 15 KT. WAVES 1 FT.
MON NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
E WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ539-132000-
CHESTER RIVER TO QUEENSTOWN MD-
706 AM EDT SUN SEP 13 2026
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS THIS MORNING.
TONIGHT...SW WINDS 5 KT
BECOMING NW LATE. WAVES 1 FT OR LESS.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ532-132000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
706 AM EDT SUN SEP 13 2026
TODAY...W WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT OR LESS. A
SLIGHT CHANCE OF TSTMS. A CHANCE OF SHOWERS, MAINLY THIS MORNING.
TONIGHT...S WINDS 5 KT
BECOMING NW 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT OR LESS.
MON
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-132000-
EASTERN BAY-
706 AM EDT SUN SEP 13 2026
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS
WITH A SLIGHT CHANCE OF TSTMS THIS MORNING.
TONIGHT...SW WINDS AROUND 5 KT
BECOMING NW LATE. WAVES 1 FT OR
LESS.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-132000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
706 AM EDT SUN SEP 13 2026
TODAY...W WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT OR LESS. A
SLIGHT CHANCE OF TSTMS. SHOWERS LIKELY, MAINLY THIS MORNING.
TONIGHT...S WINDS 5 KT
BECOMING W 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT OR LESS.
MON
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
MON NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-132000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
706 AM EDT SUN SEP 13 2026
TODAY
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A SLIGHT CHANCE OF
TSTMS. A CHANCE OF SHOWERS, MAINLY THIS MORNING.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING NW 10 TO 15 KT LATE. WAVES
1 FT OR LESS.
MON
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-132000-
PATUXENT RIVER TO BROOMES ISLAND MD-
706 AM EDT SUN SEP 13 2026
TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A SLIGHT CHANCE OF
TSTMS. A CHANCE OF SHOWERS, MAINLY THIS MORNING.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
MON
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
E WINDS AROUND 5 KT. WAVES 1 FT.
TUE NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
WED
S WINDS AROUND 5 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-132000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
706 AM EDT SUN SEP 13 2026
TODAY...W WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS AND TSTMS, MAINLY THIS MORNING.
TONIGHT...S WINDS 5 KT
BECOMING W AFTER MIDNIGHT. WAVES 1 FT.
MON
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
MON NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
TUE...NE WINDS 10 TO 15 KT
BECOMING E AROUND 5 KT IN THE
AFTERNOON. WAVES 1 TO 2 FT.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
THU...S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS
BUILDING TO 1 TO
2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-132000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
706 AM EDT SUN SEP 13 2026
TODAY
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS, MAINLY THIS MORNING.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING NW LATE. WAVES 1 FT OR
LESS.
MON
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT.
TUE
NE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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