233
FZUS51 KLWX 081227
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
827 AM EDT TUE SEP 8 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.
ANZ500-082000-
827 AM EDT TUE SEP 8 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL DRIFT OFFSHORE THROUGH MID WEEK SHIFTING WINDS TO
THE SOUTH. WINDS MAY BRIEFLY INCREASE TO NEAR SMALL CRAFT ADVISORY
LEVELS EARLY WEDNESDAY, BUT ARE MORE LIKELY TO REACH SUCH LEVELS
WEDNESDAY AFTERNOON AND NIGHT. GUSTY WINDS COULD CONTINUE THROUGH
THURSDAY AS WINDS SHIFT TO THE WEST AND NORTHWEST AS A COLD FRONT
CROSSES. LIGHTER WINDS ARE CURRENTLY EXPECTED ON FRIDAY.
ANZ535-082000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
827 AM EDT TUE SEP 8 2026
TODAY
SW WINDS AROUND 5 KT. WAVES 1 FT.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE LATE MORNING AND
AFTERNOON. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-082000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
827 AM EDT TUE SEP 8 2026
TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-082000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
827 AM EDT TUE SEP 8 2026
TODAY...W WINDS 5 TO 10 KT
BECOMING S THIS AFTERNOON. WAVES 1 FT
OR LESS.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 10 TO 15 KT. WAVES 1 FT.
WED NIGHT
S WINDS 15 TO 20 KT. WAVES 2 FT.
THU
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
THU NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI...NE WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 FT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
ANZ530-082000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
827 AM EDT TUE SEP 8 2026
TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED...SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
INCREASING TO
25 KT LATE. WAVES 1 TO 2 FT.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-082000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
827 AM EDT TUE SEP 8 2026
TODAY...W WINDS AROUND 5 KT
BECOMING S LATE. WAVES 1 FT OR LESS.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED...S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
INCREASING TO 25 KT
LATE. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
THU
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-082000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
827 AM EDT TUE SEP 8 2026
TODAY...W WINDS AROUND 5 KT
BECOMING SE LATE. WAVES 1 FT OR LESS.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-082000-
CHESTER RIVER TO QUEENSTOWN MD-
827 AM EDT TUE SEP 8 2026
TODAY
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 FT OR
LESS.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-082000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
827 AM EDT TUE SEP 8 2026
TODAY...SW WINDS 5 KT
BECOMING S LATE. WAVES 1 FT OR LESS.
TONIGHT
S WINDS 10 KT. WAVES 2 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
THU
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI...N WINDS 10 TO 15 KT
BECOMING E 5 KT. WAVES 1 FT.
SAT...SE WINDS 10 TO 15 KT
BECOMING S 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-082000-
EASTERN BAY-
827 AM EDT TUE SEP 8 2026
TODAY...W WINDS AROUND 5 KT
BECOMING S LATE. WAVES 1 FT OR LESS.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 15 TO 20 KT. WAVES 2 FT.
THU
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI...N WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 FT OR
LESS.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-082000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
827 AM EDT TUE SEP 8 2026
TODAY...W WINDS 5 KT
BECOMING S LATE. WAVES 1 FT OR LESS.
TONIGHT
S WINDS 10 KT. WAVES 1 TO 2 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
THU...SW WINDS 15 TO 20 KT
DIMINISHING TO 10 KT IN THE AFTERNOON.
WAVES 2 FT. A CHANCE OF SHOWERS.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI...N WINDS 10 TO 15 KT
BECOMING E 5 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS IN THE MORNING.
SAT...SE WINDS 10 TO 15 KT
BECOMING S 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-082000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
827 AM EDT TUE SEP 8 2026
TODAY...W WINDS 5 KT
BECOMING S LATE. WAVES 1 FT OR LESS.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU...SW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI...N WINDS 10 TO 15 KT
BECOMING E AROUND 5 KT. WAVES 1 FT OR
LESS. A CHANCE OF SHOWERS IN THE MORNING.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-082000-
PATUXENT RIVER TO BROOMES ISLAND MD-
827 AM EDT TUE SEP 8 2026
TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE
OF SHOWERS.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
FRI...NE WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS IN THE MORNING.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
ANZ534-082000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
827 AM EDT TUE SEP 8 2026
TODAY...W WINDS 10 KT
BECOMING S THIS AFTERNOON. WAVES 1 FT OR
LESS.
TONIGHT...S WINDS 10 TO 15 KT
BECOMING SW LATE. WAVES 2 FT.
WED...SW WINDS 10 TO 15 KT
BECOMING S LATE. GUSTS UP TO 20 KT.
WAVES 1 FT...BUILDING TO 3 FT IN THE AFTERNOON.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
THU
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
THU NIGHT...W WINDS 10 TO 15 KT
BECOMING NW AFTER MIDNIGHT. WAVES
2 FT. A CHANCE OF SHOWERS.
FRI...N WINDS 10 TO 15 KT
BECOMING E 5 TO 10 KT. WAVES 1 TO 2 FT.
SAT...SE WINDS 10 TO 15 KT
BECOMING S 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
ANZ543-082000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
827 AM EDT TUE SEP 8 2026
TODAY...W WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES FLAT.
TONIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
THU
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU NIGHT...SW WINDS 10 TO 15 KT
BECOMING NW AFTER MIDNIGHT.
GUSTS UP TO 20 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
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