434
FZUS51 KLWX 081434
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1034 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-
1034 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-
1034 AM EDT TUE SEP 8 2026
REST OF TODAY
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 5 TO 10 KT. 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-
1034 AM EDT TUE SEP 8 2026
REST OF TODAY
S 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 TO 15 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-
1034 AM EDT TUE SEP 8 2026
REST OF TODAY...NW WINDS 5 TO 10 KT
BECOMING E LATE. WAVES 1 FT
OR LESS.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 10 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-
1034 AM EDT TUE SEP 8 2026
REST OF TODAY
S WINDS 5 KT. WAVES FLAT.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 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 OR LESS.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-082000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1034 AM EDT TUE SEP 8 2026
REST OF TODAY...S WINDS 5 KT
BECOMING SE LATE. WAVES 1 FT OR
LESS.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S 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 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-
1034 AM EDT TUE SEP 8 2026
REST OF TODAY...SW WINDS 5 KT
BECOMING SE LATE. WAVES 1 FT OR
LESS.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE LATE MORNING
AND AFTERNOON. WAVES 1 FT.
WED NIGHT
S WINDS 10 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-
1034 AM EDT TUE SEP 8 2026
REST OF TODAY
W WINDS 5 KT. WAVES FLAT.
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-
1034 AM EDT TUE SEP 8 2026
REST OF 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 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-
1034 AM EDT TUE SEP 8 2026
REST OF TODAY
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
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-
1034 AM EDT TUE SEP 8 2026
REST OF TODAY...W WINDS 5 KT
BECOMING SE LATE. WAVES 1 FT OR
LESS.
TONIGHT
S WINDS 10 KT. WAVES 2 FT.
WED...SW WINDS 10 TO 15 KT
BECOMING S LATE. GUSTS UP TO 20 KT.
WAVES 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
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-
1034 AM EDT TUE SEP 8 2026
REST OF TODAY
W WINDS 5 KT. WAVES LESS THAN 1 FT.
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-
1034 AM EDT TUE SEP 8 2026
REST OF TODAY
NW 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 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-
1034 AM EDT TUE SEP 8 2026
REST OF TODAY...W WINDS 5 TO 10 KT
BECOMING SE LATE. WAVES 1 FT.
TONIGHT...S WINDS 10 TO 15 KT
BECOMING SW AFTER MIDNIGHT. WAVES
2 FT.
WED...SW WINDS 10 TO 15 KT
BECOMING S LATE. GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT.
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-
1034 AM EDT TUE SEP 8 2026
REST OF TODAY...W WINDS 5 TO 10 KT
BECOMING SW LATE. WAVES 1 FT
OR LESS.
TONIGHT...S WINDS 10 TO 15 KT
BECOMING SW LATE. WAVES 1 TO 2 FT.
WED...SW WINDS 10 TO 15 KT
BECOMING S LATE. GUSTS UP 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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