868
FZUS51 KLWX 260627
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
226 AM EDT WED AUG 26 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.
ANZ500-262000-
226 AM EDT WED AUG 26 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A COLD FRONT WILL APPROACH FROM THE NORTHWEST THURSDAY AND
EVENTUALLY PASS TO THE SOUTHEAST AND WEAKEN BY EARLY SATURDAY. HIGH
PRESSURE WILL BUILD NORTH OF THE AREA THIS WEEKEND. SMALL CRAFT
ADVISORIES ARE POSSIBLE AGAIN ON THURSDAY AHEAD OF THE FRONT, ALONG
WITH THE POTENTIAL FOR GUSTY THUNDERSTORMS IN THE AFTERNOON AND
EVENING, WHICH MAY NECESSITATE SMWS.
ANZ535-262000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
226 AM EDT WED AUG 26 2026
OVERNIGHT
LIGHT WINDS. WAVES FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 5 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
FRI NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-262000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
226 AM EDT WED AUG 26 2026
OVERNIGHT
NW WINDS AROUND 5 KT. WAVES FLAT.
WED...SW WINDS AROUND 5 KT
BECOMING S LATE. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-262000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
226 AM EDT WED AUG 26 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...
OVERNIGHT
W WINDS 5 KT. WAVES FLAT.
WED...SW WINDS AROUND 5 KT
BECOMING SE WITH GUSTS TO 20 KT IN THE
AFTERNOON. WAVES 1 FT OR LESS.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU NIGHT...S WINDS 10 TO 15 KT
DIMINISHING TO 5 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND TSTMS.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY.
FRI NIGHT
NE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
SUN...SE WINDS 5 TO 10 KT
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-262000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
226 AM EDT WED AUG 26 2026
OVERNIGHT
N WINDS 5 KT. WAVES FLAT.
WED...E WINDS AROUND 5 KT
BECOMING S LATE. WAVES 1 FT OR LESS.
WED NIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE
OF SHOWERS AND TSTMS.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
FRI
N WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES FLAT.
SAT...NE WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT OR LESS.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-262000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
226 AM EDT WED AUG 26 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...
OVERNIGHT
N WINDS 5 KT. WAVES FLAT.
WED...E WINDS AROUND 5 KT
BECOMING S WITH GUSTS TO 20 KT IN THE
AFTERNOON. WAVES 1 FT OR LESS.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A CHANCE
OF SHOWERS AND TSTMS.
THU NIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING SW
AROUND 5 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI
N WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT...NE WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT OR LESS.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-262000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
226 AM EDT WED AUG 26 2026
OVERNIGHT
NW WINDS AROUND 5 KT. WAVES FLAT.
WED...NE WINDS AROUND 5 KT
BECOMING SE IN THE AFTERNOON. WAVES
1 FT OR LESS.
WED NIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE
OF SHOWERS AND TSTMS.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
FRI
N WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES FLAT.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 5 TO 10 KT. WAVES FLAT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-262000-
CHESTER RIVER TO QUEENSTOWN MD-
226 AM EDT WED AUG 26 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...
OVERNIGHT
N WINDS AROUND 5 KT. WAVES FLAT.
WED...SE WINDS 5 KT
BECOMING S LATE. WAVES 1 FT OR LESS.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND
TSTMS.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI
NW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES FLAT.
SAT...E WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-262000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
226 AM EDT WED AUG 26 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...
OVERNIGHT
NW WINDS 5 KT. WAVES FLAT.
WED...E WINDS 5 KT
BECOMING S 10 TO 15 KT WITH GUSTS TO 20 KT IN
THE AFTERNOON. WAVES FLAT...BUILDING TO 2 FT IN THE AFTERNOON.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT. A
CHANCE OF SHOWERS AND TSTMS.
THU NIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING
TO 5 KT AFTER MIDNIGHT. WAVES 3 FT... SUBSIDING TO 1 FT AFTER
MIDNIGHT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
FRI
N WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES FLAT.
SAT...E WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-262000-
EASTERN BAY-
226 AM EDT WED AUG 26 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...
OVERNIGHT
N WINDS 5 KT. WAVES FLAT.
WED...E WINDS 5 KT
BECOMING S WITH GUSTS TO 20 KT IN THE
AFTERNOON. WAVES 1 FT OR LESS.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS AND TSTMS.
THU NIGHT
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
FRI
NW WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
FRI NIGHT
N WINDS AROUND 5 KT. WAVES FLAT.
SAT...E WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-262000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
226 AM EDT WED AUG 26 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...
OVERNIGHT
W WINDS 5 KT. WAVES FLAT.
WED...W WINDS AROUND 5 KT
BECOMING S 10 TO 15 KT WITH GUSTS TO
20 KT IN THE AFTERNOON. WAVES FLAT... BUILDING TO 2 FT IN THE
AFTERNOON.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT. A
CHANCE OF SHOWERS.
THU NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. A CHANCE OF SHOWERS
AND TSTMS.
FRI
NW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-262000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
226 AM EDT WED AUG 26 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...
OVERNIGHT
W WINDS 5 KT. WAVES FLAT.
WED...E WINDS AROUND 5 KT
BECOMING S IN THE AFTERNOON. WAVES 1 FT
OR LESS.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND TSTMS.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
FRI NIGHT
NE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-262000-
PATUXENT RIVER TO BROOMES ISLAND MD-
226 AM EDT WED AUG 26 2026
OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
WED...SW WINDS AROUND 5 KT
BECOMING SE WITH GUSTS TO 20 KT IN THE
AFTERNOON. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI
NW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT.
SUN...SE WINDS 5 TO 10 KT
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-262000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
226 AM EDT WED AUG 26 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...
OVERNIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
WED...SW WINDS 5 KT
BECOMING S 10 TO 15 KT WITH GUSTS TO 20 KT IN
THE AFTERNOON. WAVES FLAT...BUILDING TO 2 FT IN THE AFTERNOON.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
THU NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 2 TO 3 FT. A CHANCE OF SHOWERS AND TSTMS.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN...SE WINDS 5 TO 10 KT
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-262000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
226 AM EDT WED AUG 26 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS EVENING THROUGH LATE
TONIGHT...
OVERNIGHT
W WINDS 5 KT. WAVES FLAT.
WED...W WINDS AROUND 5 KT
BECOMING S WITH GUSTS TO 20 KT IN THE
AFTERNOON. WAVES 1 FT OR LESS.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS AND TSTMS.
FRI
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
W WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN...SE WINDS 5 TO 10 KT
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT
OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page