769
FZUS51 KLWX 300728
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
327 AM EDT TUE JUN 30 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.
ANZ500-302200-
327 AM EDT TUE JUN 30 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
AN AREA OF HIGH PRESSURE WILL BUILD NEAR AND SOUTH OF THE MID-
ATLANTIC THROUGH THE WEEK. A POP UP SHOWER OR THUNDERSTORM CAN'T
TOTALLY BE RULED OUT NEAR ANY BAY OR RIVER BREEZES EACH AFTERNOON,
THOUGH MOST OF THE TIME SHOULD BE DRY UNTIL FRIDAY WHEN THE HIGH
PRESSURE BEGINS TO SHIFT. THE CHANCE OF STRONG THUNDERSTORMS WILL
INCREASE FRIDAY INTO THE WEEKEND. SOUTHERLY CHANNELING MAY REQUIRE
THE ISSUANCE OF SMALL CRAFT ADVISORIES AT TIMES THROUGH WEDNESDAY.
ANZ535-302200-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
327 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 FT.
TONIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
SW WINDS AROUND 5 KT. WAVES 1 FT.
THU NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
SAT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-302200-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
327 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT LATE. WAVES 1 FT.
TONIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS AROUND 5 KT. WAVES 1 FT.
THU NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT.
SAT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-302200-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
327 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT...S WINDS 10 TO 15 KT
BECOMING 10 KT LATE. GUSTS UP TO
20 KT. WAVES 2 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-302200-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
327 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...
REST OF THE OVERNIGHT
S WINDS 10 KT. WAVES 1 FT.
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-302200-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
327 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...
REST OF THE OVERNIGHT
S WINDS 10 KT. WAVES 1 FT.
TODAY
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
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 FT.
THU NIGHT
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-302200-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
327 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT OR
LESS.
TONIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS THROUGH THE NIGHT.
SAT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-302200-
CHESTER RIVER TO QUEENSTOWN MD-
327 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED
S WINDS 10 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-302200-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
327 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...
REST OF THE OVERNIGHT
S WINDS 10 KT. WAVES 1 FT.
TODAY...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT
BUILDING TO 3 FT IN THE AFTERNOON.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
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. WAVES 1 TO 2 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-302200-
EASTERN BAY-
327 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES FLAT
BUILDING TO 2 FT IN THE AFTERNOON.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 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.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-302200-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
327 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...
REST OF THE OVERNIGHT
S WINDS 10 KT. WAVES 1 FT.
TODAY
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
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 WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-302200-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
327 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES FLAT
BUILDING TO 2 FT IN THE AFTERNOON.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-302200-
PATUXENT RIVER TO BROOMES ISLAND MD-
327 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON
THROUGH LATE TONIGHT...
REST OF THE OVERNIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
SE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...LIGHT WINDS
BECOMING SW 5 TO 10 KT. WAVES 1 FT. A CHANCE OF
SHOWERS AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-302200-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
327 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...
REST OF THE OVERNIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
TODAY
SE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO
3 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 2 FT.
FRI
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-302200-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
327 AM EDT TUE JUN 30 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE
TONIGHT...
REST OF THE OVERNIGHT
SE WINDS 5 KT. WAVES FLAT.
TODAY
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 FT OR LESS.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
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 FT.
THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI
SW WINDS 10 TO 15 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page