962
FZUS51 KLWX 301903
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
303 PM 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.
ANZ500-010800-
303 PM 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 THURSDAY.
ANZ535-010800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
303 PM EDT TUE JUN 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT WEDNESDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
WEDNESDAY EVENING...
REST OF THIS AFTERNOON
S WINDS 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
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT LATE. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 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.
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.
ANZ536-010800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
303 PM EDT TUE JUN 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT WEDNESDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
WEDNESDAY EVENING...
REST OF THIS AFTERNOON
SE WINDS 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. GUSTS UP TO 20 KT LATE. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
S WINDS AROUND 5 KT. WAVES 1 FT.
THU NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
SW WINDS AROUND 5 KT. WAVES 1 FT.
SAT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
ANZ537-010800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
303 PM EDT TUE JUN 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT WEDNESDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
LATE WEDNESDAY NIGHT...
REST OF THIS AFTERNOON
SE WINDS 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. GUSTS UP 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 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. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
ANZ530-010800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
303 PM EDT TUE JUN 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
WEDNESDAY EVENING...
REST OF THIS AFTERNOON
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED
SW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT LATE. WAVES 2 FT.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 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 AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-010800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
303 PM EDT TUE JUN 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
LATE WEDNESDAY NIGHT...
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED...S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT
INCREASING TO 25 KT
LATE. WAVES 2 FT.
WED NIGHT...S WINDS 10 TO 15 KT. GUSTS UP TO 30 KT
DIMINISHING TO
20 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.
THU
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
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.
ANZ538-010800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
303 PM EDT TUE JUN 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT WEDNESDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
LATE WEDNESDAY NIGHT...
REST OF THIS AFTERNOON
S WINDS 15 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 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
WED NIGHT...S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING
TO 5 KT AFTER MIDNIGHT. WAVES 1 TO 2 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
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
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.
ANZ539-010800-
CHESTER RIVER TO QUEENSTOWN MD-
303 PM EDT TUE JUN 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
LATE WEDNESDAY NIGHT...
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
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 2 FT.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT.
FRI
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
SW WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-010800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
303 PM EDT TUE JUN 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
LATE WEDNESDAY NIGHT...
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
3 FT.
TONIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
WED...S WINDS 15 TO 20 KT. GUSTS UP TO 20 KT
INCREASING TO 30 KT
LATE. WAVES 2 TO 3 FT.
WED NIGHT...S WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING TO
20 KT AFTER MIDNIGHT. WAVES 4 FT... SUBSIDING TO 2 FT AFTER
MIDNIGHT.
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.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 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.
ANZ540-010800-
EASTERN BAY-
303 PM EDT TUE JUN 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
LATE WEDNESDAY NIGHT...
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT LATE. WAVES 2 FT.
WED NIGHT...S WINDS 10 TO 15 KT. GUSTS UP TO 30 KT
DIMINISHING TO
20 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
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 THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-010800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
303 PM EDT TUE JUN 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
LATE WEDNESDAY NIGHT...
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
WED...S WINDS 10 TO 15 KT
INCREASING TO 15 TO 20 KT WITH GUSTS TO
25 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
WED NIGHT...S WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING TO
20 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 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. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
ANZ541-010800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
303 PM EDT TUE JUN 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
LATE WEDNESDAY NIGHT...
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT LATE. WAVES 2 FT.
WED NIGHT...S WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING TO
20 KT AFTER MIDNIGHT. WAVES 2 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 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.
ANZ542-010800-
PATUXENT RIVER TO BROOMES ISLAND MD-
303 PM EDT TUE JUN 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM EDT WEDNESDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...
REST OF THIS AFTERNOON
SE WINDS 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 10 TO 15 KT. GUSTS UP TO 25 KT LATE. WAVES 1 FT.
WED NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.
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
SW WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
ANZ534-010800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
303 PM EDT TUE JUN 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
LATE WEDNESDAY NIGHT...
REST OF THIS AFTERNOON
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
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
INCREASING TO
15 TO 20 KT WITH GUSTS TO 25 KT LATE. WAVES 2 TO 3 FT.
WED NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 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 THROUGH
THE NIGHT.
ANZ543-010800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
303 PM EDT TUE JUN 30 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
LATE WEDNESDAY NIGHT...
REST OF THIS AFTERNOON
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 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 10 TO 15 KT WITH GUSTS TO 25 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 THROUGH
THE NIGHT.
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