492
FZUS51 KLWX 240257
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1056 PM EDT TUE JUN 23 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.
ANZ500-240800-
1056 PM EDT TUE JUN 23 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A LOW PRESSURE SYSTEM WILL TRACK ACROSS THE AREA THIS AFTERNOON.
HEAVY SHOWERS AND POSSIBLE STRONG TO SEVERE THUNDERSTORMS WILL
DEVELOP OVER CENTRAL AND SOUTHERN VIRGINIA AND MOVE TOWARD THE TIDAL
POTOMAC AND CENTRAL AND SOUTHERN CHESAPEAKE BAY THROUGH EARLY THIS
EVENING. SPECIAL MARINE WARNINGS MAY BE NEEDED WITHIN THE NEXT 4 TO
6 HOURS OVER THE WATERS. HIGH PRESSURE BUILDS INTO THE AREA TONIGHT
AND EARLY THURSDAY SUPPORTING FAIR WEATHER CONDITIONS. ANOTHER AREA
OF LOW PRESSURE WILL TRACK ACROSS THE AREA OVER THE WEEKEND BRINGING
ADDITIONAL SHOWERS AND THUNDERSTORMS.
ANZ535-240800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1056 PM EDT TUE JUN 23 2026
REST OF TONIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SAT
W WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY. A CHANCE OF
TSTMS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-240800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1056 PM EDT TUE JUN 23 2026
REST OF TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS AROUND 5 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 AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SAT
W WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SUN
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-240800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1056 PM EDT TUE JUN 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
REST OF TONIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 TO 2 FT.
WED
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES FLAT.
THU
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES FLAT...BUILDING TO 2 FT IN THE AFTERNOON.
THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SAT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
SUN
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-240800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1056 PM EDT TUE JUN 23 2026
REST OF TONIGHT
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT. WAVES
1 FT.
WED
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
THU
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON. WAVES
1 FT.
THU NIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
FRI NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS WITH A CHANCE
OF TSTMS.
SAT
W WINDS AROUND 5 KT. WAVES FLAT. SHOWERS. A CHANCE OF TSTMS
THROUGH THE NIGHT.
SUN
NE WINDS AROUND 5 KT. WAVES FLAT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-240800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1056 PM EDT TUE JUN 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
REST OF TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
1 TO 2 FT.
WED...NW WINDS 10 TO 15 KT
BECOMING W 5 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
WED NIGHT
SW WINDS 5 KT. WAVES FLAT.
THU
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS WITH
A CHANCE OF TSTMS.
SAT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS. A CHANCE OF
TSTMS THROUGH THE NIGHT, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
NE WINDS AROUND 5 KT. WAVES FLAT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-240800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1056 PM EDT TUE JUN 23 2026
REST OF TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
THU
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON. WAVES
1 FT OR LESS.
THU NIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI
S WINDS 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND TSTMS.
FRI NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS WITH A CHANCE
OF TSTMS.
SAT
W WINDS AROUND 5 KT. WAVES FLAT. SHOWERS. A CHANCE OF TSTMS
THROUGH THE NIGHT.
SUN
E WINDS AROUND 5 KT. WAVES FLAT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-240800-
CHESTER RIVER TO QUEENSTOWN MD-
1056 PM EDT TUE JUN 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
REST OF TONIGHT
N WINDS 10 KT. WAVES 1 TO 2 FT.
WED
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS WITH A CHANCE
OF TSTMS.
SAT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS. A CHANCE OF
TSTMS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
NE WINDS AROUND 5 KT. WAVES FLAT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-240800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1056 PM EDT TUE JUN 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
REST OF TONIGHT
NW WINDS 10 TO 15 KT. WAVES 1 FT.
WED...N WINDS 5 TO 10 KT
BECOMING S LATE. WAVES 1 FT.
WED NIGHT
SW WINDS 5 TO 10 KT. WAVES FLAT.
THU
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SAT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY. A
CHANCE OF TSTMS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-240800-
EASTERN BAY-
1056 PM EDT TUE JUN 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
REST OF TONIGHT
N WINDS 10 KT. WAVES 1 FT.
WED
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS 5 KT. WAVES FLAT.
THU
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
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. A CHANCE OF SHOWERS AND
TSTMS.
FRI NIGHT
SE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SAT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY. A
CHANCE OF TSTMS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
SUN
NE WINDS AROUND 5 KT. WAVES FLAT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-240800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1056 PM EDT TUE JUN 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
REST OF TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
WED...N WINDS 10 TO 15 KT
BECOMING E 5 KT LATE. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
THU
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
THU NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SAT...W WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES 1 FT
OR LESS. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
SUN
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-240800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1056 PM EDT TUE JUN 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
REST OF TONIGHT
N WINDS 10 TO 15 KT. WAVES 1 FT.
WED...NW WINDS 10 TO 15 KT
BECOMING W 5 KT LATE. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES FLAT.
THU
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 FT.
THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SAT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
SUN
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-240800-
PATUXENT RIVER TO BROOMES ISLAND MD-
1056 PM EDT TUE JUN 23 2026
REST OF TONIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
N WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SAT
W WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SUN
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-240800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1056 PM EDT TUE JUN 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
REST OF TONIGHT
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO
3 FT.
WED...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NW 5 KT
LATE. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
THU NIGHT
S WINDS 15 TO 20 KT. WAVES 3 FT.
FRI
S WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI NIGHT
S WINDS 5 TO 10 KT. WAVES 2 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SAT
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SUN
E WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-240800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1056 PM EDT TUE JUN 23 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY MORNING
REST OF TONIGHT
N WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO
2 FT.
WED...NW WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT LATE. GUSTS UP
TO 20 KT. WAVES 1 FT.
WED NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
S WINDS 15 TO 20 KT. WAVES 2 FT.
FRI
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND
TSTMS.
FRI NIGHT
S WINDS 10 TO 15 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
SAT
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
SUN
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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