440
FZUS51 KLWX 132358
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
757 PM EDT SAT JUN 13 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.
ANZ500-140800-
757 PM EDT SAT JUN 13 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
QUIESCENT MARINE CONDITIONS TODAY. SOUTHERLY CHANNELING DEVELOPS
SUNDAY INTO SUNDAY NIGHT, WITH WIDESPREAD SMALL CRAFT ADVISORY GUSTS
LIKELY. ADDITIONALLY, GUSTY WINDS AND RAIN CHANCES COULD RETURN
SUNDAY AFTERNOON IN STORMS. SMALL CRAFT ADVISORY LEVEL GUSTS MAY
ALSO BE POSSIBLE IN NORTHWESTERLY FLOW LATER SUNDAY NIGHT.
ANZ535-140800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
757 PM EDT SAT JUN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...
TONIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 5 TO 10 KT. GUSTS UP TO 25 KT. WAVES 1 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
SUN NIGHT...SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
BECOMING NW
AFTER MIDNIGHT. WAVES 1 FT. A CHANCE OF SHOWERS AND TSTMS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU...SW WINDS 10 TO 15 KT
BECOMING W. WAVES 1 FT. A CHANCE OF
SHOWERS AND TSTMS THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-140800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
757 PM EDT SAT JUN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE LATE MORNING AND
AFTERNOON. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
SUN NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW LATE. WAVES 1 FT. A
CHANCE OF SHOWERS AND TSTMS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
TUE
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
AND TSTMS THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-140800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
757 PM EDT SAT JUN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
SUN NIGHT...S WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-140800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
757 PM EDT SAT JUN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
SUN NIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING W
WITH GUSTS TO 20 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE NIGHT
SE WINDS AROUND 5 KT. WAVES 1 FT.
WED
S WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING, THEN A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT.
THU...SW WINDS 15 TO 20 KT
BECOMING W 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT. A CHANCE OF TSTMS THROUGH THE NIGHT. A CHANCE OF
SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-140800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
757 PM EDT SAT JUN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN...S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT
BUILDING TO 3 FT IN THE AFTERNOON. SHOWERS LIKELY WITH A CHANCE OF
TSTMS.
SUN NIGHT...S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING NW
WITH GUSTS TO 20 KT LATE. WAVES 2 TO 3 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING. WAVES
1 TO 2 FT.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU...SW WINDS 15 TO 20 KT
BECOMING W 10 TO 15 KT. WAVES 2 TO
3 FT. A CHANCE OF TSTMS THROUGH THE NIGHT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-140800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
757 PM EDT SAT JUN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...
TONIGHT
SW WINDS 5 KT. WAVES FLAT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
SUN NIGHT...S WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES FLAT.
TUE
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU...SW WINDS 10 TO 15 KT
BECOMING W. WAVES 1 TO 2 FT. A CHANCE
OF TSTMS THROUGH THE NIGHT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-140800-
CHESTER RIVER TO QUEENSTOWN MD-
757 PM EDT SAT JUN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
SUN NIGHT...S WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
SE WINDS AROUND 5 KT. WAVES FLAT.
TUE NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE DAY.
THU...SW WINDS 10 TO 15 KT
BECOMING W. WAVES 2 FT. A CHANCE OF
SHOWERS AND TSTMS THROUGH THE NIGHT. A CHANCE OF SHOWERS AFTER
MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-140800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
757 PM EDT SAT JUN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN...S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT
BUILDING TO 3 FT IN THE AFTERNOON. SHOWERS LIKELY WITH A CHANCE OF
TSTMS.
SUN NIGHT...S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING W
10 TO 15 KT WITH GUSTS TO 20 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING. WAVES
1 TO 2 FT.
MON NIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE...NE WINDS 5 KT
BECOMING S IN THE AFTERNOON. WAVES 1 FT OR
LESS.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
THU...SW WINDS 15 TO 20 KT
BECOMING W 10 TO 15 KT AFTER MIDNIGHT.
WAVES 2 TO 3 FT. A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT. A
CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-140800-
EASTERN BAY-
757 PM EDT SAT JUN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
SUN NIGHT...S WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
N WINDS AROUND 5 KT. WAVES FLAT.
TUE
SE WINDS AROUND 5 KT. WAVES FLAT.
TUE NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE DAY.
THU...SW WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. WAVES 2 FT.
A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-140800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
757 PM EDT SAT JUN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN...S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT
BUILDING TO 3 FT IN THE AFTERNOON. SHOWERS LIKELY WITH A CHANCE OF
TSTMS.
SUN NIGHT...S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
BECOMING W
10 TO 15 KT WITH GUSTS TO 20 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON...NW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. WAVES 2 FT.
MON NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
THU...SW WINDS 15 TO 20 KT
BECOMING W 10 TO 15 KT AFTER MIDNIGHT.
WAVES 2 TO 3 FT. A CHANCE OF SHOWERS AND TSTMS THROUGH THE NIGHT. A
CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-140800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
757 PM EDT SAT JUN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
SUN NIGHT...S WINDS 15 TO 20 KT
BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. WAVES 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
MON...NW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. WAVES 1 TO 2 FT.
MON NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU...SW WINDS 15 TO 20 KT
BECOMING W 10 TO 15 KT AFTER MIDNIGHT.
WAVES 2 FT. A CHANCE OF SHOWERS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-140800-
PATUXENT RIVER TO BROOMES ISLAND MD-
757 PM EDT SAT JUN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
SUN NIGHT...S WINDS 10 TO 15 KT
BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON
NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
TUE
E WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING.
THU
SW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-140800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
757 PM EDT SAT JUN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN...S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT
BUILDING TO 3 FT IN THE AFTERNOON. A CHANCE OF SHOWERS AND TSTMS.
SUN NIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING NW
WITH GUSTS TO 20 KT LATE. WAVES 2 TO 3 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
MON...NW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT IN THE
AFTERNOON. WAVES 2 TO 3 FT.
MON NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU
SW WINDS 15 TO 20 KT. WAVES 3 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-140800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
757 PM EDT SAT JUN 13 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY
EVENING...
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
SUN NIGHT...S WINDS 10 TO 15 KT
BECOMING W LATE. GUSTS UP TO
20 KT. WAVES 2 FT. SHOWERS WITH A CHANCE OF TSTMS.
MON
NW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
MON NIGHT
E WINDS 5 KT. WAVES FLAT.
TUE
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU
SW WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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