964
FZUS51 KLWX 160628
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
228 AM EDT THU APR 16 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.
ANZ500-162000-
228 AM EDT THU APR 16 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
IT WILL REMAIN VERY WARM AND DRY THROUGH FRIDAY AS AN AREA OF HIGH
PRESSURE BUILDS ACROSS THE MID-ATLANTIC. A COLD FRONT LATE SATURDAY
NIGHT COULD BRING THE NEXT CHANCE FOR WIDESPREAD SHOWERS. SMALL
CRAFT ADVISORIES MAY BE NEEDED SATURDAY AFTERNOON THROUGH MONDAY
EVENING.
ANZ535-162000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
228 AM EDT THU APR 16 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
EVENING...
OVERNIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL EARLY
MORNING. WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
NW WINDS 10 TO 15 KT. WAVES 1 FT. SHOWERS LIKELY THROUGH THE
DAY, THEN A CHANCE OF SHOWERS IN THE EVENING.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-162000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
228 AM EDT THU APR 16 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
EVENING...
OVERNIGHT
SW WINDS 10 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 FT.
THU NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN...NW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. SHOWERS LIKELY THROUGH THE DAY, THEN A
CHANCE OF SHOWERS IN THE EVENING.
MON...NW WINDS 10 TO 15 KT
BECOMING N 5 KT AFTER MIDNIGHT. WAVES
1 FT.
ANZ537-162000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
228 AM EDT THU APR 16 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
EVENING...
OVERNIGHT
SW WINDS 10 KT. WAVES 1 FT.
THU
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SCATTERED SHOWERS.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT
SE WINDS 5 KT. WAVES FLAT.
SAT...E WINDS 5 KT
BECOMING SE 10 TO 15 KT WITH GUSTS TO 20 KT IN
THE AFTERNOON. WAVES 1 FT OR LESS.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
SUN
NW WINDS 15 TO 20 KT. WAVES 2 FT. SHOWERS LIKELY.
MON
NW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
ANZ530-162000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
228 AM EDT THU APR 16 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
EVENING...
OVERNIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 FT.
THU NIGHT...SW WINDS 5 TO 10 KT
BECOMING W LATE. WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
NW WINDS 10 TO 15 KT. WAVES 1 FT. SHOWERS LIKELY THROUGH THE
DAY, THEN A CHANCE OF SHOWERS IN THE EVENING.
MON...NW WINDS 10 TO 15 KT
BECOMING N 5 KT AFTER MIDNIGHT. WAVES
1 TO 2 FT.
ANZ531-162000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
228 AM EDT THU APR 16 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
EVENING...
OVERNIGHT
SW WINDS 10 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT...SW WINDS 10 KT WITH GUSTS TO 20 KT
BECOMING W LATE.
WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
SE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 FT OR LESS.
SAT NIGHT
SE WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.
WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
NW WINDS 15 TO 20 KT. WAVES 2 FT. SHOWERS LIKELY THROUGH THE
DAY, THEN A CHANCE OF SHOWERS IN THE EVENING.
MON...NW WINDS 15 TO 20 KT
BECOMING N 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
ANZ538-162000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
228 AM EDT THU APR 16 2026
OVERNIGHT
SW WINDS 5 KT. WAVES FLAT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
THU NIGHT...SW WINDS 10 KT
BECOMING W LATE. WAVES 1 FT OR LESS.
FRI
NW WINDS 5 TO 10 KT. WAVES FLAT.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES FLAT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT NIGHT
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
NW WINDS 10 TO 15 KT. WAVES 1 FT. SHOWERS LIKELY THROUGH THE
DAY, THEN A CHANCE OF SHOWERS IN THE EVENING.
MON...NW WINDS 10 TO 15 KT
BECOMING N 5 KT AFTER MIDNIGHT. WAVES
1 FT.
ANZ539-162000-
CHESTER RIVER TO QUEENSTOWN MD-
228 AM EDT THU APR 16 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
EVENING...
OVERNIGHT
SW WINDS 10 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT...SW WINDS 10 KT WITH GUSTS TO 20 KT
BECOMING W LATE.
WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
N WINDS 5 TO 10 KT. WAVES FLAT.
SAT
SE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 FT OR LESS.
SAT NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.
WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
NW WINDS 15 TO 20 KT. WAVES 2 FT. SHOWERS LIKELY THROUGH THE
DAY, THEN A CHANCE OF SHOWERS IN THE EVENING.
MON
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ532-162000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
228 AM EDT THU APR 16 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
EVENING...
OVERNIGHT
SW WINDS 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE LATE MORNING AND
AFTERNOON. WAVES 1 FT.
THU NIGHT...SW WINDS 10 KT WITH GUSTS TO 20 KT
BECOMING W LATE.
WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
NE WINDS 5 KT. WAVES FLAT.
SAT...E WINDS 5 KT
BECOMING SE 10 TO 15 KT WITH GUSTS TO 20 KT IN
THE AFTERNOON. WAVES FLAT...BUILDING TO 2 FT IN THE AFTERNOON.
SAT NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.
WAVES 2 FT. A CHANCE OF SHOWERS.
SUN
NW WINDS 15 TO 20 KT. WAVES 2 FT. SHOWERS LIKELY THROUGH THE
DAY, THEN A CHANCE OF SHOWERS IN THE EVENING.
MON
NW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
ANZ540-162000-
EASTERN BAY-
228 AM EDT THU APR 16 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
EVENING...
OVERNIGHT
SW WINDS 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE LATE MORNING AND
AFTERNOON. WAVES 1 FT.
THU NIGHT...SW WINDS 10 KT WITH GUSTS TO 20 KT
BECOMING W LATE.
WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
N WINDS 5 KT. WAVES FLAT.
SAT
SE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 FT OR LESS.
SAT NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.
WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
NW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY THROUGH
THE DAY, THEN A CHANCE OF SHOWERS IN THE EVENING.
MON
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ533-162000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
228 AM EDT THU APR 16 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
EVENING...
OVERNIGHT
SW WINDS 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE LATE MORNING AND
AFTERNOON. WAVES 1 FT.
THU NIGHT...SW WINDS 10 KT WITH GUSTS TO 20 KT
BECOMING W LATE.
WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
N WINDS 5 KT. WAVES FLAT.
SAT...E WINDS 5 KT
BECOMING SE 10 TO 15 KT WITH GUSTS TO 20 KT IN
THE AFTERNOON. WAVES FLAT...BUILDING TO 2 FT IN THE AFTERNOON.
SAT NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.
WAVES 2 FT. A CHANCE OF SHOWERS.
SUN
NW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. SHOWERS LIKELY THROUGH
THE DAY, THEN A CHANCE OF SHOWERS IN THE EVENING.
MON
NW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
ANZ541-162000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
228 AM EDT THU APR 16 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH THIS
EVENING...
OVERNIGHT
SW WINDS 10 KT. WAVES 1 FT.
THU
S WINDS 10 KT. GUSTS UP TO 20 KT IN THE LATE MORNING AND
AFTERNOON. WAVES 1 FT.
THU NIGHT...SW WINDS 10 KT WITH GUSTS TO 20 KT
BECOMING W LATE.
WAVES 1 FT.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
N WINDS 5 KT. WAVES FLAT.
SAT...E WINDS 5 KT
BECOMING S 10 TO 15 KT WITH GUSTS TO 20 KT IN
THE AFTERNOON. WAVES 1 FT OR LESS.
SAT NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE EVENING.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
SUN
NW WINDS 15 TO 20 KT. WAVES 2 FT. SHOWERS LIKELY THROUGH THE
DAY, THEN A CHANCE OF SHOWERS IN THE EVENING.
MON...NW WINDS 15 TO 20 KT
BECOMING N 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
ANZ542-162000-
PATUXENT RIVER TO BROOMES ISLAND MD-
228 AM EDT THU APR 16 2026
OVERNIGHT
SW WINDS 10 KT. WAVES 1 FT.
THU
SW WINDS 10 KT. WAVES 1 FT.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT. SCATTERED SHOWERS.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
SE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 FT.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
SUN...NW WINDS 15 TO 20 KT
DIMINISHING TO 10 KT AFTER MIDNIGHT.
WAVES 1 FT. SHOWERS LIKELY THROUGH THE DAY, THEN A CHANCE OF SHOWERS
IN THE EVENING.
MON
NW WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ534-162000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
228 AM EDT THU APR 16 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH LATE
TONIGHT...
OVERNIGHT
SW WINDS 10 KT. WAVES 2 FT.
THU
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 2 FT.
THU NIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING W
LATE. WAVES 2 FT. SCATTERED SHOWERS.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
SW WINDS 5 KT. WAVES FLAT.
SAT...E WINDS 5 KT
BECOMING SE 10 TO 15 KT WITH GUSTS TO 20 KT IN
THE AFTERNOON. WAVES FLAT...BUILDING TO 2 FT IN THE AFTERNOON.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
SUN
NW WINDS 15 TO 20 KT. WAVES 3 FT. SHOWERS LIKELY.
MON
NW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
ANZ543-162000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
228 AM EDT THU APR 16 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM NOON EDT TODAY THROUGH LATE
TONIGHT...
OVERNIGHT
SW WINDS 10 KT. WAVES 1 FT.
THU
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 1 FT.
THU NIGHT...SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING W
5 TO 10 KT LATE. WAVES 1 FT. SCATTERED SHOWERS.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
W WINDS 5 KT. WAVES FLAT.
SAT...E WINDS 5 KT
BECOMING SE 10 TO 15 KT WITH GUSTS TO 20 KT IN
THE AFTERNOON. WAVES 1 FT OR LESS.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
SUN
NW WINDS 15 TO 20 KT. WAVES 2 FT. SHOWERS LIKELY.
MON
NW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
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