235
FZUS51 KLWX 171351
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
950 AM EDT FRI APR 17 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.
ANZ500-172000-
950 AM EDT FRI APR 17 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
IT WILL REMAIN VERY WARM AND DRY THROUGH SATURDAY AS AN AREA OF HIGH
PRESSURE REMAINS OFF THE SOUTHEASTERN U.S. COAST. A COLD FRONT LATE
SATURDAY NIGHT WILL BRING THE NEXT CHANCE FOR WIDESPREAD SHOWERS.
SMALL CRAFT ADVISORIES MAY BE NEEDED AT TIMES FROM SATURDAY
AFTERNOON THROUGH TUESDAY MORNING.
ANZ535-172000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
950 AM EDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF TODAY
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. WAVES 1 FT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SHOWERS.
SUN NIGHT
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
ANZ536-172000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
950 AM EDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF TODAY
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
ISOLATED SHOWERS LATE THIS MORNING.
TONIGHT
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON. WAVES
1 TO 2 FT.
SAT NIGHT
SE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
SUN NIGHT
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 TO 2 FT.
MON
NW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE...W WINDS AROUND 5 KT
BECOMING S. WAVES 1 FT.
ANZ537-172000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
950 AM EDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF TODAY
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. ISOLATED SHOWERS LATE THIS MORNING.
TONIGHT
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. WAVES 1 FT.
SAT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SAT NIGHT...SE WINDS 10 TO 15 KT
BECOMING S 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
SHOWERS.
SUN NIGHT
NW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON...NW WINDS 10 TO 15 KT
BECOMING N. WAVES 1 TO 2 FT.
TUE...N WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ530-172000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
950 AM EDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF TODAY
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT...N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
BECOMING E
LATE. WAVES 1 FT.
SAT
SE WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT. A CHANCE OF SHOWERS. PATCHY FOG.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
MON...NW WINDS 10 TO 15 KT
BECOMING N 5 KT AFTER MIDNIGHT. WAVES
1 FT.
TUE...SW WINDS 5 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
ANZ531-172000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
950 AM EDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF TODAY
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TONIGHT
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. WAVES 1 TO 2 FT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF
SHOWERS.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SHOWERS.
SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO
3 FT.
MON...NW WINDS 10 TO 15 KT
BECOMING N 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
TUE...NE WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT. WAVES 1 TO
2 FT.
ANZ538-172000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
950 AM EDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF TODAY
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. WAVES 1 FT OR LESS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
SUN NIGHT
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 TO 2 FT.
MON...NW WINDS 10 TO 15 KT
BECOMING N AROUND 5 KT AFTER MIDNIGHT.
WAVES 1 FT OR LESS.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
ANZ539-172000-
CHESTER RIVER TO QUEENSTOWN MD-
950 AM EDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF TODAY
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TONIGHT
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. WAVES 1 TO 2 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SHOWERS.
SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO
3 FT.
MON...NW WINDS 10 TO 15 KT
BECOMING N 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
TUE...W WINDS 5 KT
BECOMING S. WAVES 1 FT.
ANZ532-172000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
950 AM EDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF TODAY
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TONIGHT
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. WAVES 1 FT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SAT NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
SHOWERS.
SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON...NW WINDS 10 TO 15 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 TO
2 FT.
TUE...NE WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT IN THE AFTERNOON
AND EVENING, THEN BECOMING SW AFTER MIDNIGHT. WAVES 1 TO 2 FT.
ANZ540-172000-
EASTERN BAY-
950 AM EDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF TODAY
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. WAVES 1 FT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
SHOWERS.
SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
TUE...N WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ533-172000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
950 AM EDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF TODAY
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
TONIGHT
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. WAVES 1 FT.
SAT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS. PATCHY DENSE FOG.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
SHOWERS. PATCHY DENSE FOG.
SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO
3 FT.
MON...NW WINDS 10 TO 15 KT
BECOMING N AFTER MIDNIGHT. WAVES 2 FT.
TUE...N WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT IN THE AFTERNOON
AND EVENING, THEN BECOMING SW AFTER MIDNIGHT. WAVES 1 TO 2 FT.
ANZ541-172000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
950 AM EDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF TODAY
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. WAVES 1 FT.
SAT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT NIGHT
SE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
SHOWERS.
SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON...NW WINDS 10 TO 15 KT
BECOMING N 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
TUE...N WINDS 5 TO 10 KT
BECOMING S 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ542-172000-
PATUXENT RIVER TO BROOMES ISLAND MD-
950 AM EDT FRI APR 17 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF TODAY
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TONIGHT
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON. WAVES
1 FT.
SAT NIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS TO 30 KT. WAVES 1 TO 2 FT.
SHOWERS.
SUN NIGHT
NW WINDS 10 KT. WAVES 1 FT.
MON...NW WINDS 10 TO 15 KT
BECOMING N 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 FT.
TUE...E WINDS 5 KT
BECOMING S. WAVES 1 FT.
ANZ534-172000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
950 AM EDT FRI APR 17 2026
REST OF TODAY
NW WINDS 5 TO 10 KT. WAVES 1 FT. ISOLATED SHOWERS
LATE THIS MORNING.
TONIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...E WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 1 FT
BUILDING
TO 3 FT IN THE AFTERNOON.
SAT NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT. A
CHANCE OF SHOWERS. PATCHY DENSE FOG.
SUN
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT.
SHOWERS.
SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT.
MON...NW WINDS 15 KT
BECOMING N. WAVES 2 TO 3 FT.
TUE...N WINDS 10 TO 15 KT
BECOMING S 5 TO 10 KT IN THE AFTERNOON,
THEN INCREASING TO 15 TO 20 KT. WAVES 1 TO 2 FT...BUILDING TO 3 FT
AFTER MIDNIGHT.
ANZ543-172000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
950 AM EDT FRI APR 17 2026
REST OF TODAY
W WINDS 5 TO 10 KT. WAVES 1 FT. ISOLATED SHOWERS
LATE THIS MORNING.
TONIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SAT NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
PATCHY DENSE FOG.
SUN...W WINDS 20 TO 25 KT
BECOMING NW IN THE AFTERNOON. GUSTS UP
TO 30 KT. WAVES 2 TO 3 FT. SHOWERS.
SUN NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
MON...NW WINDS 10 TO 15 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 TO
2 FT.
TUE...N WINDS 10 TO 15 KT
BECOMING S 15 TO 20 KT. WAVES 1 TO
2 FT.
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