395
FZUS51 KLWX 091500
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1059 AM EDT MON MAR 9 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.
ANZ500-092000-
1059 AM EDT MON MAR 9 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A COLD FRONT WILL PUSH SOUTH OF THE REGION TRHOUGH THIS EVENING
BEFORE STALLING NEARBY. THE FRONT WILL DISSIPATE NEARBY MONDAY, THEN
A STRONG COLD FRONT WILL LIKELY IMPACT THE REGION LATE WEDNESDAY
INTO THURSDAY. AN ADDITIONAL FRONT WILL CROSS THE WATERS THIS
WEEKEND. SMALL CRAFT ADVISORIES MAY BE NEEDED AT TIMES FOR PORTIONS
OF THE WATERS, ESPECIALLY MID TO LATE WEEK.
ANZ535-092000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1100 AM EDT MON MAR 9 2026
REST OF TODAY
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TONIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 1 FT. A CHANCE OF RAIN.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
RAIN LIKELY.
THU...NW WINDS 15 TO 20 KT
DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. RAIN LIKELY THROUGH THE DAY. A CHANCE OF
SNOW IN THE AFTERNOON, THEN A CHANCE OF RAIN IN THE EVENING.
FRI...SE WINDS 5 TO 10 KT
BECOMING SW 15 TO 20 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING W 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
ANZ536-092000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1100 AM EDT MON MAR 9 2026
REST OF TODAY
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TONIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE
SW WINDS AROUND 5 KT. WAVES 1 FT.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE
OF RAIN.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
RAIN LIKELY.
THU...NW WINDS 25 TO 30 KT
BECOMING N AROUND 5 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. RAIN LIKELY THROUGH THE
DAY. A CHANCE OF RAIN IN THE EVENING.
FRI...SE WINDS 10 TO 15 KT
BECOMING SW 20 TO 25 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING W 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
ANZ537-092000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1100 AM EDT MON MAR 9 2026
REST OF TODAY
SE WINDS AROUND 5 KT. WAVES FLAT.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO
3 FT. A CHANCE OF RAIN.
THU...NW WINDS 20 TO 25 KT
DIMINISHING TO 15 TO 20 KT IN THE
EVENING, THEN BECOMING N 5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. RAIN THROUGH THE DAY. A
CHANCE OF RAIN IN THE EVENING.
FRI...SE WINDS 10 TO 15 KT
BECOMING W 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
ANZ530-092000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1100 AM EDT MON MAR 9 2026
REST OF TODAY
SW WINDS AROUND 5 KT. WAVES FLAT.
TONIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
TUE
SW WINDS AROUND 5 KT. WAVES FLAT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES 1 FT. A CHANCE OF RAIN.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 FT.
RAIN LIKELY.
THU...NW WINDS 20 TO 25 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. RAIN LIKELY THROUGH THE DAY. A CHANCE OF
SNOW THROUGH THE NIGHT. A CHANCE OF RAIN IN THE EVENING.
FRI...S WINDS 10 TO 15 KT
INCREASING TO 20 TO 25 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING W 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
ANZ531-092000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1100 AM EDT MON MAR 9 2026
REST OF TODAY
S WINDS AROUND 5 KT. WAVES FLAT.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF RAIN.
WED NIGHT
SW WINDS 20 TO 25 KT. GUSTS UP TO 30 KT AFTER MIDNIGHT.
WAVES 3 FT. RAIN LIKELY.
THU...NW WINDS 25 TO 30 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. RAIN LIKELY
THROUGH THE DAY. A CHANCE OF SNOW THROUGH THE NIGHT. A CHANCE OF
RAIN IN THE EVENING.
FRI...S WINDS 10 TO 15 KT
INCREASING TO 20 TO 25 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING W 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 FT...BUILDING TO 3 FT IN THE AFTERNOON AND EVENING, THEN
SUBSIDING TO 2 FT AFTER MIDNIGHT.
ANZ538-092000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1100 AM EDT MON MAR 9 2026
REST OF TODAY
S WINDS AROUND 5 KT. WAVES FLAT.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
TUE
S WINDS AROUND 5 KT. WAVES FLAT.
TUE NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
WED
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF RAIN.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
RAIN LIKELY.
THU...NW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. RAIN LIKELY THROUGH THE DAY. A CHANCE OF
SNOW THROUGH THE NIGHT. A CHANCE OF RAIN IN THE EVENING.
FRI...S WINDS 5 TO 10 KT
INCREASING TO 15 TO 20 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING W 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
ANZ539-092000-
CHESTER RIVER TO QUEENSTOWN MD-
1100 AM EDT MON MAR 9 2026
REST OF TODAY
SW WINDS AROUND 5 KT. WAVES FLAT.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF RAIN.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO
3 FT. RAIN LIKELY.
THU...NW WINDS 20 TO 25 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. RAIN LIKELY
THROUGH THE DAY. A CHANCE OF SNOW THROUGH THE NIGHT. A CHANCE OF
RAIN IN THE EVENING.
FRI...S WINDS 10 TO 15 KT
INCREASING TO 20 TO 25 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING W 15 KT AFTER MIDNIGHT. WAVES
1 FT...BUILDING TO 2 TO 3 FT.
ANZ532-092000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1100 AM EDT MON MAR 9 2026
REST OF TODAY
E WINDS AROUND 5 KT. WAVES FLAT.
TONIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF RAIN.
WED NIGHT...S WINDS 15 TO 20 KT
BECOMING SW 25 TO 30 KT AFTER
MIDNIGHT. WAVES 3 FT. RAIN LIKELY.
THU...NW WINDS 20 TO 25 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. RAIN LIKELY
THROUGH THE DAY. A CHANCE OF RAIN IN THE EVENING.
FRI...S WINDS 10 TO 15 KT
INCREASING TO 20 TO 25 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING W 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 FT...BUILDING TO 3 FT.
ANZ540-092000-
EASTERN BAY-
1100 AM EDT MON MAR 9 2026
REST OF TODAY
SW WINDS AROUND 5 KT. WAVES FLAT.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE
OF RAIN.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 TO
3 FT. RAIN LIKELY.
THU...NW WINDS 20 TO 25 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 2 TO 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. RAIN
LIKELY THROUGH THE DAY. A CHANCE OF SNOW IN THE AFTERNOON, THEN A
CHANCE OF RAIN IN THE EVENING.
FRI...S WINDS 10 TO 15 KT
INCREASING TO 20 TO 25 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING W 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT...BUILDING TO 2 TO 3 FT.
ANZ533-092000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1100 AM EDT MON MAR 9 2026
REST OF TODAY
SE WINDS 5 KT. WAVES FLAT.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF RAIN.
WED NIGHT...S WINDS 15 TO 20 KT
BECOMING SW 25 TO 30 KT AFTER
MIDNIGHT. WAVES 3 FT. A CHANCE OF RAIN.
THU...NW WINDS 25 TO 30 KT
DIMINISHING TO 5 TO 10 KT. WAVES
3 FT...SUBSIDING TO 2 FT AFTER MIDNIGHT. RAIN LIKELY THROUGH THE
DAY. A CHANCE OF RAIN IN THE EVENING.
FRI...SE WINDS 10 TO 15 KT
BECOMING S 20 TO 25 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING W 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 FT...BUILDING TO 3 FT.
ANZ541-092000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1100 AM EDT MON MAR 9 2026
REST OF TODAY
W WINDS 5 KT. WAVES FLAT.
TONIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF RAIN.
WED NIGHT
S WINDS 25 TO 30 KT. WAVES 2 TO 3 FT. A CHANCE OF RAIN.
THU...NW WINDS 25 TO 30 KT
DIMINISHING TO 5 TO 10 KT. WAVES
3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. RAIN LIKELY THROUGH THE
DAY, THEN A CHANCE OF RAIN IN THE EVENING.
FRI...SE WINDS 10 TO 15 KT
BECOMING S 25 TO 30 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING W 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 FT...BUILDING TO 2 TO 3 FT.
ANZ542-092000-
PATUXENT RIVER TO BROOMES ISLAND MD-
1100 AM EDT MON MAR 9 2026
REST OF TODAY
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
TONIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE
S WINDS AROUND 5 KT. WAVES 1 FT.
TUE NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF RAIN.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 FT. A
CHANCE OF RAIN.
THU...NW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 1 TO 2 FT. RAIN THROUGH THE DAY. A CHANCE OF RAIN IN
THE EVENING.
FRI...SE WINDS 5 TO 10 KT
BECOMING S 15 TO 20 KT IN THE AFTERNOON
AND EVENING, THEN BECOMING W 10 TO 15 KT AFTER MIDNIGHT. WAVES 1 FT.
ANZ534-092000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1100 AM EDT MON MAR 9 2026
REST OF TODAY
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
TONIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT
S WINDS 20 TO 25 KT. WAVES 3 FT. A CHANCE OF RAIN.
THU...W WINDS 20 TO 25 KT
BECOMING NW IN THE AFTERNOON AND
EVENING, THEN BECOMING N 10 TO 15 KT AFTER MIDNIGHT. WAVES 4 FT...
SUBSIDING TO 2 FT AFTER MIDNIGHT. RAIN THROUGH THE DAY. A CHANCE OF
RAIN IN THE EVENING.
FRI...SE WINDS 10 TO 15 KT
BECOMING S 20 TO 25 KT IN THE
AFTERNOON AND EVENING, THEN BECOMING W 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 FT...BUILDING TO 3 FT.
ANZ543-092000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1100 AM EDT MON MAR 9 2026
REST OF TODAY
S WINDS 5 KT. WAVES FLAT.
TONIGHT
S WINDS 5 KT. WAVES FLAT.
TUE
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
TUE NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
WED NIGHT
S WINDS 20 TO 25 KT. WAVES 2 FT. A CHANCE OF RAIN.
THU...W WINDS 20 TO 25 KT
BECOMING NW IN THE AFTERNOON AND
EVENING, THEN BECOMING N 10 TO 15 KT AFTER MIDNIGHT. WAVES 2 TO
3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT. RAIN.
FRI...SE WINDS 10 TO 15 KT
BECOMING W 15 TO 20 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
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