635
FZUS51 KLWX 301908
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
308 PM EDT MON MAR 30 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.
ANZ500-310800-
308 PM EDT MON MAR 30 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL REMAIN ANCHORED OFFSHORE THROUGH TUESDAY WHILE A
FRONTAL SYSTEM STALLS OVER THE GREAT LAKES AND INTERIOR NORTHEAST.
THE FRONT WILL DROP SOUTHWARD WEDNESDAY, THEN STALL NEARBY OR
OVERHEAD THURSDAY INTO FRIDAY. A STRONGER FRONT WILL PUSH ACROSS THE
AREA LATER IN THE WEEKEND. SMALL CRAFT ADVISORIES MAY BE NEEDED
OVER MUCH OF THE WATERS THROUGH AT LEAST FRIDAY NIGHT.
ANZ535-310800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
308 PM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. ISOLATED SHOWERS.
TONIGHT
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
LIKELY.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ536-310800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
308 PM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT. ISOLATED SHOWERS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 FT.
WED...SW WINDS 15 TO 20 KT
DIMINISHING TO 10 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ537-310800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
308 PM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. ISOLATED SHOWERS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
S WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ530-310800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
308 PM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
LIKELY.
WED NIGHT...SW WINDS 5 TO 10 KT
BECOMING E AFTER MIDNIGHT. WAVES
1 FT. SHOWERS LIKELY.
THU
SE WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ531-310800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
308 PM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. ISOLATED SHOWERS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY.
WED NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS IN
THE MORNING.
FRI
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ538-310800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
308 PM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. ISOLATED SHOWERS.
TONIGHT
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
WED NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY.
THU
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ539-310800-
CHESTER RIVER TO QUEENSTOWN MD-
308 PM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. ISOLATED SHOWERS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU
SE WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING.
FRI
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ532-310800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
308 PM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. ISOLATED SHOWERS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. WAVES 3 FT.
WED
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. SHOWERS LIKELY.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY.
THU
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
S WINDS 10 TO 15 KT. WAVES 2 FT.
ANZ540-310800-
EASTERN BAY-
308 PM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. ISOLATED SHOWERS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS LIKELY.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU
SE WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING.
FRI
S WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ533-310800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
308 PM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. ISOLATED SHOWERS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
WED
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY.
THU
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
S WINDS 10 TO 15 KT. WAVES 2 FT.
ANZ541-310800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
308 PM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. ISOLATED SHOWERS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
TUE NIGHT
SW WINDS 15 TO 20 KT. WAVES 2 FT.
WED
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU
SE WINDS 10 TO 15 KT. WAVES 1 FT.
FRI
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
ANZ542-310800-
PATUXENT RIVER TO BROOMES ISLAND MD-
308 PM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT. ISOLATED SHOWERS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
WED
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ534-310800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
308 PM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. ISOLATED SHOWERS.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
TUE
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT.
TUE NIGHT
S WINDS 15 TO 20 KT. WAVES 3 FT.
WED
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 10 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
S WINDS 10 TO 15 KT. WAVES 2 FT.
ANZ543-310800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
308 PM EDT MON MAR 30 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. ISOLATED SHOWERS.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TUE
SW WINDS 15 TO 20 KT. WAVES 2 FT.
TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED
SW WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF
SHOWERS.
THU
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
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