957
FZUS51 KLWX 310406
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1206 AM EDT TUE MAR 31 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.
ANZ500-312000-
1206 AM EDT TUE MAR 31 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL REMAIN ANCHORED OFFSHORE THROUGH TONIGHT WHILE A
FRONTAL SYSTEM STALLED OVER THE GREAT LAKES AND INTERIOR NORTHEAST
STARTS A SLOW SOUTHEASTWARD DRIFT. THE FRONT WILL DROP SOUTHWARD
INTO THE AREA 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, AND MAY BE NEEDED AGAIN
SATURDAY NIGHT THROUGH SUNDAY.
ANZ535-312000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1206 AM EDT TUE MAR 31 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM EDT THIS MORNING
THROUGH THIS AFTERNOON...
OVERNIGHT
SW WINDS 10 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.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
ANZ536-312000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1206 AM EDT TUE MAR 31 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT
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 15 TO 20 KT. WAVES 1 TO 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.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
ANZ537-312000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1206 AM EDT TUE MAR 31 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT
SW WINDS 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 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
S WINDS 10 TO 15 KT. WAVES 2 FT.
FRI
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS IN
THE AFTERNOON.
ANZ530-312000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1206 AM EDT TUE MAR 31 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
ISOLATED SHOWERS.
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
E WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
S WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
ANZ531-312000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1206 AM EDT TUE MAR 31 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
ISOLATED SHOWERS.
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 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
FRI
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
ANZ538-312000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1206 AM EDT TUE MAR 31 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT
SW WINDS 10 KT. WAVES 1 FT. ISOLATED SHOWERS.
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
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
ANZ539-312000-
CHESTER RIVER TO QUEENSTOWN MD-
1206 AM EDT TUE MAR 31 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
ISOLATED SHOWERS.
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 KT. WAVES 1 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. WAVES 1 FT.
FRI
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
ANZ532-312000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1206 AM EDT TUE MAR 31 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT
SW WINDS 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 TO 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 FT. SHOWERS LIKELY.
THU
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. WAVES 2 FT.
FRI
S WINDS 10 TO 15 KT. WAVES 2 FT.
SAT...S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT
BUILDING TO 3 FT AFTER
MIDNIGHT. A CHANCE OF SHOWERS.
ANZ540-312000-
EASTERN BAY-
1206 AM EDT TUE MAR 31 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT
SW WINDS 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 KT. WAVES 1 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. WAVES 1 FT.
FRI
S WINDS 10 TO 15 KT. WAVES 1 FT.
SAT
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
ANZ533-312000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1206 AM EDT TUE MAR 31 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT
SW WINDS 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 FT. SHOWERS LIKELY.
THU
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
THU NIGHT
SE WINDS 10 TO 15 KT. WAVES 2 FT.
FRI
S WINDS 10 TO 15 KT. WAVES 2 FT.
SAT...S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT
BUILDING TO 3 FT AFTER
MIDNIGHT. A CHANCE OF SHOWERS.
ANZ541-312000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1206 AM EDT TUE MAR 31 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT
SW WINDS 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.
THU NIGHT
SE WINDS 10 TO 15 KT. WAVES 1 FT.
FRI
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
ANZ542-312000-
PATUXENT RIVER TO BROOMES ISLAND MD-
1206 AM EDT TUE MAR 31 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT
SW WINDS 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.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
S WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
ANZ534-312000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1206 AM EDT TUE MAR 31 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT
SW WINDS 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.
THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI
S WINDS 10 TO 15 KT. WAVES 2 FT.
SAT
S WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
ANZ543-312000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1206 AM EDT TUE MAR 31 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON
OVERNIGHT
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 FT. A CHANCE OF SHOWERS.
THU
S WINDS 10 TO 15 KT. WAVES 1 FT.
THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI
S WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
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