924
FZUS51 KLWX 272059
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
459 PM EDT FRI MAR 27 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.
ANZ500-280800-
459 PM EDT FRI MAR 27 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A COLD FRONT WILL SLIDE SOUTH OF THE AREA THROUGH TONIGHT. HIGH
PRESSURE BUILDS OVER THE REGION THROUGH THE WEEKEND, THEN MOVES
OFFSHORE EARLY NEXT WEEK. A FRONTAL SYSTEM STALLS TO THE NORTHWEST
OF THE AREA, BRING REPETITIVE CHANCES FOR RAIN NEXT WEEK. SMALL
CRAFT ADVISORIES MAY BE NEEDED SUNDAY AFTERNOON THROUGH MONDAY
MORNING, AND AGAIN TUESDAY INTO TUESDAY NIGHT.
ANZ535-280800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
459 PM EDT FRI MAR 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SATURDAY THROUGH
SATURDAY AFTERNOON...
REST OF THIS AFTERNOON
N WINDS 10 KT. WAVES 1 FT. SHOWERS.
TONIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
WAVES 1 FT. A CHANCE OF SHOWERS AND FLURRIES.
SAT
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SAT NIGHT...NW WINDS 5 TO 10 KT
BECOMING SW AFTER MIDNIGHT. WAVES
1 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ536-280800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
459 PM EDT FRI MAR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SATURDAY THROUGH
SATURDAY AFTERNOON...
REST OF THIS AFTERNOON
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. SHOWERS.
TONIGHT...N WINDS 5 TO 10 KT
INCREASING TO 15 TO 20 KT WITH GUSTS
TO 25 KT LATE. WAVES 1 TO 2 FT. SHOWERS LIKELY.
SAT...N WINDS 15 TO 20 KT
BECOMING NW 10 KT LATE. GUSTS UP TO
25 KT. WAVES 2 FT.
SAT NIGHT...N WINDS 5 TO 10 KT
BECOMING SW AFTER MIDNIGHT. WAVES
1 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT. WAVES 1 FT.
TUE
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
ANZ537-280800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
459 PM EDT FRI MAR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SATURDAY THROUGH
SATURDAY AFTERNOON...
REST OF THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. SHOWERS.
TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
SAT...N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT
BECOMING NW 10 TO
15 KT WITH GUSTS TO 25 KT IN THE AFTERNOON. WAVES 3 FT.
SAT NIGHT...N WINDS 5 TO 10 KT
BECOMING SW AFTER MIDNIGHT. WAVES
2 FT...SUBSIDING TO FLAT AFTER MIDNIGHT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
TUE
SW WINDS 15 TO 20 KT. WAVES 2 FT.
ANZ530-280800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
459 PM EDT FRI MAR 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SATURDAY THROUGH
SATURDAY AFTERNOON...
REST OF THIS AFTERNOON
N WINDS 10 KT. WAVES 1 FT. A CHANCE OF
SHOWERS.
TONIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 25 KT AFTER MIDNIGHT.
WAVES 1 FT.
SAT
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
ANZ531-280800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
459 PM EDT FRI MAR 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SATURDAY THROUGH
SATURDAY AFTERNOON...
REST OF THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. A CHANCE OF SHOWERS.
TONIGHT...N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
INCREASING TO
15 TO 20 KT WITH GUSTS TO 25 KT LATE. WAVES 2 TO 3 FT.
SAT
NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SAT NIGHT...NW WINDS 5 TO 10 KT. WAVES 2 FT
SUBSIDING TO FLAT
AFTER MIDNIGHT.
SUN
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 1 FT...BUILDING TO 3 FT IN THE AFTERNOON.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
TUE
S WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
ANZ538-280800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
459 PM EDT FRI MAR 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SATURDAY THROUGH
SATURDAY AFTERNOON...
REST OF THIS AFTERNOON
N WINDS 10 KT. WAVES 1 FT. SHOWERS LIKELY.
TONIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER MIDNIGHT.
WAVES 1 FT.
SAT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SAT NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON
SW WINDS 5 TO 10 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ539-280800-
CHESTER RIVER TO QUEENSTOWN MD-
459 PM EDT FRI MAR 27 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SATURDAY THROUGH
SATURDAY AFTERNOON...
REST OF THIS AFTERNOON
N WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
2 FT. SHOWERS LIKELY.
TONIGHT...N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
INCREASING TO
15 TO 20 KT WITH GUSTS TO 25 KT LATE. WAVES 1 TO 2 FT.
SAT...N WINDS 15 TO 20 KT
BECOMING NW 10 KT LATE. GUSTS UP TO
25 KT. WAVES 2 TO 3 FT.
SAT NIGHT...NW WINDS 5 TO 10 KT. WAVES 2 FT
SUBSIDING TO FLAT
AFTER MIDNIGHT.
SUN
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
MON
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
TUE
S WINDS 15 TO 20 KT. WAVES 2 FT.
ANZ532-280800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
459 PM EDT FRI MAR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SATURDAY THROUGH
SATURDAY AFTERNOON...
REST OF THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. SHOWERS.
TONIGHT...N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
INCREASING TO
15 TO 20 KT WITH GUSTS TO 25 KT LATE. WAVES 2 TO 3 FT. A CHANCE OF
SHOWERS.
SAT...N WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING TO
20 KT LATE. WAVES 3 FT.
SAT NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
SUN NIGHT
S WINDS 15 TO 20 KT. WAVES 3 FT.
MON...SW WINDS 15 TO 20 KT
DIMINISHING TO 10 TO 15 KT. WAVES 2 TO
3 FT...SUBSIDING TO 1 TO 2 FT.
TUE
S WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.
ANZ540-280800-
EASTERN BAY-
459 PM EDT FRI MAR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SATURDAY THROUGH
SATURDAY AFTERNOON...
REST OF THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT. SHOWERS.
TONIGHT...N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
INCREASING TO
15 TO 20 KT WITH GUSTS TO 25 KT LATE. WAVES 1 TO 2 FT. A CHANCE OF
SHOWERS.
SAT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SAT NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 15 TO 20 KT. WAVES 2 FT.
MON
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
TUE
S WINDS 15 TO 20 KT. WAVES 2 FT.
ANZ533-280800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
459 PM EDT FRI MAR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SATURDAY THROUGH
SATURDAY AFTERNOON...
REST OF THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
3 FT. SHOWERS.
TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
SHOWERS LIKELY.
SAT...N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT
DIMINISHING TO
10 TO 15 KT WITH GUSTS TO 20 KT LATE. WAVES 3 FT.
SAT NIGHT...W WINDS 5 TO 10 KT. WAVES 2 FT
SUBSIDING TO FLAT
AFTER MIDNIGHT.
SUN
S WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
SUN NIGHT
S WINDS 15 TO 20 KT. WAVES 3 FT.
MON...SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT
SUBSIDING TO 1 TO
2 FT.
TUE
SW WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.
ANZ541-280800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
459 PM EDT FRI MAR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SATURDAY THROUGH
SATURDAY AFTERNOON...
REST OF THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. SHOWERS.
TONIGHT...N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
INCREASING TO
20 TO 25 KT LATE. WAVES 1 TO 2 FT. SHOWERS LIKELY.
SAT...N WINDS 20 TO 25 KT WITH GUSTS TO 30 KT
BECOMING NW 10 TO
15 KT WITH GUSTS TO 25 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
SAT NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 15 TO 20 KT. WAVES 2 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
TUE
S WINDS 20 TO 25 KT. WAVES 2 TO 3 FT.
ANZ542-280800-
PATUXENT RIVER TO BROOMES ISLAND MD-
459 PM EDT FRI MAR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SATURDAY THROUGH
SATURDAY AFTERNOON...
REST OF THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT. SHOWERS.
TONIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING...THEN 25 KT LATE. WAVES 1 FT. SHOWERS.
SAT...N WINDS 15 TO 20 KT WITH GUSTS TO 30 KT
BECOMING NW 5 TO
10 KT WITH GUSTS TO 20 KT LATE. WAVES 1 FT.
SAT NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
MON
SW WINDS 10 TO 15 KT. WAVES 1 FT.
TUE
SW WINDS 10 TO 15 KT. WAVES 1 FT.
ANZ534-280800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
459 PM EDT FRI MAR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SATURDAY THROUGH
SATURDAY AFTERNOON...
REST OF THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
3 FT. SHOWERS.
TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 3 FT.
SHOWERS.
SAT...N WINDS 20 TO 25 KT
DIMINISHING TO 10 TO 15 KT LATE. GUSTS
UP TO 30 KT. WAVES 4 FT.
SAT NIGHT...N WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES
1 TO 2 FT.
SUN...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT
BUILDING TO 3 FT IN THE AFTERNOON.
SUN NIGHT
S WINDS 15 TO 20 KT. WAVES 3 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 2 TO 3 FT.
TUE
S WINDS 20 TO 25 KT. WAVES 3 FT.
ANZ543-280800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
459 PM EDT FRI MAR 27 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
...SMALL CRAFT ADVISORY IN EFFECT FROM 2 AM EDT SATURDAY THROUGH
SATURDAY AFTERNOON...
REST OF THIS AFTERNOON
N WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT. SHOWERS.
TONIGHT
N WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
SHOWERS.
SAT...N WINDS 20 TO 25 KT
DIMINISHING TO 10 TO 15 KT LATE. GUSTS
UP TO 30 KT. WAVES 3 FT.
SAT NIGHT...N WINDS 5 TO 10 KT
BECOMING SE AFTER MIDNIGHT. WAVES
1 FT OR LESS.
SUN
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SUN NIGHT
S WINDS 15 TO 20 KT. WAVES 2 FT.
MON
SW WINDS 15 TO 20 KT. WAVES 1 TO 2 FT.
TUE
S WINDS 15 TO 20 KT. WAVES 2 FT.
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