430
FZUS51 KLWX 062335
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
735 PM EDT TUE MAY 6 2025
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.
ANZ500-070800-
735 PM EDT TUE MAY 6 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A COLD FRONT WILL SLOWLY PROGRESS EASTWARD ACROSS THE REGION THROUGH
TUESDAY, THEN PULL OFFSHORE TUESDAY NIGHT. HIGH PRESSURE WILL FOLLOW
BRIEFLY FOR WEDNESDAY. A POTENT COLD FRONT IS EXPECTED TO MOVE
SOUTHEAST FROM THE EASTERN GREAT LAKES TO AND ACROSS THE
MID-ATLANTIC LATE IN THE WEEK. SMALL CRAFT ADVISORIES MAY BE NEEDED
IN NORTHERLY FLOW THURSDAY NIGHT INTO FRIDAY.
ANZ535-070800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
735 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
NW WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
THU NIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
NW WINDS AROUND 5 KT. WAVES 1 FT.
SUN
E WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-070800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
735 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
N WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
E WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI
N WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
NW WINDS AROUND 5 KT. WAVES 1 FT.
SUN
E WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-070800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
735 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
FRI
N WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...N WINDS 5 KT
BECOMING E. WAVES 1 FT.
ANZ530-070800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
735 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. ISOLATED SHOWERS.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI
N WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
W WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
W WINDS AROUND 5 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-070800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
735 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT. ISOLATED SHOWERS.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 FT.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
E WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-070800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
735 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. ISOLATED
SHOWERS.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED NIGHT
W WINDS AROUND 5 KT. WAVES FLAT.
THU
NE WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
FRI
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
E WINDS 5 KT. WAVES FLAT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-070800-
CHESTER RIVER TO QUEENSTOWN MD-
735 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI
N WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-070800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
735 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT...W WINDS 5 TO 10 KT. WAVES 1 TO 2 FT
SUBSIDING TO FLAT
LATE.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
NE WINDS 5 KT. WAVES FLAT. SHOWERS LIKELY.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI
N WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 FT.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-070800-
EASTERN BAY-
735 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
NW WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
FRI
N WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-070800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
735 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A CHANCE
OF SHOWERS.
FRI NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-070800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
735 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
NW WINDS AROUND 5 KT. WAVES FLAT. SHOWERS LIKELY.
THU NIGHT...SE WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
FRI
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 FT.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-070800-
PATUXENT RIVER TO BROOMES ISLAND MD-
735 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
NE WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI
N WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
W WINDS 5 TO 10 KT. WAVES 1 FT.
SUN
E WINDS 5 KT. WAVES LESS THAN 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-070800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
735 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
THU
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
THU NIGHT...SE WINDS 5 TO 10 KT
BECOMING NE AFTER MIDNIGHT. WAVES
1 TO 2 FT. SHOWERS.
FRI
N WINDS 15 TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 10 TO 15 KT. WAVES 2 FT.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
SUN...NE WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
ANZ543-070800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
735 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
THU
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS.
THU NIGHT...SE WINDS 5 TO 10 KT
BECOMING NE AFTER MIDNIGHT. WAVES
1 FT. SHOWERS LIKELY.
FRI
N WINDS 15 TO 20 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 10 TO 15 KT. WAVES 1 FT.
SAT
W WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...N WINDS 5 TO 10 KT
BECOMING S IN THE AFTERNOON AND EVENING,
THEN BECOMING E AFTER MIDNIGHT. WAVES 1 FT.
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