950
FZUS51 KLWX 062035
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
434 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-
434 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-
435 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
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.
THU NIGHT
N WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
SAT
NW 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-
435 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. WAVES 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.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
SAT
NW 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-
435 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. WAVES 1 FT.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
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 1 TO 2 FT. A CHANCE OF SHOWERS
THROUGH THE DAY.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ530-070800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
435 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
2 FT. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. WAVES 1 FT.
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 WITH
A CHANCE OF TSTMS.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
FRI
NW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
SAT
W WINDS 5 TO 10 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-
435 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
2 FT. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
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 WITH
A CHANCE OF TSTMS.
THU NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
FRI
NW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-070800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
435 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. A CHANCE OF SHOWERS WITH A SLIGHT CHANCE OF TSTMS.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
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
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE DAY.
SAT
NW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-070800-
CHESTER RIVER TO QUEENSTOWN MD-
435 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
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.
FRI
NW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-070800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
435 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. WAVES 1 FT.
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.
FRI
NW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-070800-
EASTERN BAY-
435 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
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 FLAT.
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.
FRI
NW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-070800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
435 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT
W WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. 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 TO 2 FT. SHOWERS LIKELY.
FRI
NW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS
THROUGH THE DAY.
SAT
NW WINDS 5 TO 10 KT. 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-
435 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. WAVES 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
SW WINDS AROUND 5 KT. WAVES FLAT.
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.
FRI
NW WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-070800-
PATUXENT RIVER TO BROOMES ISLAND MD-
435 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. 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.
FRI...N WINDS 10 TO 15 KT
BECOMING NW 5 KT AFTER MIDNIGHT. WAVES
1 FT. A CHANCE OF SHOWERS THROUGH THE DAY.
SAT
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-070800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
435 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
2 FT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. WAVES 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
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
BECOMING NW 10 KT AFTER MIDNIGHT. WAVES
2 FT. A CHANCE OF SHOWERS THROUGH THE DAY.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 TO 2 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-070800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
435 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. A SLIGHT CHANCE OF SHOWERS AND TSTMS.
TONIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. 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 FLAT. 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
BECOMING NW 10 KT AFTER MIDNIGHT. WAVES
1 FT. SHOWERS LIKELY, MAINLY IN THE MORNING.
SAT
W WINDS 5 TO 10 KT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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