507
FZUS51 KLWX 061739
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
ISSUED BY NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
139 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.
ANZ500-070815-
139 PM EDT TUE MAY 6 2025
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
AN UPPER LEVEL LOW WILL SLOWLY MOVE NORTHEASTWARD AND CROSS THE
NORTHEAST AND MID-ATLANTIC REGIONS BY TONIGHT, THEN IT WILL
LIFT OUT DURING WEDNESDAY. A COLD FRONT WILL CROSS OUR AREA
WEDNESDAY NIGHT AND THURSDAY MORNING. ANOTHER UPPER LEVEL LOW
DEVELOPS ACROSS THE NORTHEAST AND MID-ATLANTIC REGIONS THURSDAY
NIGHT AND FRIDAY WITH WEAK LOW PRESSURE NEARBY, THEN IT SHIFTS
NORTHEAST ON SATURDAY. A COLD FRONT MAY THEN MOVE THROUGH DURING
SUNDAY WITH HIGH PRESSURE ARRIVING FOR MONDAY.
ANZ535-070815-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
139 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
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 OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-070815-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
139 PM EDT TUE MAY 6 2025
THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS AND TSTMS.
TONIGHT
SW WINDS 5 TO 10 KT. 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.
ANZ537-070815-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
139 PM EDT TUE MAY 6 2025
THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS.
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 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 FT. A CHANCE OF SHOWERS THROUGH
THE DAY.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
ANZ530-070815-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
139 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS AND TSTMS.
TONIGHT
W WINDS 5 TO 10 KT. 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. 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 OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-070815-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
139 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS AND 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 FLAT. 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.
ANZ538-070815-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
139 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A
CHANCE OF SHOWERS AND 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 FLAT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-070815-
CHESTER RIVER TO QUEENSTOWN MD-
139 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
S 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 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 FLAT. 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.
ANZ532-070815-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
139 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
S 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. 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 OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-070815-
EASTERN BAY-
139 PM EDT TUE MAY 6 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
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 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. 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.
ANZ533-070815-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
139 PM EDT TUE MAY 6 2025
THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS.
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 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 TO 2 FT. A CHANCE OF SHOWERS
THROUGH THE DAY.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
ANZ541-070815-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
139 PM EDT TUE MAY 6 2025
THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS.
TONIGHT
SW 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.
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.
ANZ542-070815-
PATUXENT RIVER TO BROOMES ISLAND MD-
139 PM EDT TUE MAY 6 2025
THIS AFTERNOON
SW WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS.
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.
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.
ANZ534-070815-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
139 PM EDT TUE MAY 6 2025
THIS AFTERNOON
S WINDS 10 KT. WAVES 2 FT. A SLIGHT CHANCE OF
SHOWERS.
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 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
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.
ANZ543-070815-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
139 PM EDT TUE MAY 6 2025
THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT. A SLIGHT CHANCE OF
SHOWERS.
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 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.
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