843
FZUS51 KLWX 012058
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
458 PM EDT WED JUL 1 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.
ANZ500-020800-
458 PM EDT WED JUL 1 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
AN AREA OF HIGH PRESSURE WILL BUILD NEAR AND SOUTH OF THE MID-
ATLANTIC THROUGH THE WEEK. A POP UP SHOWER OR THUNDERSTORM IS
POSSIBLE LATE THIS AFTERNOON ALONG THE BAY BREEZE, THOUGH MOST OF
THE AREA REMAINS DRY UNTIL FRIDAY. THE CHANCE OF STRONG
THUNDERSTORMS INCREASES FRIDAY INTO THE WEEKEND, WITH SEVERE
THUNDERSTORMS POSSIBLE. SOUTHERLY CHANNELING MIGHT REQUIRE
ADDITIONAL SMALL CRAFT ADVISORIES FOR THURSDAY AFTERNOON TO EVENING.
ANZ535-020800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
458 PM EDT WED JUL 1 2026
..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
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT.
THU
W WINDS AROUND 5 KT. WAVES 1 FT.
THU NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
SAT
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS THROUGH THE NIGHT. A CHANCE OF SHOWERS AND TSTMS AFTER
MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-020800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
458 PM EDT WED JUL 1 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT UNTIL EARLY
MORNING. WAVES 1 FT.
THU
SW WINDS AROUND 5 KT. WAVES 1 FT.
THU NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT.
SAT
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-020800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
458 PM EDT WED JUL 1 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SE WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT...S WINDS 10 TO 15 KT
BECOMING SW 5 TO 10 KT LATE. GUSTS
UP TO 20 KT. WAVES 2 FT.
THU...SW WINDS AROUND 5 KT
BECOMING SE LATE. WAVES 1 FT.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS THROUGH THE NIGHT.
SUN...S WINDS AROUND 5 KT
BECOMING SE. WAVES 1 FT OR LESS. A
CHANCE OF SHOWERS AND TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-020800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
458 PM EDT WED JUL 1 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 25 KT. WAVES
2 FT. ISOLATED SHOWERS AND TSTMS.
TONIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING SW
5 KT LATE. WAVES 1 TO 2 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT.
FRI
W WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
NW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-020800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
458 PM EDT WED JUL 1 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT. ISOLATED SHOWERS AND TSTMS.
TONIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 30 KT. WAVES 2 FT.
THU
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT LATE. WAVES 1 FT.
THU NIGHT
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
SUN
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS THROUGH THE NIGHT. A CHANCE OF SHOWERS AND TSTMS
AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-020800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
458 PM EDT WED JUL 1 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
1 FT. ISOLATED SHOWERS AND TSTMS.
TONIGHT...S WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING TO
5 TO 10 KT WITH GUSTS TO 25 KT IN THE LATE EVENING AND OVERNIGHT.
WAVES 1 TO 2 FT.
THU...S WINDS AROUND 5 KT
INCREASING TO 5 TO 10 KT LATE. WAVES
1 FT OR LESS.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI NIGHT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT...W WINDS 5 TO 10 KT
BECOMING LIGHT. WAVES 1 FT OR LESS. A
CHANCE OF SHOWERS AND TSTMS.
SUN
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-020800-
CHESTER RIVER TO QUEENSTOWN MD-
458 PM EDT WED JUL 1 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT UNTIL EARLY
MORNING. WAVES 1 TO 2 FT.
THU
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI NIGHT
W WINDS 5 KT. WAVES LESS THAN 1 FT.
SAT
W WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
SUN
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-020800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
458 PM EDT WED JUL 1 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 20 KT WITH GUSTS TO 30 KT. WAVES
3 FT.
TONIGHT...S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT
BECOMING SW
5 TO 10 KT WITH GUSTS TO 20 KT AFTER MIDNIGHT. WAVES 4 FT...
SUBSIDING TO 2 FT AFTER MIDNIGHT.
THU
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON. WAVES
1 TO 2 FT.
THU NIGHT
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
SUN
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-020800-
EASTERN BAY-
458 PM EDT WED JUL 1 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TONIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 30 KT. WAVES 1 TO 2 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
SUN
SE WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-020800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
458 PM EDT WED JUL 1 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TONIGHT...S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT
BECOMING SW
5 TO 10 KT WITH GUSTS TO 20 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT.
THU
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON. WAVES
1 TO 2 FT.
THU NIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
W WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN...S WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT OR LESS. A
CHANCE OF SHOWERS AND TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-020800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
458 PM EDT WED JUL 1 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TONIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 30 KT. WAVES 1 TO 2 FT.
THU
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-020800-
PATUXENT RIVER TO BROOMES ISLAND MD-
458 PM EDT WED JUL 1 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
1 FT.
TONIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
BECOMING SW
5 KT LATE. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT.
SAT
W WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-020800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
458 PM EDT WED JUL 1 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 20 KT WITH GUSTS TO 25 KT. WAVES
3 FT.
TONIGHT...S WINDS 15 TO 20 KT WITH GUSTS TO 30 KT
BECOMING SW
10 KT LATE. WAVES 3 FT.
THU
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON. WAVES
1 TO 2 FT.
THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-020800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
458 PM EDT WED JUL 1 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 25 KT. WAVES
2 FT.
TONIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 25 KT UNTIL EARLY
MORNING. WAVES 2 FT.
THU
SW WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU NIGHT
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS THROUGH THE NIGHT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
AND TSTMS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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