481
FZUS51 KLWX 222059
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
458 PM EDT WED JUL 22 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.
ANZ500-230800-
458 PM EDT WED JUL 22 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL BUILD IN FROM THE WEST FOR THE END OF THE WEEK.
THE NEXT FRONTAL SYSTEM MAY APPROACH BY EARLY NEXT WEEK.
ANZ535-230800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
458 PM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM EDT THIS EVENING
REST OF THIS AFTERNOON
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. NUMEROUS SHOWERS AND SCATTERED TSTMS.
TONIGHT
N WINDS 5 TO 10 KT. GUSTS UP TO 20 KT EARLY IN THE
EVENING. WAVES 1 FT. SCATTERED SHOWERS AND TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SAT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-230800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
458 PM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM EDT THIS EVENING
REST OF THIS AFTERNOON
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. NUMEROUS SHOWERS AND SCATTERED TSTMS.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING N IN THE LATE EVENING AND
OVERNIGHT. GUSTS UP TO 20 KT. WAVES 1 FT. SCATTERED SHOWERS AND
TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT
SE WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-230800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
458 PM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. NUMEROUS SHOWERS AND SCATTERED TSTMS.
TONIGHT...W WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 1 TO 2 FT. SHOWERS AND SCATTERED
TSTMS.
THU
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
THU NIGHT
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...E WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-230800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
458 PM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
REST OF THIS AFTERNOON
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. SCATTERED SHOWERS WITH ISOLATED TSTMS.
TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
FRI
E WINDS AROUND 5 KT. WAVES FLAT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
SE WINDS AROUND 5 KT. WAVES FLAT.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-230800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
458 PM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
REST OF THIS AFTERNOON
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. SCATTERED SHOWERS WITH ISOLATED TSTMS.
TONIGHT...NW WINDS 10 TO 15 KT
BECOMING N AFTER MIDNIGHT. GUSTS
UP TO 20 KT. WAVES 1 TO 2 FT. SCATTERED SHOWERS AND TSTMS.
THU...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NE 5 KT
LATE. WAVES 1 TO 2 FT.
THU NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT...E WINDS 5 KT
BECOMING S. WAVES 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-230800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
458 PM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM EDT THIS EVENING
REST OF THIS AFTERNOON
NW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. SCATTERED SHOWERS WITH ISOLATED TSTMS.
TONIGHT
N WINDS 5 TO 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SCATTERED SHOWERS.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
SE WINDS AROUND 5 KT. WAVES FLAT.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-230800-
CHESTER RIVER TO QUEENSTOWN MD-
458 PM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
REST OF THIS AFTERNOON
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. SCATTERED SHOWERS AND TSTMS.
TONIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT. WAVES 1 TO 2 FT.
SCATTERED SHOWERS AND TSTMS.
THU...N WINDS 10 TO 15 KT
DIMINISHING TO 5 KT IN THE AFTERNOON.
WAVES 1 TO 2 FT.
THU NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
SE WINDS AROUND 5 KT. WAVES FLAT.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-230800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
458 PM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
REST OF THIS AFTERNOON
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. SCATTERED SHOWERS AND TSTMS.
TONIGHT...NW WINDS 5 TO 10 KT
BECOMING N 15 KT AFTER MIDNIGHT.
GUSTS UP TO 20 KT. WAVES 1 TO 2 FT. SCATTERED SHOWERS AND TSTMS.
THU...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING NE 5 KT
LATE. WAVES 1 TO 2 FT.
THU NIGHT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-230800-
EASTERN BAY-
458 PM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
REST OF THIS AFTERNOON
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. SCATTERED SHOWERS AND TSTMS.
TONIGHT...NW WINDS 10 TO 15 KT
BECOMING N LATE. GUSTS UP TO
20 KT. WAVES 1 TO 2 FT. SCATTERED SHOWERS AND TSTMS.
THU...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 KT LATE. WAVES 1 FT.
THU NIGHT
E WINDS AROUND 5 KT. WAVES FLAT.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS
THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-230800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
458 PM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. NUMEROUS SHOWERS AND SCATTERED TSTMS.
TONIGHT...W WINDS 5 TO 10 KT
BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. WAVES 1 FT...BUILDING TO 3 FT AFTER MIDNIGHT. SCATTERED
SHOWERS AND TSTMS.
THU
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT.
THU NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT.
SUN...SE WINDS 5 TO 10 KT
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT
OR LESS. A CHANCE OF SHOWERS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-230800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
458 PM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. SCATTERED SHOWERS AND TSTMS.
TONIGHT...W WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 1 TO 2 FT. NUMEROUS SHOWERS AND
SCATTERED TSTMS.
THU...N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING TO
5 KT LATE. WAVES 1 TO 2 FT.
THU NIGHT
E WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
SUN
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-230800-
PATUXENT RIVER TO BROOMES ISLAND MD-
458 PM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM EDT THIS EVENING
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
1 FT. NUMEROUS SHOWERS AND SCATTERED TSTMS.
TONIGHT...W WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
BECOMING N WITH
GUSTS TO 20 KT AFTER MIDNIGHT. WAVES 1 FT. SHOWERS AND SCATTERED
TSTMS.
THU
N WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
NE WINDS AROUND 5 KT. WAVES 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS AROUND 5 KT. WAVES 1 FT.
SUN
SE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-230800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
458 PM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
REST OF THIS AFTERNOON
SW WINDS 10 KT WITH GUSTS TO 20 KT. WAVES
2 FT. SHOWERS AND SCATTERED TSTMS.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 2 TO 3 FT. SHOWERS AND SCATTERED
TSTMS.
THU
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO 3 FT. A
CHANCE OF SHOWERS.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT.
SUN...E WINDS 5 KT
BECOMING S. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-230800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
458 PM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY MORNING
REST OF THIS AFTERNOON
SW WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT. SHOWERS AND SCATTERED TSTMS.
TONIGHT...SW WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. WAVES 1 TO 2 FT. SHOWERS AND SCATTERED
TSTMS.
THU
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT UNTIL LATE AFTERNOON.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
THU NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
SUN...SE WINDS 5 KT
BECOMING S. WAVES 1 FT OR LESS. A CHANCE OF
SHOWERS THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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