904
FZUS51 KLWX 142057
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
457 PM EDT TUE JUL 14 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.
ANZ500-150800-
457 PM EDT TUE JUL 14 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
HIGH PRESSURE WILL SHIFT TO THE SOUTH THE SECOND HALF OF THE WEEK. A
WEAK COLD FRONT WILL DROP SOUTHWARD THURSDAY INTO FRIDAY, THEN A
STRONGER COLD FRONT WILL APPROACH FROM THE NORTH SATURDAY.
ANZ535-150800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
457 PM EDT TUE JUL 14 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU...N WINDS 5 KT
BECOMING SW IN THE AFTERNOON. WAVES 1 FT.
THU NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-150800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
457 PM EDT TUE JUL 14 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU
W WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
NW WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
E WINDS AROUND 5 KT. WAVES 1 FT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY THROUGH THE
NIGHT. A CHANCE OF TSTMS. A CHANCE OF SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-150800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
457 PM EDT TUE JUL 14 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 10 TO 15 KT. WAVES 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
THU...N WINDS 5 TO 10 KT
BECOMING S IN THE AFTERNOON. WAVES 1 FT.
THU NIGHT...S WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES
1 FT.
FRI...NE WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
SAT
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.
ANZ530-150800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
457 PM EDT TUE JUL 14 2026
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
1 FT.
TONIGHT...SW WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. WAVES
1 FT.
WED
W WINDS 10 KT. WAVES 1 FT.
WED NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
THU...NW WINDS 5 KT
BECOMING SW IN THE AFTERNOON. WAVES 1 FT.
THU NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
NE WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS AFTER MIDNIGHT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-150800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
457 PM EDT TUE JUL 14 2026
REST OF THIS AFTERNOON
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES
2 FT.
TONIGHT...S WINDS 10 TO 15 KT
BECOMING SW AFTER MIDNIGHT. WAVES
1 TO 2 FT.
WED
W WINDS 10 KT. WAVES 1 FT.
WED NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
THU...N WINDS 5 TO 10 KT
BECOMING SW IN THE AFTERNOON. WAVES
1 FT.
THU NIGHT...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT.
FRI
NE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS AND
TSTMS AFTER MIDNIGHT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-150800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
457 PM EDT TUE JUL 14 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 10 KT. WAVES 1 FT.
WED
W WINDS 10 KT. WAVES 1 FT.
WED NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
THU
SE WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
NW WINDS 5 KT. WAVES FLAT.
FRI
E WINDS AROUND 5 KT. WAVES FLAT. A CHANCE OF SHOWERS AND
TSTMS AFTER MIDNIGHT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-150800-
CHESTER RIVER TO QUEENSTOWN MD-
457 PM EDT TUE JUL 14 2026
REST OF THIS AFTERNOON
S WINDS 15 KT. WAVES 2 FT.
TONIGHT...S WINDS 15 KT
BECOMING SW AFTER MIDNIGHT. WAVES 1 TO
2 FT.
WED
W WINDS 10 KT. WAVES 1 FT.
WED NIGHT
W WINDS 10 KT. WAVES 1 FT.
THU...N WINDS 5 TO 10 KT
BECOMING SW IN THE AFTERNOON. WAVES
1 FT.
THU NIGHT...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT OR LESS. A
CHANCE OF SHOWERS AND TSTMS AFTER MIDNIGHT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-150800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
457 PM EDT TUE JUL 14 2026
REST OF THIS AFTERNOON
S WINDS 15 KT. WAVES 2 FT.
TONIGHT...S WINDS 10 TO 15 KT
BECOMING SW AFTER MIDNIGHT. WAVES
2 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
W WINDS 10 KT. WAVES 1 FT.
THU...NE WINDS 5 KT
BECOMING S IN THE AFTERNOON. WAVES 1 FT.
THU NIGHT...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-150800-
EASTERN BAY-
457 PM EDT TUE JUL 14 2026
REST OF THIS AFTERNOON
S WINDS 15 KT. WAVES 1 FT.
TONIGHT
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED
W WINDS 10 KT. WAVES 1 FT.
WED NIGHT
W WINDS 10 KT. WAVES 1 FT.
THU...NE WINDS 5 TO 10 KT
BECOMING SW IN THE AFTERNOON. WAVES
1 FT.
THU NIGHT...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT OR LESS.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-150800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
457 PM EDT TUE JUL 14 2026
REST OF THIS AFTERNOON
S WINDS 15 KT. WAVES 2 FT.
TONIGHT
SW WINDS 10 TO 15 KT. WAVES 2 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
W WINDS 10 KT. WAVES 1 FT.
THU...N WINDS 5 TO 10 KT
BECOMING S IN THE AFTERNOON. WAVES 1 FT.
THU NIGHT...SW WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES
1 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS AND
TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-150800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
457 PM EDT TUE JUL 14 2026
REST OF THIS AFTERNOON
S WINDS 15 KT. WAVES 1 FT.
TONIGHT
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT.
WED
W WINDS 10 TO 15 KT. WAVES 1 FT.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU...N WINDS 5 TO 10 KT
BECOMING SW IN THE AFTERNOON. WAVES
1 FT.
THU NIGHT...SW WINDS 10 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
FRI...N WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
SAT
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.
ANZ542-150800-
PATUXENT RIVER TO BROOMES ISLAND MD-
457 PM EDT TUE JUL 14 2026
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT.
TONIGHT
SW WINDS 10 KT. WAVES 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 1 FT.
THU
E WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT...S WINDS 5 TO 10 KT
BECOMING NW AFTER MIDNIGHT. WAVES
1 FT.
FRI...NE WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
SAT
S WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS. A CHANCE
OF TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-150800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
457 PM EDT TUE JUL 14 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
WEDNESDAY MORNING...
REST OF THIS AFTERNOON
S WINDS 15 KT. WAVES 1 FT.
TONIGHT...SW WINDS 10 TO 15 KT
BECOMING 15 KT LATE. GUSTS UP TO
20 KT. WAVES 2 FT.
WED
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING. WAVES
1 TO 2 FT.
WED NIGHT
SW WINDS 10 TO 15 KT. WAVES 2 FT.
THU...N WINDS 5 TO 10 KT
BECOMING S IN THE AFTERNOON. WAVES 1 FT.
THU NIGHT...S WINDS 5 TO 10 KT
BECOMING W AFTER MIDNIGHT. WAVES
1 FT.
FRI...NE WINDS 5 TO 10 KT
BECOMING SE. WAVES 1 FT.
SAT...S WINDS 10 TO 15 KT
BECOMING SW AFTER MIDNIGHT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS AND TSTMS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-150800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
457 PM EDT TUE JUL 14 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 8 PM EDT THIS EVENING THROUGH
WEDNESDAY MORNING...
REST OF THIS AFTERNOON
S WINDS 10 KT. WAVES 1 FT.
TONIGHT...S WINDS 10 TO 15 KT
BECOMING SW LATE. GUSTS UP TO
20 KT. WAVES 2 FT.
WED
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING. WAVES
1 TO 2 FT.
WED NIGHT...SW WINDS 10 TO 15 KT
BECOMING W AFTER MIDNIGHT. WAVES
1 FT.
THU...NE WINDS 5 TO 10 KT
BECOMING S IN THE AFTERNOON. WAVES
1 FT.
THU NIGHT...S WINDS 5 TO 10 KT
BECOMING W AFTER MIDNIGHT. WAVES
1 FT.
FRI...NE WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT OR LESS.
SAT...S WINDS 10 TO 15 KT
BECOMING SW AFTER MIDNIGHT. WAVES 1 TO
2 FT. A CHANCE OF SHOWERS IN THE AFTERNOON. A CHANCE OF TSTMS.
SHOWERS LIKELY THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
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