275
FZUS51 KLWX 140627
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
227 AM EDT WED OCT 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.
ANZ500-142000-
227 AM EDT WED OCT 14 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A DRY COLD FRONT WILL PUSH SOUTH THIS AFTERNOON INTO TONIGHT, THEN
STALL NEAR OR JUST SOUTH OF THE REGION ON THURSDAY. A SHORT LIVED
SMALL CRAFT ADVISORY MAY BE NEEDED TONIGHT INTO THURSDAY MORNING. A
STRONGER COLD FRONT MOVES ACROSS THE AREA FRIDAY, WITH GALE
CONDITIONS POSSIBLE FRIDAY NIGHT INTO SATURDAY.
ANZ535-142000-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
227 AM EDT WED OCT 14 2026
OVERNIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT.
WED NIGHT...NW WINDS 5 KT
BECOMING NE LATE. WAVES 1 FT.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI...S WINDS 5 TO 10 KT WITH GUSTS TO 20 KT
BECOMING SW 15 TO
20 KT WITH GUSTS TO 35 KT IN THE AFTERNOON. WAVES 1 TO 2 FT. SHOWERS
LIKELY.
FRI NIGHT...NW WINDS 15 TO 20 KT. GUSTS UP TO 35 KT
DIMINISHING
TO 25 KT AFTER MIDNIGHT. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
SAT...NW WINDS 10 TO 15 KT
DIMINISHING TO AROUND 5 KT AFTER
MIDNIGHT. WAVES 1 FT.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT.
ANZ536-142000-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
227 AM EDT WED OCT 14 2026
OVERNIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT...W WINDS AROUND 5 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI...SW WINDS 15 TO 20 KT. GUSTS UP TO 20 KT
INCREASING TO
30 KT IN THE AFTERNOON. WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF SHOWERS.
SAT...NW WINDS 15 TO 20 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 2 TO 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
SUN
SW WINDS AROUND 5 KT. WAVES 1 FT.
ANZ537-142000-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
227 AM EDT WED OCT 14 2026
OVERNIGHT
SW WINDS 10 KT. WAVES 1 FT.
WED
SW WINDS AROUND 5 KT. WAVES 1 FT.
WED NIGHT...SW WINDS AROUND 5 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT OR LESS.
THU
NE WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 25 TO 30 KT. WAVES 4 FT. SHOWERS LIKELY.
SAT...NW WINDS 20 TO 25 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 3 FT...SUBSIDING TO 2 FT AFTER MIDNIGHT.
SUN...N WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
ANZ530-142000-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
227 AM EDT WED OCT 14 2026
OVERNIGHT
SW WINDS 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT...NW WINDS 5 TO 10 KT
BECOMING NE 10 TO 15 KT LATE.
WAVES 1 FT. A CHANCE OF SHOWERS.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU NIGHT
SE WINDS 10 TO 15 KT. WAVES 1 FT. SHOWERS LIKELY.
FRI...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING SW 20 TO
25 KT WITH GUSTS TO 30 KT IN THE AFTERNOON. WAVES 2 FT. SHOWERS.
FRI NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
SAT...NW WINDS 20 TO 25 KT
DIMINISHING TO 5 KT. WAVES 1 TO 2 FT.
SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ531-142000-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
227 AM EDT WED OCT 14 2026
OVERNIGHT
SW WINDS 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT...NW WINDS 5 TO 10 KT
BECOMING N 10 TO 15 KT LATE.
WAVES 1 TO 2 FT. A CHANCE OF SHOWERS.
THU
NE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY.
THU NIGHT
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF
SHOWERS.
FRI...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING SW 20 TO
25 KT WITH GUSTS TO 30 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
SHOWERS.
FRI NIGHT
NW WINDS 25 TO 30 KT. WAVES 4 FT. A CHANCE OF SHOWERS.
SAT...NW WINDS 20 TO 25 KT
DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
SUN...W WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT.
ANZ538-142000-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
227 AM EDT WED OCT 14 2026
OVERNIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT OR LESS.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI...S WINDS 10 KT
BECOMING SW 15 TO 20 KT WITH GUSTS TO 25 KT
IN THE AFTERNOON. WAVES 1 TO 2 FT. SHOWERS LIKELY.
FRI NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
SAT...NW WINDS 15 TO 20 KT
DIMINISHING TO 5 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT...SUBSIDING TO FLAT AFTER MIDNIGHT.
SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ539-142000-
CHESTER RIVER TO QUEENSTOWN MD-
227 AM EDT WED OCT 14 2026
OVERNIGHT
SW WINDS 10 KT. WAVES 1 FT.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT...NW WINDS 5 KT
BECOMING N AFTER MIDNIGHT. WAVES 1 FT.
A CHANCE OF SHOWERS.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
SHOWERS LIKELY.
FRI NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 4 FT. A
CHANCE OF SHOWERS.
SAT...NW WINDS 20 TO 25 KT...BECOMING N 10 TO 15 KT. WAVES 3 FT
SUBSIDING TO 1 TO 2 FT.
SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ532-142000-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
227 AM EDT WED OCT 14 2026
OVERNIGHT
SW WINDS 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT...SW WINDS 5 KT
BECOMING N 10 TO 15 KT WITH GUSTS TO
20 KT IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 2 FT. A CHANCE
OF SHOWERS.
THU
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO 2 FT.
SHOWERS.
THU NIGHT
SE WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF
SHOWERS.
FRI
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
SHOWERS LIKELY.
FRI NIGHT
NW WINDS 25 TO 30 KT. WAVES 4 FT. A CHANCE OF SHOWERS.
SAT...NW WINDS 25 TO 30 KT
DIMINISHING TO 15 TO 20 KT. WAVES
3 FT...SUBSIDING TO 2 FT AFTER MIDNIGHT.
SUN...W WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT.
ANZ540-142000-
EASTERN BAY-
227 AM EDT WED OCT 14 2026
OVERNIGHT
SW WINDS 10 KT. WAVES 1 FT.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT...W WINDS 5 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 FT. A CHANCE OF SHOWERS.
THU
NE WINDS 10 TO 15 KT. WAVES 1 FT. SHOWERS LIKELY.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS
LIKELY.
FRI NIGHT
NW WINDS 20 TO 25 KT WITH GUSTS TO 30 KT. WAVES 3 FT. A
CHANCE OF SHOWERS.
SAT...NW WINDS 20 TO 25 KT
BECOMING N 5 TO 10 KT AFTER MIDNIGHT.
WAVES 2 TO 3 FT...SUBSIDING TO 1 FT AFTER MIDNIGHT.
SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ533-142000-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
227 AM EDT WED OCT 14 2026
OVERNIGHT
SW WINDS 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT...SW WINDS 5 KT
BECOMING N 10 TO 15 KT WITH GUSTS TO
20 KT IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 2 FT.
THU
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY.
THU NIGHT
SE WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
SHOWERS LIKELY.
FRI NIGHT
NW WINDS 25 TO 30 KT. WAVES 4 FT. A CHANCE OF SHOWERS.
SAT...NW WINDS 25 TO 30 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 4 FT...SUBSIDING TO 2 FT AFTER MIDNIGHT.
SUN...NW WINDS 5 TO 10 KT
BECOMING S. WAVES 1 FT.
ANZ541-142000-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
227 AM EDT WED OCT 14 2026
OVERNIGHT
SW WINDS 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT...SW WINDS 5 KT
BECOMING N 10 TO 15 KT WITH GUSTS TO
20 KT IN THE LATE EVENING AND OVERNIGHT. WAVES 1 FT.
THU
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING. WAVES
1 TO 2 FT. SHOWERS LIKELY.
THU NIGHT
SE WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS
LIKELY.
FRI NIGHT
NW WINDS 25 TO 30 KT. WAVES 4 FT. A CHANCE OF SHOWERS.
SAT...NW WINDS 25 TO 30 KT...BECOMING N 15 TO 20 KT. WAVES 3 FT
SUBSIDING TO 2 FT AFTER MIDNIGHT.
SUN...NW WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT.
ANZ542-142000-
PATUXENT RIVER TO BROOMES ISLAND MD-
227 AM EDT WED OCT 14 2026
OVERNIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT...W WINDS AROUND 5 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU NIGHT
SE WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF
SHOWERS.
FRI
SW WINDS 10 TO 15 KT. GUSTS UP TO 25 KT IN THE AFTERNOON.
WAVES 1 FT. A CHANCE OF SHOWERS.
FRI NIGHT
NW WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
SAT...NW WINDS 15 TO 20 KT
BECOMING N 5 TO 10 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
SUN
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
ANZ534-142000-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
227 AM EDT WED OCT 14 2026
OVERNIGHT
SW WINDS 10 KT. WAVES 2 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT...SW WINDS 5 KT
BECOMING N 10 TO 15 KT AFTER MIDNIGHT.
WAVES 1 TO 2 FT.
THU
NE WINDS 10 TO 15 KT. WAVES 2 FT. A CHANCE OF SHOWERS.
THU NIGHT
SE WINDS 10 KT. WAVES 1 FT.
FRI
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT. A
CHANCE OF SHOWERS.
FRI NIGHT...W WINDS 25 TO 30 KT
BECOMING NW AFTER MIDNIGHT. WAVES
5 FT. SHOWERS LIKELY.
SAT...N WINDS 25 TO 30 KT
DIMINISHING TO 15 TO 20 KT AFTER
MIDNIGHT. WAVES 5 FT...SUBSIDING TO 3 FT.
SUN...N WINDS 5 TO 10 KT
BECOMING S. WAVES 1 TO 2 FT.
ANZ543-142000-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
227 AM EDT WED OCT 14 2026
OVERNIGHT
SW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT...SW WINDS 5 TO 10 KT
BECOMING N AFTER MIDNIGHT. WAVES
1 FT.
THU
NE WINDS 10 TO 15 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU NIGHT
SE WINDS 5 TO 10 KT. WAVES 1 FT.
FRI
SW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
FRI NIGHT...W WINDS 25 TO 30 KT
BECOMING NW AFTER MIDNIGHT. WAVES
3 FT. SHOWERS LIKELY.
SAT...N WINDS 25 TO 30 KT
DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. WAVES 2 TO 3 FT.
SUN...N WINDS 5 TO 10 KT
BECOMING SW. WAVES 1 FT.
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