828
FZUS51 KLWX 170301
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1101 PM EDT MON MAR 16 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.
ANZ500-170800-
1101 PM EDT MON MAR 16 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
A STRONG COLD FRONT CROSSES THE AREA THIS EVENING. A LINE OF STRONG
TO SEVERE THUNDERSTORMS IS EXPECTED TO CROSS THE WATERS THIS
AFTERNOON TO EVENING. DANGEROUS WIND GUSTS IN EXCESS OF 50 KNOTS AND
WATERSPOUTS ARE POSSIBLE. HIGH PRESSURE RETURNS FOR THE MIDDLE TO
LATTER PORTIONS OF THE WEEK. SMALL CRAFT ADVISORIES WILL LIKELY BE
NEEDED THROUGH TUESDAY. GALE CONDITIONS ARE ALSO POSSIBLE THROUGH
LATE TONIGHT.
ANZ535-170800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1101 PM EDT MON MAR 16 2026
..GALE WARNING IN EFFECT UNTIL 1 AM EDT TUESDAY
REST OF TONIGHT...W WINDS 15 TO 20 KT. GUSTS UP TO 40 KT
DIMINISHING TO 20 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY LATE THIS
EVENING, THEN A SLIGHT CHANCE OF SHOWERS. VSBY 1 TO 3 NM LATE THIS
EVENING.
TUE
W WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
NW WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES 1 FT.
WED
NE WINDS AROUND 5 KT. WAVES 1 FT.
WED NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN THROUGH THE
NIGHT.
SAT...W WINDS 10 TO 15 KT
BECOMING SW. WAVES 1 FT.
ANZ536-170800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1101 PM EDT MON MAR 16 2026
..GALE WARNING IN EFFECT UNTIL 1 AM EDT TUESDAY
REST OF TONIGHT...W WINDS 15 TO 20 KT. GUSTS UP TO 40 KT
DIMINISHING TO 30 KT. WAVES 2 FT. SHOWERS LIKELY LATE THIS EVENING
WITH VSBY 1 TO 3 NM.
TUE
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING
TO 5 KT LATE. WAVES 1 FT.
WED
E WINDS AROUND 5 KT. WAVES 1 FT.
WED NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN THROUGH THE
NIGHT.
SAT...W WINDS 10 TO 15 KT
BECOMING SW. WAVES 1 FT.
ANZ537-170800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1101 PM EDT MON MAR 16 2026
..GALE WARNING IN EFFECT UNTIL 1 AM EDT TUESDAY
REST OF TONIGHT...W WINDS 20 TO 25 KT. GUSTS UP TO 40 KT
DIMINISHING TO 25 KT LATE. WAVES 3 FT. SHOWERS LIKELY LATE THIS
EVENING, THEN A CHANCE OF SHOWERS. VSBY 1 TO 3 NM LATE THIS EVENING.
TUE
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
TUE NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED...N WINDS 5 TO 10 KT
BECOMING SE IN THE AFTERNOON. WAVES
1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
SW WINDS 10 TO 15 KT. WAVES 1 FT OR LESS. A CHANCE OF RAIN
THROUGH THE NIGHT.
SAT...W WINDS 10 TO 15 KT
BECOMING S. WAVES 2 FT. A CHANCE OF
RAIN IN THE MORNING.
ANZ530-170800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1101 PM EDT MON MAR 16 2026
..GALE WARNING IN EFFECT UNTIL 1 AM EDT TUESDAY
REST OF TONIGHT...W WINDS 20 TO 25 KT. GUSTS UP TO 40 KT
DIMINISHING TO 30 KT LATE. WAVES 2 TO 3 FT. SHOWERS. VSBY 1 TO 3 NM.
TUE
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
TUE NIGHT...NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT
DIMINISHING
TO 5 KT LATE. WAVES 1 TO 2 FT.
WED
W WINDS AROUND 5 KT. WAVES 1 FT.
WED NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
SW WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN THROUGH THE
NIGHT.
SAT...W WINDS 10 TO 15 KT
BECOMING SW. WAVES 1 TO 2 FT. A CHANCE
OF RAIN.
ANZ531-170800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1101 PM EDT MON MAR 16 2026
..GALE WARNING IN EFFECT UNTIL 1 AM EDT TUESDAY
REST OF TONIGHT...W WINDS 25 KT. GUSTS UP TO 40 KT
DIMINISHING
TO 30 KT LATE. WAVES 3 FT. SHOWERS LATE THIS EVENING, THEN A CHANCE
OF SHOWERS. VSBY 1 TO 3 NM.
TUE...W WINDS 20 TO 25 KT
DIMINISHING TO 15 KT IN THE AFTERNOON.
GUSTS UP TO 30 KT. WAVES 2 TO 3 FT.
TUE NIGHT...NW WINDS 15 TO 20 KT WITH GUSTS TO 25 KT
DIMINISHING
TO 5 TO 10 KT LATE. WAVES 2 FT.
WED...NW WINDS 5 KT
BECOMING S IN THE AFTERNOON. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
S WINDS AROUND 5 KT. WAVES 1 FT OR LESS.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN THROUGH THE
NIGHT.
SAT...W WINDS 10 TO 15 KT
BECOMING S. WAVES 1 TO 2 FT. A CHANCE
OF RAIN.
ANZ538-170800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1101 PM EDT MON MAR 16 2026
..GALE WARNING IN EFFECT UNTIL 1 AM EDT TUESDAY
REST OF TONIGHT...W WINDS 20 TO 25 KT. GUSTS UP TO 40 KT
DIMINISHING TO 30 KT. WAVES 2 TO 3 FT. SHOWERS LATE THIS EVENING,
THEN A CHANCE OF SHOWERS. VSBY 1 TO 3 NM LATE THIS EVENING.
TUE
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 1 TO 2 FT.
TUE NIGHT...NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
DIMINISHING
TO 5 KT LATE. WAVES 1 FT.
WED
SW WINDS AROUND 5 KT. WAVES FLAT.
WED NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
S WINDS AROUND 5 KT. WAVES FLAT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT OR LESS. A CHANCE OF RAIN
THROUGH THE NIGHT.
SAT...W WINDS 10 TO 15 KT
BECOMING S IN THE EVENING, THEN
BECOMING SW AFTER MIDNIGHT. WAVES 1 FT. A CHANCE OF RAIN.
ANZ539-170800-
CHESTER RIVER TO QUEENSTOWN MD-
1101 PM EDT MON MAR 16 2026
..GALE WARNING IN EFFECT UNTIL 1 AM EDT TUESDAY
REST OF TONIGHT...W WINDS 25 KT. GUSTS UP TO 40 KT
DIMINISHING
TO 30 KT LATE. WAVES 4 FT. SHOWERS. VSBY 1 TO 3 NM.
TUE
W WINDS 15 TO 20 KT WITH GUSTS TO 30 KT. WAVES 3 FT.
TUE NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT.
WED
W WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN THROUGH THE
NIGHT.
SAT...W WINDS 10 TO 15 KT
BECOMING S. WAVES 2 FT. A CHANCE OF
RAIN.
ANZ532-170800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1101 PM EDT MON MAR 16 2026
..GALE WARNING IN EFFECT UNTIL 1 AM EDT TUESDAY
REST OF TONIGHT...W WINDS 20 TO 25 KT. GUSTS UP TO 40 KT
DIMINISHING TO 30 KT LATE. WAVES 3 FT. SHOWERS LATE THIS EVENING,
THEN A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
TUE
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
TUE NIGHT...NW WINDS 15 TO 20 KT
DIMINISHING TO 5 TO 10 KT LATE.
WAVES 2 FT.
WED...NW WINDS 5 TO 10 KT
BECOMING SE IN THE AFTERNOON. WAVES
1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. 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 10 TO 15 KT. WAVES 1 FT. A CHANCE OF RAIN THROUGH
THE NIGHT.
SAT...W WINDS 10 TO 15 KT
BECOMING S. WAVES 2 FT. A CHANCE OF
RAIN IN THE MORNING.
ANZ540-170800-
EASTERN BAY-
1101 PM EDT MON MAR 16 2026
..GALE WARNING IN EFFECT UNTIL 1 AM EDT TUESDAY
REST OF TONIGHT...W WINDS 20 TO 25 KT. GUSTS UP TO 40 KT
DIMINISHING TO 30 KT LATE. WAVES 3 FT. SHOWERS. VSBY 1 TO 3 NM.
TUE...W WINDS 15 TO 20 KT. GUSTS UP TO 30 KT
DIMINISHING TO
20 KT IN THE AFTERNOON. WAVES 2 TO 3 FT.
TUE NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT.
WED...NW WINDS 5 TO 10 KT
BECOMING S IN THE AFTERNOON. WAVES 1 FT
OR LESS.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN THROUGH THE
NIGHT.
SAT...W WINDS 10 TO 15 KT
BECOMING S. WAVES 1 TO 2 FT. A CHANCE
OF RAIN IN THE MORNING.
ANZ533-170800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1101 PM EDT MON MAR 16 2026
..GALE WARNING IN EFFECT UNTIL 1 AM EDT TUESDAY
REST OF TONIGHT...W WINDS 20 TO 25 KT. GUSTS UP TO 40 KT
DIMINISHING TO 25 KT LATE. WAVES 3 FT. SHOWERS LATE THIS EVENING,
THEN A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
TUE...W WINDS 15 TO 20 KT
DIMINISHING TO 10 KT LATE. GUSTS UP TO
25 KT. WAVES 2 TO 3 FT.
TUE NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED...N WINDS 5 TO 10 KT
BECOMING SE IN THE AFTERNOON. WAVES
1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. 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 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN
THROUGH THE NIGHT.
SAT...W WINDS 10 TO 15 KT
BECOMING S 15 TO 20 KT. WAVES 2 FT. A
CHANCE OF RAIN IN THE MORNING.
ANZ541-170800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1101 PM EDT MON MAR 16 2026
..GALE WARNING IN EFFECT UNTIL 1 AM EDT TUESDAY
REST OF TONIGHT...W WINDS 20 TO 25 KT. GUSTS UP TO 40 KT
DIMINISHING TO 30 KT LATE. WAVES 3 FT. SHOWERS. VSBY 1 TO 3 NM.
TUE
W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 2 TO 3 FT.
TUE NIGHT...NW WINDS 15 TO 20 KT
DIMINISHING TO 10 KT LATE. WAVES
2 FT.
WED...N WINDS 5 TO 10 KT
BECOMING S IN THE AFTERNOON. WAVES 1 FT.
WED NIGHT
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU
S WINDS 5 TO 10 KT. WAVES 1 FT.
THU NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
SW WINDS 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN
THROUGH THE NIGHT.
SAT...W WINDS 10 TO 15 KT
BECOMING S 15 TO 20 KT. WAVES 2 FT. A
CHANCE OF RAIN IN THE MORNING.
ANZ542-170800-
PATUXENT RIVER TO BROOMES ISLAND MD-
1101 PM EDT MON MAR 16 2026
..GALE WARNING IN EFFECT UNTIL 1 AM EDT TUESDAY
REST OF TONIGHT...W WINDS 15 TO 20 KT. GUSTS UP TO 40 KT
DIMINISHING TO 20 KT LATE. WAVES 1 TO 2 FT. SHOWERS LATE THIS
EVENING, THEN A CHANCE OF SHOWERS. VSBY 1 TO 3 NM LATE THIS EVENING.
TUE
W WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
TUE NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
NE WINDS 5 KT. WAVES LESS THAN 1 FT.
WED NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU
S WINDS 5 KT. WAVES LESS THAN 1 FT.
THU NIGHT
S WINDS 5 KT. WAVES LESS THAN 1 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF RAIN THROUGH THE
NIGHT.
SAT...W WINDS 10 TO 15 KT
BECOMING SW. WAVES 1 FT. A CHANCE OF
RAIN IN THE MORNING.
ANZ534-170800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1101 PM EDT MON MAR 16 2026
..GALE WARNING IN EFFECT UNTIL 1 AM EDT TUESDAY
REST OF TONIGHT...W WINDS 20 TO 25 KT. GUSTS UP TO 40 KT
DIMINISHING TO 30 KT LATE. WAVES 4 FT. SHOWERS LATE THIS EVENING,
THEN A CHANCE OF SHOWERS. VSBY 1 TO 3 NM.
TUE...W WINDS 15 TO 20 KT WITH GUSTS TO 25 KT. WAVES 4 FT
SUBSIDING TO 2 FT IN THE AFTERNOON.
TUE NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED...N WINDS 5 TO 10 KT
BECOMING SE IN THE AFTERNOON. WAVES 1 TO
2 FT.
WED NIGHT
S WINDS 5 TO 10 KT. 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 10 TO 15 KT. WAVES 1 TO 2 FT. A CHANCE OF RAIN
THROUGH THE NIGHT.
SAT...W WINDS 15 KT
BECOMING S. WAVES 2 TO 3 FT. A CHANCE OF RAIN
IN THE MORNING.
ANZ543-170800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1101 PM EDT MON MAR 16 2026
..GALE WARNING IN EFFECT UNTIL 1 AM EDT TUESDAY
REST OF TONIGHT...W WINDS 20 TO 25 KT. GUSTS UP TO 40 KT
DIMINISHING TO 30 KT LATE. WAVES 3 FT. SHOWERS. VSBY 1 TO 3 NM.
TUE...W WINDS 15 TO 20 KT
DIMINISHING TO 10 KT LATE. GUSTS UP TO
25 KT. WAVES 2 FT.
TUE NIGHT
NW WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED...N WINDS 5 TO 10 KT
BECOMING SE IN THE AFTERNOON. WAVES 1 FT
OR LESS.
WED NIGHT
S WINDS 5 TO 10 KT. 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 10 TO 15 KT. WAVES 1 FT. A CHANCE OF RAIN THROUGH
THE NIGHT.
SAT...W WINDS 10 TO 15 KT
BECOMING S 15 TO 20 KT. WAVES 1 TO
2 FT. A CHANCE OF RAIN IN THE MORNING.
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