722
FZUS51 KLWX 200257
CWFLWX
COASTAL WATERS FORECAST
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1057 PM EDT TUE MAY 19 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.
ANZ500-200800-
1057 PM EDT TUE MAY 19 2026
.SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY...
WINDS SUBSIDE LATE TONIGHT. ADDITIONAL SMALL CRAFT ADVISORIES MAY BE
NEEDED THROUGH THURSDAY AS A COLD FRONT CROSSES THE WATERS. THE
FRONT WILL BRING SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS
WEDNESDAY AFTERNOON AND EVENING. SPECIAL MARINE WARNINGS MAY BE
NEEDED FOR STRONGER THUNDERSTORMS DURING THIS TIME. NO MARINE
HAZARDS ARE EXPECTED THURSDAY WITH SMALL CRAFT CONDITIONS RETURNING
FRIDAY INTO THE WEEKEND.
ANZ535-200800-
TIDAL POTOMAC FROM KEY BRIDGE TO INDIAN HEAD-
1057 PM EDT TUE MAY 19 2026
REST OF TONIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
THU
NE WINDS 10 KT. WAVES 1 FT. SHOWERS.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS, MAINLY IN THE
MORNING.
SUN
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY THROUGH THE NIGHT. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ536-200800-
TIDAL POTOMAC FROM INDIAN HEAD TO COBB ISLAND-
1057 PM EDT TUE MAY 19 2026
REST OF TONIGHT
SW WINDS 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
THU NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
FRI
E WINDS 10 KT. WAVES 1 FT. SHOWERS LIKELY.
FRI NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SAT
NE WINDS 5 KT. WAVES LESS THAN 1 FT. SHOWERS LIKELY.
SUN
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ537-200800-
TIDAL POTOMAC FROM COBB ISLAND TO SMITH POINT-
1057 PM EDT TUE MAY 19 2026
REST OF TONIGHT
SW WINDS 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS AND
TSTMS.
THU
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. A
CHANCE OF SHOWERS.
THU NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SHOWERS LIKELY.
FRI
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT. SHOWERS
LIKELY.
FRI NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO
3 FT. SHOWERS LIKELY.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY. A CHANCE OF
TSTMS AFTER MIDNIGHT.
SUN
E WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ530-200800-
CHESAPEAKE BAY NORTH OF POOLES ISLAND-
1057 PM EDT TUE MAY 19 2026
REST OF TONIGHT
SW WINDS 5 KT. WAVES LESS THAN 1 FT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
THU
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
SUN
E WINDS AROUND 5 KT. WAVES 1 FT. A CHANCE OF SHOWERS THROUGH
THE DAY. SHOWERS LIKELY THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ531-200800-
CHESAPEAKE BAY FROM POOLES ISLAND TO SANDY POINT-
1057 PM EDT TUE MAY 19 2026
REST OF TONIGHT
SW WINDS 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
WED NIGHT
N WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS LIKELY WITH A CHANCE OF TSTMS.
THU
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY.
THU NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY.
FRI NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. SHOWERS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS THROUGH THE DAY, THEN
SHOWERS LIKELY THROUGH THE NIGHT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ538-200800-
PATAPSCO RIVER INCLUDING BALTIMORE HARBOR-
1057 PM EDT TUE MAY 19 2026
REST OF TONIGHT
SW WINDS 5 KT. WAVES FLAT.
WED
W WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
THU
NE WINDS 10 KT. WAVES 1 FT. SHOWERS LIKELY.
THU NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS.
FRI NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS.
SUN
E WINDS AROUND 5 KT. WAVES 1 FT OR LESS. A CHANCE OF SHOWERS.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ539-200800-
CHESTER RIVER TO QUEENSTOWN MD-
1057 PM EDT TUE MAY 19 2026
REST OF TONIGHT
SW WINDS 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
THU
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY.
THU NIGHT
E WINDS 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
FRI
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
LIKELY.
FRI NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS THROUGH THE DAY, THEN
SHOWERS LIKELY THROUGH THE NIGHT.
SUN
E WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS IN
THE MORNING, THEN SHOWERS LIKELY THROUGH THE NIGHT. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ532-200800-
CHESAPEAKE BAY FROM SANDY POINT TO NORTH BEACH-
1057 PM EDT TUE MAY 19 2026
REST OF TONIGHT
S WINDS 10 KT. WAVES 1 TO 2 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
WED NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
THU
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY.
THU NIGHT
NE WINDS 10 KT. WAVES 1 TO 2 FT. SHOWERS LIKELY.
FRI
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY.
FRI NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. SHOWERS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS THROUGH THE DAY, THEN
SHOWERS LIKELY THROUGH THE NIGHT.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY THROUGH THE NIGHT. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ540-200800-
EASTERN BAY-
1057 PM EDT TUE MAY 19 2026
REST OF TONIGHT
S WINDS 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A CHANCE
OF TSTMS.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
THU
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY.
THU NIGHT
NE WINDS 10 KT. WAVES 1 FT. SHOWERS LIKELY.
FRI
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY.
FRI NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. SHOWERS.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS THROUGH THE DAY, THEN
SHOWERS LIKELY THROUGH THE NIGHT.
SUN
E WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS IN
THE MORNING, THEN SHOWERS LIKELY THROUGH THE NIGHT. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ533-200800-
CHESAPEAKE BAY FROM NORTH BEACH TO DRUM POINT-
1057 PM EDT TUE MAY 19 2026
REST OF TONIGHT
S WINDS 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
THU
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY.
THU NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SHOWERS LIKELY.
FRI
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY.
FRI NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SHOWERS LIKELY.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SUN
E WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS IN THE
MORNING, THEN SHOWERS LIKELY THROUGH THE NIGHT. A CHANCE OF SHOWERS
AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ541-200800-
CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER-
1057 PM EDT TUE MAY 19 2026
REST OF TONIGHT
S WINDS 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED NIGHT
NW WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
THU
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY.
THU NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT.
SHOWERS LIKELY.
FRI
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT. SHOWERS
LIKELY.
FRI NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. SHOWERS LIKELY.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SUN
E WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS IN
THE MORNING, THEN SHOWERS LIKELY THROUGH THE NIGHT. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ542-200800-
PATUXENT RIVER TO BROOMES ISLAND MD-
1057 PM EDT TUE MAY 19 2026
REST OF TONIGHT
S WINDS 10 KT. WAVES 1 FT.
WED
SW WINDS 5 TO 10 KT. WAVES 1 FT. A CHANCE OF SHOWERS.
WED NIGHT
N WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
THU
NE WINDS 10 KT WITH GUSTS TO 20 KT. WAVES 1 FT. A CHANCE OF
SHOWERS.
THU NIGHT
NE WINDS 10 KT. WAVES 1 FT. SHOWERS LIKELY.
FRI
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 FT. SHOWERS
LIKELY.
FRI NIGHT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SAT
NE WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY.
SUN
E WINDS 5 KT. WAVES LESS THAN 1 FT. A CHANCE OF SHOWERS IN
THE MORNING, THEN SHOWERS LIKELY THROUGH THE NIGHT. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ534-200800-
CHESAPEAKE BAY FROM DRUM POINT TO SMITH POINT-
1057 PM EDT TUE MAY 19 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
WEDNESDAY EVENING...
REST OF TONIGHT
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED...SW WINDS 10 TO 15 KT
BECOMING S LATE. GUSTS UP TO 20 KT.
WAVES 2 FT.
WED NIGHT...SE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING N
5 TO 10 KT IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 2 FT. A
CHANCE OF SHOWERS AND TSTMS.
THU
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 3 FT. A
CHANCE OF SHOWERS.
THU NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SHOWERS LIKELY.
FRI
E WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 3 FT. SHOWERS
LIKELY.
FRI NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 TO
3 FT. SHOWERS LIKELY.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY. A CHANCE OF
TSTMS THROUGH THE NIGHT.
SUN...E WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
SHOWERS LIKELY IN THE MORNING, THEN A CHANCE OF SHOWERS IN THE
AFTERNOON. SHOWERS LIKELY THROUGH THE NIGHT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
ANZ543-200800-
TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND-
1057 PM EDT TUE MAY 19 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY
...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH
WEDNESDAY EVENING...
REST OF TONIGHT
S WINDS 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED
S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
WED NIGHT...S WINDS 10 TO 15 KT WITH GUSTS TO 20 KT
BECOMING N
5 TO 10 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 2 FT. A
CHANCE OF SHOWERS.
THU NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 2 FT.
SHOWERS LIKELY.
FRI
E WINDS 15 KT WITH GUSTS TO 25 KT. WAVES 2 FT. SHOWERS
LIKELY.
FRI NIGHT
E WINDS 10 TO 15 KT WITH GUSTS TO 20 KT. WAVES 1 TO
2 FT. SHOWERS LIKELY.
SAT
E WINDS 5 TO 10 KT. WAVES 1 FT. SHOWERS LIKELY. A CHANCE OF
TSTMS THROUGH THE NIGHT.
SUN...E WINDS 5 TO 10 KT
BECOMING S AFTER MIDNIGHT. WAVES 1 FT.
WINDS AND WAVES HIGHER AND VISIBILITIES LOWER IN AND NEAR TSTMS.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page