415
FZUS51 KBOX 181203
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
703 AM EST TUE NOV 18 2025
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-190100-
703 AM EST TUE NOV 18 2025
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
GUSTY WINDS LINGER TODAY, THEN HIGH PRESSURE MOVES INTO THE WATERS
WEDNESDAY AND THURSDAY BRINGING LIGHT WINDS. LOW PRES WILL TRACK
WELL SOUTH OF THE WATERS WEDNESDAY AND WEDNESDAY NIGHT. A COLD FRONT
APPROACHES FROM THE GREAT LAKES FRIDAY AND MOVES SOUTH OF THE WATERS
FRIDAY NIGHT INTO SATURDAY. RAIN SHOWERS POSSIBLE.
ANZ250-190100-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
703 AM EST TUE NOV 18 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING
TODAY
W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT THIS
AFTERNOON. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: W 6 FT
AT 5 SECONDS AND E 1 FOOT AT 12 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND SE 1 FOOT AT
11 SECONDS.
WED
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT
AT 4 SECONDS AND E 1 FOOT AT 11 SECONDS.
WED NIGHT
NW WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: NW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 11 SECONDS.
THU
NE WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: NW
1 FOOT AT 2 SECONDS AND E 1 FOOT AT 10 SECONDS.
THU NIGHT
E WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT.
SEAS 1 FOOT OR LESS. WAVE DETAIL: NW 1 FOOT AT 2 SECONDS AND E
1 FOOT AT 10 SECONDS.
FRI AND FRI NIGHT
S WINDS 10 TO 15 KT, BECOMING W 15 TO 20 KT.
GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. A CHANCE OF RAIN.
SAT AND SAT NIGHT
NW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-190100-
MASSACHUSETTS BAY AND IPSWICH BAY-
703 AM EST TUE NOV 18 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
TODAY
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND NE 1 FOOT AT
11 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND E 1 FOOT
AT 11 SECONDS.
WED
W WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: NW
1 FOOT AT 3 SECONDS AND NE 1 FOOT AT 10 SECONDS.
WED NIGHT
NW WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: NW 1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 8 SECONDS.
THU
N WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: NW
1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 9 SECONDS.
THU NIGHT
SE WINDS AROUND 5 KT, BECOMING SW AROUND 5 KT AFTER
MIDNIGHT. SEAS 1 FOOT OR LESS. WAVE DETAIL: NW 1 FOOT AT
2 SECONDS AND NE 1 FOOT AT 6 SECONDS.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT, BECOMING W. GUSTS UP
TO 20 KT. SEAS AROUND 2 FT. A CHANCE OF RAIN.
SAT AND SAT NIGHT
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.
SEAS AROUND 2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-190100-
CAPE COD BAY-
703 AM EST TUE NOV 18 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
TODAY
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: NW 4 FT AT 5 SECONDS AND NE 1 FOOT AT
11 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: NW 2 FT AT 4 SECONDS AND E 1 FOOT AT 11 SECONDS.
WED
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE MORNING, THEN
1 FOOT OR LESS. WAVE DETAIL: NW 1 FOOT AT 4 SECONDS AND NE 1 FOOT
AT 10 SECONDS.
WED NIGHT
N WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: NW 1 FOOT AT 4 SECONDS AND NE 1 FOOT AT 9 SECONDS.
THU
NE WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: N
1 FOOT AT 3 SECONDS AND NE 1 FOOT AT 7 SECONDS.
THU NIGHT
NE WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT.
SEAS 1 FOOT OR LESS. WAVE DETAIL: NE 1 FOOT AT 5 SECONDS.
FRI THROUGH SAT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. A CHANCE OF RAIN.
SAT NIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-190100-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
703 AM EST TUE NOV 18 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING
TODAY
W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT THIS
AFTERNOON. SEAS 4 TO 6 FT. WAVE DETAIL: W 6 FT AT 6 SECONDS AND
SE 1 FOOT AT 11 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT AT 6 SECONDS AND SE 1 FOOT AT
11 SECONDS.
WED
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT AT
5 SECONDS AND SE 1 FOOT AT 10 SECONDS.
WED NIGHT
N WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NW 2 FT AT 5 SECONDS AND E 1 FOOT AT 11 SECONDS.
THU
NE WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
1 FOOT AT 5 SECONDS AND E 1 FOOT AT 10 SECONDS.
THU NIGHT
NE WINDS AROUND 5 KT, BECOMING N AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 6 SECONDS.
FRI
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF RAIN.
FRI NIGHT AND SAT
W WINDS 15 TO 20 KT, BECOMING NW 10 TO
15 KT. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. A CHANCE OF RAIN.
SAT NIGHT
NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-190100-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
703 AM EST TUE NOV 18 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING
TODAY
W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT THIS
AFTERNOON. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: W 6 FT
AT 7 SECONDS AND E 1 FOOT AT 14 SECONDS.
TONIGHT
NW WINDS 15 TO 20 KT, BECOMING W AROUND 10 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT AT 6 SECONDS AND E
1 FOOT AT 12 SECONDS.
WED
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT
AT 6 SECONDS AND SE 1 FOOT AT 12 SECONDS.
WED NIGHT
NE WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 5 SECONDS AND E 1 FOOT AT 12 SECONDS.
THU
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
1 FOOT AT 6 SECONDS AND NE 1 FOOT AT 6 SECONDS.
THU NIGHT
NE WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 6 SECONDS AND SW 1 FOOT AT
6 SECONDS.
FRI
SW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. A CHANCE OF RAIN.
FRI NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. A CHANCE OF RAIN.
SAT
NW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. A CHANCE OF RAIN.
SAT NIGHT
NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-190100-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
703 AM EST TUE NOV 18 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING
TODAY
W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT THIS
AFTERNOON. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NW
6 FT AT 6 SECONDS AND S 1 FOOT AT 11 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: NW
3 FT AT 5 SECONDS AND S 1 FOOT AT 11 SECONDS.
WED
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NW
2 FT AT 5 SECONDS AND SE 1 FOOT AT 11 SECONDS.
WED NIGHT
NE WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
W 2 FT AT 5 SECONDS AND E 1 FOOT AT 11 SECONDS.
THU
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
1 FOOT AT 5 SECONDS AND SW 1 FOOT AT 6 SECONDS.
THU NIGHT
NE WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 6 SECONDS AND SW 1 FOOT
AT 6 SECONDS.
FRI
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. A CHANCE OF RAIN.
FRI NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
4 TO 6 FT. A CHANCE OF RAIN.
SAT
NW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. A CHANCE OF RAIN.
SAT NIGHT
NW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-190100-
NANTUCKET SOUND-
703 AM EST TUE NOV 18 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
TODAY
W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT THIS
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND S
1 FOOT AT 10 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND E 1 FOOT
AT 10 SECONDS.
WED
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE MORNING, THEN
1 FOOT OR LESS. WAVE DETAIL: W 1 FOOT AT 4 SECONDS AND SE 1 FOOT
AT 10 SECONDS, BECOMING W 1 FOOT AT 4 SECONDS AND E 1 FOOT AT
11 SECONDS.
WED NIGHT
N WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: W 1 FOOT AT 4 SECONDS AND NE 1 FOOT AT 11 SECONDS.
THU
NE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: NE
1 FOOT AT 4 SECONDS AND SW 1 FOOT AT 5 SECONDS.
THU NIGHT
NE WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 1 FOOT OR LESS. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND SW
1 FOOT AT 5 SECONDS.
FRI THROUGH SAT
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. A CHANCE
OF RAIN.
SAT NIGHT
NW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-190100-
VINEYARD SOUND-
703 AM EST TUE NOV 18 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
TODAY
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: W 4 FT AT 6 SECONDS AND S 1 FOOT AT
11 SECONDS.
TONIGHT
NW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 5 SECONDS AND
S 1 FOOT AT 9 SECONDS.
WED
NW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: W
1 FOOT AT 5 SECONDS AND S 1 FOOT AT 8 SECONDS.
WED NIGHT
N WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SW 1 FOOT AT 5 SECONDS AND NE 1 FOOT AT 10 SECONDS.
THU
NE WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: NE
1 FOOT AT 2 SECONDS AND SW 1 FOOT AT 5 SECONDS.
THU NIGHT
NE WINDS AROUND 5 KT, BECOMING W AFTER MIDNIGHT.
SEAS 1 FOOT OR LESS. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND SW
1 FOOT AT 5 SECONDS.
FRI THROUGH SAT
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. A CHANCE
OF RAIN.
SAT NIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-190100-
BUZZARDS BAY-
703 AM EST TUE NOV 18 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
TODAY
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND S 1 FOOT AT 9 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 5 SECONDS AND
S 1 FOOT AT 9 SECONDS.
WED
NW WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: W
1 FOOT AT 5 SECONDS AND S 1 FOOT AT 9 SECONDS.
WED NIGHT
N WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SW 1 FOOT AT 5 SECONDS AND E 1 FOOT AT 10 SECONDS.
THU
NE WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE DETAIL: NE
1 FOOT AT 3 SECONDS AND SW 1 FOOT AT 5 SECONDS.
THU NIGHT
NE WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT.
SEAS 1 FOOT OR LESS. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND SW
1 FOOT AT 5 SECONDS.
FRI THROUGH SAT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. A CHANCE OF RAIN.
SAT NIGHT
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-190100-
RHODE ISLAND SOUND-
703 AM EST TUE NOV 18 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
TODAY
W WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT THIS
AFTERNOON. SEAS 2 TO 4 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND S
1 FOOT AT 10 SECONDS.
TONIGHT
NW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND S
1 FOOT AT 9 SECONDS.
WED
NW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
2 FT AT 7 SECONDS.
WED NIGHT
N WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND
2 FT AFTER MIDNIGHT. WAVE DETAIL: SW 1 FOOT AT 5 SECONDS AND SE
1 FOOT AT 9 SECONDS, BECOMING SW 1 FOOT AT 5 SECONDS AND NE
1 FOOT AT 7 SECONDS.
THU
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
1 FOOT AT 4 SECONDS AND S 1 FOOT AT 6 SECONDS.
THU NIGHT
NE WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT.
SEAS 1 FOOT OR LESS. WAVE DETAIL: E 1 FOOT AT 5 SECONDS AND SW
1 FOOT AT 6 SECONDS.
FRI THROUGH SAT
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. A CHANCE
OF RAIN.
SAT NIGHT
NW WINDS 10 TO 15 KT. SEAS 2 TO 4 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-190100-
BLOCK ISLAND SOUND-
703 AM EST TUE NOV 18 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
TODAY
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT THIS
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT
AT 4 SECONDS AND S 1 FOOT AT 10 SECONDS.
TONIGHT
W WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND
S 1 FOOT AT 9 SECONDS.
WED
NW WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL: NW
1 FOOT AT 4 SECONDS AND S 1 FOOT AT 9 SECONDS.
WED NIGHT
N WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS, THEN
AROUND 2 FT AFTER MIDNIGHT. WAVE DETAIL: SW 1 FOOT AT 5 SECONDS
AND SE 1 FOOT AT 9 SECONDS, BECOMING SW 1 FOOT AT 5 SECONDS AND
SE 1 FOOT AT 8 SECONDS.
THU
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
1 FOOT AT 5 SECONDS AND S 1 FOOT AT 6 SECONDS.
THU NIGHT
E WINDS AROUND 5 KT, BECOMING S AFTER MIDNIGHT. SEAS
1 FOOT OR LESS. WAVE DETAIL: E 1 FOOT AT 5 SECONDS AND S 1 FOOT
AT 6 SECONDS.
FRI THROUGH SAT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT. A CHANCE OF RAIN.
SAT NIGHT
NW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-190100-
BOSTON HARBOR-
703 AM EST TUE NOV 18 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
TODAY
W WINDS 15 TO 20 KT. WAVES AROUND 2 FT.
TONIGHT
W WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS.
WED
W WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
WED NIGHT
NW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
THU
N WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
THU NIGHT
S WINDS AROUND 5 KT, BECOMING SW AROUND 5 KT AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
FRI AND FRI NIGHT
SW WINDS 10 TO 15 KT, BECOMING W. GUSTS UP
TO 20 KT. WAVES AROUND 2 FT. A CHANCE OF RAIN.
SAT AND SAT NIGHT
NW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO
10 KT. WAVES AROUND 2 FT, THEN 1 FOOT OR LESS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-190100-
NARRAGANSETT BAY-
703 AM EST TUE NOV 18 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON
TODAY
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
3 FT.
TONIGHT
W WINDS 5 TO 10 KT. WAVES AROUND 2 FT IN THE EVENING,
THEN 1 FOOT OR LESS.
WED
NW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
WED NIGHT
N WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
THU
NE WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
THU NIGHT
N WINDS AROUND 5 KT, BECOMING SW AROUND 5 KT AFTER
MIDNIGHT. WAVES 1 FOOT OR LESS.
FRI THROUGH SAT
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT. A CHANCE OF RAIN.
SAT NIGHT
NW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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