696
FZUS51 KBOX 181704
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
104 PM EDT WED MAR 18 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-190600-
104 PM EDT WED MAR 18 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES BUILDS OVER THE WATERS WED INTO THU, MOVING OFFSHORE FRI
AS A COLD FRONT APPROACHES FROM THE WEST. LOW PRESSURE PASSES THE
REGION THIS WEEKEND.
ANZ250-190600-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
104 PM EDT WED MAR 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
THIS AFTERNOON
NE WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. WAVE
DETAIL: SE 5 FT AT 10 SECONDS AND NW 3 FT AT 5 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE
5 FT AT 10 SECONDS AND NW 2 FT AT 4 SECONDS.
THU
SE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 10 SECONDS AND
SE 2 FT AT 3 SECONDS.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE
3 FT AT 9 SECONDS AND SE 2 FT AT 3 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS AND SW 2 FT AT 3 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND SW 2 FT AT
3 SECONDS. RAIN LIKELY AFTER MIDNIGHT.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. A CHANCE OF RAIN.
SAT NIGHT
SW WINDS 15 TO 20 KT. SEAS 4 TO 5 FT.
SUN
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. A CHANCE OF RAIN.
SUN NIGHT
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. A CHANCE OF
RAIN.
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.
ANZ251-190600-
MASSACHUSETTS BAY AND IPSWICH BAY-
104 PM EDT WED MAR 18 2026
THIS AFTERNOON
E WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: E 3 FT AT 10 SECONDS AND NW 2 FT AT 4 SECONDS.
TONIGHT
S WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 10 SECONDS AND
NW 2 FT AT 4 SECONDS.
THU
S WINDS 5 TO 10 KT, BECOMING SE 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 10 SECONDS AND
SE 2 FT AT 3 SECONDS.
THU NIGHT
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 9 SECONDS AND SE 2 FT AT 4 SECONDS.
FRI
SW WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS AND S 1 FOOT AT
3 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND S 2 FT AT
3 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN RAIN LIKELY
AFTER MIDNIGHT.
SAT
S WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. A CHANCE OF RAIN.
SAT NIGHT
SW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
SUN AND SUN NIGHT
SW WINDS 15 TO 20 KT, BECOMING NW 20 TO
25 KT. SEAS 2 TO 4 FT. A CHANCE OF RAIN.
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.
ANZ231-190600-
CAPE COD BAY-
104 PM EDT WED MAR 18 2026
THIS AFTERNOON
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NW 2 FT AT 5 SECONDS AND E 2 FT AT 9 SECONDS.
TONIGHT
SE WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NW
2 FT AT 5 SECONDS AND E 2 FT AT 8 SECONDS.
THU
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT
AT 7 SECONDS AND N 1 FOOT AT 4 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 8 SECONDS AND SE 1 FOOT AT 2 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 6 SECONDS AND SW 1 FOOT AT 2 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND
SW 1 FOOT AT 2 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
SAT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF RAIN.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT.
SUN AND SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING NW 15 TO
20 KT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. A CHANCE OF RAIN.
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.
ANZ254-190600-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
104 PM EDT WED MAR 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
THIS AFTERNOON
NE WINDS 5 TO 10 KT. SEAS 5 TO 7 FT. WAVE
DETAIL: SE 6 FT AT 10 SECONDS AND NW 3 FT AT 6 SECONDS.
TONIGHT
SE WINDS AROUND 5 KT. SEAS 4 TO 6 FT. WAVE DETAIL: SE
5 FT AT 10 SECONDS AND NW 2 FT AT 6 SECONDS.
THU
SE WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SE 5 FT
AT 9 SECONDS AND N 1 FOOT AT 5 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE
4 FT AT 9 SECONDS AND N 1 FOOT AT 3 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 9 SECONDS AND SW 1 FOOT AT 2 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND SW
2 FT AT 3 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
SAT
S WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. A CHANCE OF RAIN.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
4 TO 5 FT.
SUN
SW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. A CHANCE OF RAIN.
SUN NIGHT
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. A CHANCE OF
RAIN.
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.
ANZ255-190600-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
104 PM EDT WED MAR 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
THIS AFTERNOON
E WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. WAVE
DETAIL: S 6 FT AT 10 SECONDS AND W 2 FT AT 6 SECONDS.
TONIGHT
SE WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
5 FT AT 10 SECONDS AND W 1 FOOT AT 6 SECONDS.
THU
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 9 SECONDS.
THU NIGHT
S WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 9 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS AND SW 1 FOOT AT 2 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 9 SECONDS AND
SW 3 FT AT 4 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
SAT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. A CHANCE OF RAIN.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
SUN NIGHT
NW WINDS 20 TO 25 KT. SEAS 5 TO 7 FT. A CHANCE OF
RAIN.
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.
ANZ256-190600-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
104 PM EDT WED MAR 18 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
THIS AFTERNOON
SE WINDS AROUND 5 KT. SEAS 5 TO 6 FT. WAVE
DETAIL: S 6 FT AT 10 SECONDS AND W 1 FOOT AT 5 SECONDS.
TONIGHT
SE WINDS AROUND 5 KT. SEAS 4 TO 5 FT. WAVE DETAIL: S
5 FT AT 10 SECONDS.
THU
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 9 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 9 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: SE
3 FT AT 9 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND
SE 3 FT AT 9 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
SAT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. A CHANCE OF RAIN.
SAT NIGHT AND SUN
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO
20 KT. SEAS 4 TO 6 FT.
SUN NIGHT
NW WINDS 20 TO 25 KT. SEAS 4 TO 6 FT. A CHANCE OF
RAIN.
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.
ANZ232-190600-
NANTUCKET SOUND-
104 PM EDT WED MAR 18 2026
THIS AFTERNOON
E WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 2 FT AT 10 SECONDS AND W 1 FOOT AT 4 SECONDS.
TONIGHT
SE WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 10 SECONDS AND NW 1 FOOT AT 4 SECONDS.
THU
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 9 SECONDS AND W 1 FOOT AT 3 SECONDS.
THU NIGHT
S WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT 9 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 9 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND E
2 FT AT 9 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
SAT
S WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. A CHANCE OF RAIN.
SAT NIGHT AND SUN
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.
SEAS 2 TO 4 FT.
SUN NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. A CHANCE OF
RAIN.
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.
ANZ233-190600-
VINEYARD SOUND-
104 PM EDT WED MAR 18 2026
THIS AFTERNOON
S WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: S 3 FT AT 10 SECONDS AND W 1 FOOT AT 5 SECONDS.
TONIGHT
SE WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 9 SECONDS AND SW 1 FOOT AT 4 SECONDS.
THU
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT
AT 9 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 8 SECONDS AND SE 1 FOOT AT 2 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 8 SECONDS AND SW 1 FOOT AT 3 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND
SE 1 FOOT AT 8 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
SAT
S WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. A CHANCE OF RAIN.
SAT NIGHT AND SUN
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO
20 KT. SEAS 2 TO 4 FT.
SUN NIGHT
NW WINDS 15 TO 20 KT. SEAS 2 TO 4 FT. A CHANCE OF
RAIN.
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.
ANZ234-190600-
BUZZARDS BAY-
104 PM EDT WED MAR 18 2026
THIS AFTERNOON
SE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 2 FT AT 10 SECONDS AND W 1 FOOT AT 5 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 9 SECONDS AND S 1 FOOT AT 4 SECONDS.
THU
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT
AT 9 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
2 FT AT 8 SECONDS AND SE 1 FOOT AT 2 SECONDS.
FRI
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS
AND SE 1 FOOT AT 8 SECONDS.
FRI NIGHT
SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND
SE 1 FOOT AT 8 SECONDS. A CHANCE OF RAIN AFTER MIDNIGHT.
SAT
SW WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. A CHANCE OF RAIN.
SAT NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
SUN AND SUN NIGHT
SW WINDS 15 TO 20 KT, BECOMING NW. SEAS 2 TO
3 FT. A CHANCE OF RAIN.
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.
ANZ235-190600-
RHODE ISLAND SOUND-
104 PM EDT WED MAR 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
SE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE
DETAIL: S 5 FT AT 10 SECONDS AND W 1 FOOT AT 5 SECONDS.
TONIGHT
SE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
5 FT AT 10 SECONDS.
THU
SE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT
AT 9 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS.
FRI
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND
SW 2 FT AT 3 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND SE
3 FT AT 9 SECONDS. RAIN LIKELY AFTER MIDNIGHT.
SAT
SW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT. A CHANCE OF RAIN.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT. SEAS 3 TO 5 FT.
SUN NIGHT
NW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF
RAIN.
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.
ANZ237-190600-
BLOCK ISLAND SOUND-
104 PM EDT WED MAR 18 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
S WINDS AROUND 5 KT. SEAS 4 TO 5 FT. WAVE
DETAIL: S 5 FT AT 10 SECONDS.
TONIGHT
SE WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
5 FT AT 10 SECONDS.
THU
SE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT
AT 9 SECONDS.
THU NIGHT
S WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 9 SECONDS.
FRI
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 9 SECONDS.
FRI NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND
SW 2 FT AT 3 SECONDS. A CHANCE OF RAIN IN THE EVENING, THEN RAIN
LIKELY AFTER MIDNIGHT.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. RAIN LIKELY.
SAT NIGHT AND SUN
SW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT.
SUN NIGHT
NW WINDS 15 TO 20 KT. SEAS 3 TO 4 FT. A CHANCE OF
RAIN.
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.
ANZ230-190600-
BOSTON HARBOR-
104 PM EDT WED MAR 18 2026
THIS AFTERNOON
E WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
THU
SE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
THU NIGHT
S WINDS AROUND 10 KT. WAVES 1 FOOT OR LESS.
FRI
SW WINDS 5 TO 10 KT, BECOMING S IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
FRI NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT. A CHANCE OF RAIN IN THE EVENING,
THEN RAIN LIKELY AFTER MIDNIGHT.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT. RAIN LIKELY.
SAT NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
AROUND 2 FT.
SUN AND SUN NIGHT
W WINDS 15 TO 20 KT, BECOMING N. GUSTS UP TO
25 KT. WAVES AROUND 2 FT. A CHANCE OF RAIN.
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.
ANZ236-190600-
NARRAGANSETT BAY-
104 PM EDT WED MAR 18 2026
THIS AFTERNOON
S WINDS 5 TO 10 KT. WAVES 2 TO 3 FT.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SE AFTER MIDNIGHT. WAVES
2 TO 3 FT.
THU
SE WINDS AROUND 5 KT, BECOMING S IN THE AFTERNOON. WAVES
2 TO 3 FT.
THU NIGHT
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
FRI
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
FRI NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT. A CHANCE OF RAIN IN THE EVENING,
THEN RAIN LIKELY AFTER MIDNIGHT.
SAT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES 2 TO
3 FT. RAIN LIKELY.
SAT NIGHT
SW WINDS 10 TO 15 KT. WAVES 2 TO 3 FT.
SUN AND SUN NIGHT
SW WINDS 10 TO 15 KT, BECOMING NW. GUSTS UP
TO 20 KT. WAVES 2 TO 3 FT. A CHANCE OF RAIN.
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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