599
FZUS51 KBOX 171703
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
103 PM EDT WED SEP 17 2025
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-180600-
103 PM EDT WED SEP 17 2025
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A HIGH PRES TO OUR N SLOWLY MOVES E OF THE REGION THROUGH MID-WEEK
AS A LOW PRES PASSES WELL TO OUR S. SHOWERS EXPECTED OVER THE SRN
COASTAL WATERS TONIGHT. A COLD FRONT WILL CROSS THE REGION FRI,
FOLLOWED BY A LARGE HIGH PRES BUILDING IN FROM THE N FOR THIS
WEEKEND.
ANZ250-180600-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
103 PM EDT WED SEP 17 2025
THIS AFTERNOON
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 8 SECONDS.
TONIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 8 SECONDS. A CHANCE OF SHOWERS. A CHANCE OF TSTMS AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. VSBY 1 TO 3 NM, DECREASING
TO 1 NM OR LESS AFTER MIDNIGHT.
THU
E WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS. PATCHY FOG IN THE
MORNING. A CHANCE OF SHOWERS IN THE MORNING WITH VSBY 1 NM OR
LESS.
THU NIGHT
SW WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND SW 2 FT AT
3 SECONDS.
FRI AND FRI NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: NE 4 FT AT 7 SECONDS AND W 2 FT AT
3 SECONDS.
SAT THROUGH SUN NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: N 4 FT AT 6 SECONDS AND S
3 FT AT 4 SECONDS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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.
ANZ251-180600-
MASSACHUSETTS BAY AND IPSWICH BAY-
103 PM EDT WED SEP 17 2025
THIS AFTERNOON
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 8 SECONDS.
TONIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
2 FT AT 8 SECONDS. A CHANCE OF SHOWERS. A CHANCE OF TSTMS AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. VSBY 1 TO 3 NM, DECREASING
TO 1 NM OR LESS AFTER MIDNIGHT.
THU
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 NM OR LESS.
THU NIGHT
S WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 8 SECONDS AND SW 1 FOOT AT
3 SECONDS.
FRI AND FRI NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND W 2 FT AT
3 SECONDS.
SAT THROUGH SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 4 SECONDS AND NE
3 FT AT 6 SECONDS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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.
ANZ231-180600-
CAPE COD BAY-
103 PM EDT WED SEP 17 2025
THIS AFTERNOON
E WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: E 1 FOOT AT 4 SECONDS. A SLIGHT CHANCE OF SHOWERS.
TONIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 3 SECONDS. A CHANCE OF SHOWERS. A CHANCE OF TSTMS AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
THU
NE WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL: E
2 FT AT 2 SECONDS AND S 1 FOOT AT 4 SECONDS. PATCHY FOG IN THE
MORNING. A CHANCE OF SHOWERS IN THE MORNING WITH VSBY 1 NM OR
LESS.
THU NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 5 SECONDS AND S 1 FOOT AT 3 SECONDS.
FRI
NW WINDS AROUND 10 KT, BECOMING N IN THE AFTERNOON. GUSTS
UP TO 20 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS
AND W 1 FOOT AT 3 SECONDS.
FRI NIGHT
N WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: N 3 FT
AT 5 SECONDS.
SAT THROUGH SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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.
ANZ254-180600-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
103 PM EDT WED SEP 17 2025
THIS AFTERNOON
E WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS AND S 1 FOOT AT
7 SECONDS. A CHANCE OF SHOWERS.
TONIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS AND S 1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING, THEN SHOWERS LIKELY WITH A CHANCE OF TSTMS AFTER
MIDNIGHT. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
THU
E WINDS 5 TO 10 KT, BECOMING SW IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS. PATCHY FOG IN THE
MORNING. A CHANCE OF SHOWERS IN THE MORNING WITH VSBY 1 NM OR
LESS.
THU NIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS.
FRI AND FRI NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: N 4 FT AT 6 SECONDS AND W 2 FT AT
3 SECONDS.
SAT THROUGH SUN NIGHT
S WINDS 15 TO 20 KT. SEAS 2 TO 4 FT.
WAVE DETAIL: N 4 FT AT 6 SECONDS AND SE 2 FT AT 3 SECONDS.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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.
ANZ255-180600-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
103 PM EDT WED SEP 17 2025
THIS AFTERNOON
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS AND S 1 FOOT AT
7 SECONDS. SHOWERS LIKELY.
TONIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE
DETAIL: E 4 FT AT 8 SECONDS AND S 1 FOOT AT 7 SECONDS. A CHANCE
OF SHOWERS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
THU
E WINDS AROUND 5 KT, BECOMING W IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS. PATCHY FOG. A CHANCE
OF SHOWERS IN THE MORNING WITH VSBY 1 NM OR LESS.
THU NIGHT
W WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND
SW 2 FT AT 5 SECONDS.
FRI AND FRI NIGHT
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: NE 4 FT AT 5 SECONDS AND W 2 FT AT
4 SECONDS.
SAT THROUGH SUN NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NE 4 FT AT 5 SECONDS AND SE
2 FT AT 4 SECONDS.
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.
ANZ256-180600-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
103 PM EDT WED SEP 17 2025
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 8 PM EDT THIS EVENING
THIS AFTERNOON
NE WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 5 FT. WAVE DETAIL: E 5 FT AT 8 SECONDS AND S 1 FOOT AT
7 SECONDS. SHOWERS WITH ISOLATED TSTMS.
TONIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE
DETAIL: E 5 FT AT 8 SECONDS AND S 1 FOOT AT 7 SECONDS. SHOWERS
LIKELY IN THE EVENING. A CHANCE OF SHOWERS AFTER MIDNIGHT. PATCHY
FOG AFTER MIDNIGHT. VSBY 1 NM OR LESS.
THU
NE WINDS AROUND 5 KT, BECOMING NW IN THE AFTERNOON. SEAS
3 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS. PATCHY FOG. A CHANCE
OF SHOWERS IN THE MORNING WITH VSBY 1 NM OR LESS.
THU NIGHT
SW WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND
SW 2 FT AT 5 SECONDS.
FRI
W WINDS 10 TO 15 KT. SEAS AROUND 3 FT. WAVE DETAIL: SE
3 FT AT 8 SECONDS AND W 2 FT AT 4 SECONDS.
FRI NIGHT
N WINDS 10 TO 15 KT, BECOMING NE 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT
AT 5 SECONDS AND W 2 FT AT 5 SECONDS.
SAT THROUGH SUN NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 4 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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.
ANZ232-180600-
NANTUCKET SOUND-
103 PM EDT WED SEP 17 2025
THIS AFTERNOON
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT 4 SECONDS AND S 1 FOOT AT
7 SECONDS. A CHANCE OF SHOWERS.
TONIGHT
E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS. A CHANCE OF
SHOWERS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
THU
E WINDS AROUND 5 KT, BECOMING W IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 6 SECONDS AND S 1 FOOT AT
7 SECONDS. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS IN THE
MORNING WITH VSBY 1 NM OR LESS.
THU NIGHT
SW WINDS 5 TO 10 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 3 SECONDS AND
E 2 FT AT 7 SECONDS.
FRI AND FRI NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 4 SECONDS AND W 2 FT AT
3 SECONDS.
SAT THROUGH SUN NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO
25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 4 SECONDS AND W
1 FOOT AT 5 SECONDS.
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.
ANZ233-180600-
VINEYARD SOUND-
103 PM EDT WED SEP 17 2025
THIS AFTERNOON
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT 4 SECONDS AND S 1 FOOT AT
7 SECONDS. SHOWERS LIKELY.
TONIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE
DETAIL: E 2 FT AT 4 SECONDS AND S 1 FOOT AT 7 SECONDS. A CHANCE
OF SHOWERS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
THU
NE WINDS AROUND 5 KT, BECOMING W IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 1 FOOT AT 4 SECONDS AND S 1 FOOT AT
6 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS IN THE MORNING WITH
VSBY 1 NM OR LESS.
THU NIGHT
W WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 1 FOOT AT 5 SECONDS AND SE 1 FOOT AT 6 SECONDS.
FRI AND FRI NIGHT
N WINDS 15 TO 20 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NE 2 FT AT 3 SECONDS AND W 1 FOOT AT 4 SECONDS.
SAT THROUGH SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 4 SECONDS AND W
1 FOOT AT 5 SECONDS.
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.
ANZ234-180600-
BUZZARDS BAY-
103 PM EDT WED SEP 17 2025
THIS AFTERNOON
NE WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: E 1 FOOT AT 3 SECONDS AND S 1 FOOT
AT 7 SECONDS. SHOWERS LIKELY.
TONIGHT
E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
SEAS AROUND 2 FT. WAVE DETAIL: E 1 FOOT AT 3 SECONDS AND S 1 FOOT
AT 7 SECONDS. A CHANCE OF SHOWERS IN THE EVENING. SHOWERS LIKELY
AFTER MIDNIGHT. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
THU
NE WINDS AROUND 5 KT, BECOMING W IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NE 1 FOOT AT 2 SECONDS AND S 1 FOOT AT
7 SECONDS. PATCHY FOG. A CHANCE OF SHOWERS IN THE MORNING WITH
VSBY 1 NM OR LESS.
THU NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
S 1 FOOT AT 5 SECONDS.
FRI AND FRI NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND W 1 FOOT AT
3 SECONDS.
SAT THROUGH SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND W
1 FOOT AT 5 SECONDS.
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.
ANZ235-180600-
RHODE ISLAND SOUND-
103 PM EDT WED SEP 17 2025
THIS AFTERNOON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 8 SECONDS AND S 1 FOOT AT
7 SECONDS. SHOWERS.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE
DETAIL: E 4 FT AT 8 SECONDS AND S 1 FOOT AT 7 SECONDS. A CHANCE
OF SHOWERS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR LESS.
THU
NE WINDS AROUND 5 KT, BECOMING W IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 7 SECONDS AND S 1 FOOT AT
6 SECONDS. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS IN THE
MORNING WITH VSBY 1 NM OR LESS.
THU NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS AND SW 2 FT AT 5 SECONDS.
FRI
NW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT
AT 3 SECONDS AND SE 2 FT AT 7 SECONDS.
FRI NIGHT
N WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 8 SECONDS AND
SW 2 FT AT 6 SECONDS.
SAT THROUGH SUN NIGHT
S WINDS 15 TO 20 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.
ANZ237-180600-
BLOCK ISLAND SOUND-
103 PM EDT WED SEP 17 2025
THIS AFTERNOON
NE WINDS AROUND 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS. SHOWERS LIKELY
WITH ISOLATED TSTMS.
TONIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE
DETAIL: SE 4 FT AT 7 SECONDS. A CHANCE OF SHOWERS. PATCHY FOG
AFTER MIDNIGHT. VSBY 1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER
MIDNIGHT.
THU
NE WINDS AROUND 5 KT, BECOMING W IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 7 SECONDS AND S 1 FOOT AT
6 SECONDS. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS IN THE
MORNING WITH VSBY 1 NM OR LESS.
THU NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 6 SECONDS.
FRI
NW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: W 2 FT
AT 4 SECONDS AND SE 2 FT AT 7 SECONDS.
FRI NIGHT
N WINDS 10 TO 15 KT, BECOMING NE 15 TO 20 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND W
2 FT AT 5 SECONDS.
SAT THROUGH SUN NIGHT
S WINDS 15 TO 20 KT. SEAS 2 TO 3 FT.
WINDS AND SEAS HIGHER IN AND NEAR TSTMS.
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.
ANZ230-180600-
BOSTON HARBOR-
103 PM EDT WED SEP 17 2025
THIS AFTERNOON
E WINDS AROUND 10 KT. WAVES 1 FOOT OR LESS.
TONIGHT
E WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE OF
SHOWERS. A CHANCE OF TSTMS AFTER MIDNIGHT. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
THU
E WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS. PATCHY FOG IN
THE MORNING. A CHANCE OF SHOWERS IN THE MORNING WITH VSBY 1 NM OR
LESS.
THU NIGHT
S WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. WAVES
1 FOOT OR LESS.
FRI AND FRI NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
SAT THROUGH SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO
20 KT. WAVES AROUND 2 FT.
WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
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.
ANZ236-180600-
NARRAGANSETT BAY-
103 PM EDT WED SEP 17 2025
THIS AFTERNOON
E WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT. SHOWERS LIKELY.
TONIGHT
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE EVENING.
WAVES AROUND 2 FT. A CHANCE OF SHOWERS. PATCHY FOG AFTER MIDNIGHT
WITH VSBY 1 NM OR LESS.
THU
N WINDS AROUND 5 KT, BECOMING SW AROUND 5 KT IN THE
AFTERNOON. WAVES AROUND 2 FT. PATCHY FOG IN THE MORNING. A CHANCE
OF SHOWERS IN THE MORNING WITH VSBY 1 NM OR LESS.
THU NIGHT
SW WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
FRI AND FRI NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
SAT THROUGH SUN NIGHT
S WINDS 10 TO 15 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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