856
FZUS51 KBOX 250204
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
1003 PM EDT FRI JUL 24 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-251500-
1003 PM EDT FRI JUL 24 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
HIGH PRES BUILDS ACROSS THE WATERS INTO THE WEEKEND, BRINGING MORE
PLEASANT BOATING WEATHER TO THE REGION THROUGH THE WEEKEND WITH
LIGHT WINDS AND SEAS LESS THAN 3 FT. INCREASING CHANCE FOR ROUGH
SEAS EARLY NEXT WEEK AS LOW PRESSURE APPROACHES FROM THE WEST.
ANZ250-251500-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
1003 PM EDT FRI JUL 24 2026
OVERNIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 7 SECONDS.
SAT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 8 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS. PATCHY FOG. VSBY
1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
SUN
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS AND SW 2 FT AT 8 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: E
3 FT AT 8 SECONDS AND W 2 FT AT 7 SECONDS.
MON AND MON NIGHT
S WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 7 SECONDS AND S 2 FT AT
8 SECONDS.
TUE
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
TUE NIGHT AND WED
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. SHOWERS LIKELY.
WED NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. A CHANCE OF
SHOWERS.
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.
ANZ251-251500-
MASSACHUSETTS BAY AND IPSWICH BAY-
1003 PM EDT FRI JUL 24 2026
OVERNIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 3 SECONDS AND SE 2 FT AT 7 SECONDS.
SAT
SE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 7 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 NM OR LESS.
SUN
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT
AT 7 SECONDS AND S 2 FT AT 10 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
SUN NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 7 SECONDS AND S 2 FT AT 12 SECONDS.
MON AND MON NIGHT
S WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND E 1 FOOT AT
11 SECONDS.
TUE
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
TUE NIGHT AND WED
SE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. SHOWERS LIKELY.
WED NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
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.
ANZ231-251500-
CAPE COD BAY-
1003 PM EDT FRI JUL 24 2026
OVERNIGHT
S WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: SE 1 FOOT AT 3 SECONDS.
SAT
NE WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS, THEN AROUND 2 FT
IN THE AFTERNOON. WAVE DETAIL: SE 1 FOOT AT 7 SECONDS, BECOMING
SE 2 FT AT 7 SECONDS AND E 1 FOOT AT 2 SECONDS.
SAT NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 2 FT AT 7 SECONDS AND E 1 FOOT AT 2 SECONDS.
SUN
NE WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: NE
1 FOOT AT 2 SECONDS AND SW 1 FOOT AT 8 SECONDS.
SUN NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 3 SECONDS.
MON AND MON NIGHT
S WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 3 SECONDS AND NE 1 FOOT AT 3 SECONDS.
TUE
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
TUE NIGHT AND WED
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. SHOWERS LIKELY.
WED NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. A CHANCE OF
SHOWERS.
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.
ANZ254-251500-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
1003 PM EDT FRI JUL 24 2026
OVERNIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 7 SECONDS.
SAT
NE WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS.
SAT NIGHT
NE WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 NM OR LESS.
SUN
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: E 3 FT AT 8 SECONDS AND S 2 FT AT 8 SECONDS.
PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
SUN NIGHT AND MON
NE WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: E 3 FT AT 7 SECONDS AND S 2 FT AT 7 SECONDS.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS AND E 1 FOOT AT 12 SECONDS.
TUE
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
TUE NIGHT AND WED
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. SHOWERS LIKELY.
WED NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS.
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.
ANZ255-251500-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
1003 PM EDT FRI JUL 24 2026
OVERNIGHT
E WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS.
SAT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS.
SAT NIGHT
NE WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS.
SUN
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: E 3 FT AT 7 SECONDS AND S 3 FT AT 8 SECONDS.
SUN NIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 4 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND S
2 FT AT 7 SECONDS.
MON AND MON NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: NE 2 FT AT 6 SECONDS AND S 2 FT AT 7 SECONDS.
TUE
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. A CHANCE OF SHOWERS.
TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. SHOWERS LIKELY.
WED
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. A CHANCE OF SHOWERS.
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.
ANZ256-251500-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
1003 PM EDT FRI JUL 24 2026
OVERNIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS.
SAT
NE WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SE 4 FT AT 8 SECONDS.
SAT NIGHT
NE WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS.
SUN
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: NE 4 FT AT 7 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN NIGHT
NE WINDS 10 TO 15 KT, BECOMING N 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND
SE 2 FT AT 8 SECONDS.
MON AND MON NIGHT
S WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS AND E 1 FOOT AT
11 SECONDS.
TUE
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. A CHANCE OF SHOWERS.
TUE NIGHT AND WED
S WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY.
WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 4 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.
ANZ232-251500-
NANTUCKET SOUND-
1003 PM EDT FRI JUL 24 2026
OVERNIGHT
E WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 1 FOOT AT 5 SECONDS.
SAT
NE WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: E 2 FT AT 6 SECONDS AND S 1 FOOT AT 7 SECONDS.
SAT NIGHT
NE WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 4 SECONDS AND S 1 FOOT AT
7 SECONDS.
SUN
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 2 FT AT 5 SECONDS AND S 1 FOOT AT
8 SECONDS.
SUN NIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 4 SECONDS AND SW
1 FOOT AT 7 SECONDS.
MON AND MON NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: NE 2 FT AT 6 SECONDS AND SW 1 FOOT AT 7 SECONDS.
TUE
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
TUE NIGHT AND WED
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS AROUND 3 FT. SHOWERS LIKELY.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. A CHANCE OF SHOWERS.
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.
ANZ233-251500-
VINEYARD SOUND-
1003 PM EDT FRI JUL 24 2026
OVERNIGHT
SE WINDS AROUND 5 KT, BECOMING E. SEAS AROUND 2 FT.
WAVE DETAIL: E 1 FOOT AT 2 SECONDS AND S 1 FOOT AT 6 SECONDS.
SAT
E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: E 1 FOOT AT 5 SECONDS AND S 1 FOOT
AT 6 SECONDS.
SAT NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NE 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 7 SECONDS.
SUN
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND S 1 FOOT AT
8 SECONDS.
SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING N 5 TO 10 KT AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE
DETAIL: NE 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 7 SECONDS.
MON AND MON NIGHT
S WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND SE 2 FT
AT 8 SECONDS.
TUE
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
TUE NIGHT AND WED
S WINDS 15 TO 20 KT, BECOMING SE 10 TO
15 KT. GUSTS UP TO 25 KT. SEAS AROUND 3 FT. SHOWERS LIKELY.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. A CHANCE OF SHOWERS.
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.
ANZ234-251500-
BUZZARDS BAY-
1003 PM EDT FRI JUL 24 2026
OVERNIGHT
S WINDS AROUND 5 KT, BECOMING E AROUND 5 KT. SEAS
AROUND 2 FT, THEN 1 FOOT OR LESS. WAVE DETAIL: E 1 FOOT AT
2 SECONDS AND S 1 FOOT AT 6 SECONDS, BECOMING SE 1 FOOT AT
6 SECONDS.
SAT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
1 FOOT AT 6 SECONDS AND E 1 FOOT AT 6 SECONDS.
SAT NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
E 1 FOOT AT 2 SECONDS AND S 1 FOOT AT 6 SECONDS.
SUN
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND S 1 FOOT AT
8 SECONDS.
SUN NIGHT
NE WINDS 10 TO 15 KT, BECOMING N 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS
AND S 1 FOOT AT 7 SECONDS.
MON AND MON NIGHT
S WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND E 1 FOOT
AT 11 SECONDS.
TUE
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. A CHANCE OF SHOWERS.
TUE NIGHT AND WED
S WINDS 15 TO 20 KT, BECOMING SE 10 TO
15 KT. GUSTS UP TO 25 KT. SEAS AROUND 3 FT. SHOWERS LIKELY.
WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF
SHOWERS.
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.
ANZ235-251500-
RHODE ISLAND SOUND-
1003 PM EDT FRI JUL 24 2026
OVERNIGHT
SE WINDS AROUND 5 KT, BECOMING E AROUND 5 KT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS.
SAT
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING NE WITH GUSTS UP TO
20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT
7 SECONDS.
SUN
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 3 FT AT 6 SECONDS AND S 2 FT AT 8 SECONDS.
SUN NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING N 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: NE 3 FT AT 5 SECONDS AND S 2 FT AT 7 SECONDS.
MON AND MON NIGHT
S WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND E 1 FOOT
AT 12 SECONDS.
TUE
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. A CHANCE OF SHOWERS.
TUE NIGHT AND WED
S WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. SHOWERS LIKELY.
WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. A CHANCE OF
SHOWERS.
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.
ANZ237-251500-
BLOCK ISLAND SOUND-
1003 PM EDT FRI JUL 24 2026
OVERNIGHT
SE WINDS AROUND 5 KT, BECOMING E AROUND 5 KT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS.
SAT
NE WINDS 5 TO 10 KT, BECOMING E WITH GUSTS UP TO 20 KT IN
THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING NE WITH GUSTS UP TO
20 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT AT
7 SECONDS.
SUN
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 7 SECONDS AND S 2 FT AT
8 SECONDS.
SUN NIGHT
NE WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS.
MON AND MON NIGHT
S WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS.
TUE AND TUE NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. SHOWERS LIKELY.
WED
S WINDS 10 TO 15 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS.
WED NIGHT
W WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. A CHANCE OF
SHOWERS.
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.
ANZ230-251500-
BOSTON HARBOR-
1003 PM EDT FRI JUL 24 2026
OVERNIGHT
SW WINDS AROUND 5 KT. WAVES 1 FOOT OR LESS.
SAT
S WINDS AROUND 5 KT, BECOMING E IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
SAT NIGHT
E WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR
LESS.
SUN
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS, THEN AROUND
2 FT IN THE AFTERNOON. PATCHY FOG IN THE MORNING WITH VSBY 1 NM
OR LESS.
SUN NIGHT
NE WINDS 5 TO 10 KT, BECOMING N AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
MON AND MON NIGHT
S WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT.
TUE AND TUE NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
WED
SE WINDS AROUND 10 KT. WAVES 2 TO 3 FT. SHOWERS LIKELY.
WED NIGHT
NE WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS. A CHANCE
OF SHOWERS.
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.
ANZ236-251500-
NARRAGANSETT BAY-
1003 PM EDT FRI JUL 24 2026
OVERNIGHT
SE WINDS AROUND 5 KT. WAVES AROUND 2 FT.
SAT
NE WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. WAVES
AROUND 2 FT.
SAT NIGHT
E WINDS AROUND 5 KT, BECOMING NE AFTER MIDNIGHT.
WAVES AROUND 2 FT.
SUN
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SUN NIGHT
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
MON AND MON NIGHT
S WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT.
TUE THROUGH WED
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
WAVES 2 TO 3 FT. SHOWERS LIKELY.
WED NIGHT
W WINDS 5 TO 10 KT. WAVES 2 TO 3 FT. A CHANCE OF
SHOWERS.
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.
ANZ280-251500-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
1003 PM EDT FRI JUL 24 2026
OVERNIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS.
SAT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 7 SECONDS.
SAT NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 NM OR
LESS.
SUN
NE WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS AROUND 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND S 1 FOOT
AT 8 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
SUN NIGHT AND MON
E WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND S 2 FT AT
8 SECONDS.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL:
SE 3 FT AT 7 SECONDS AND S 2 FT AT 8 SECONDS.
TUE
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. A CHANCE OF SHOWERS.
TUE NIGHT
S WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. SHOWERS LIKELY.
WED
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. SHOWERS LIKELY.
WED NIGHT
SE WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. A CHANCE OF SHOWERS.
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.
ANZ281-251500-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
1003 PM EDT FRI JUL 24 2026
OVERNIGHT
E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS.
SAT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS.
SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS.
SUN
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 3 FT AT 8 SECONDS.
SUN NIGHT AND MON
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 6 SECONDS AND S 3 FT AT
8 SECONDS.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: E
3 FT AT 7 SECONDS AND S 2 FT AT 8 SECONDS.
TUE
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. A CHANCE OF SHOWERS.
TUE NIGHT
S WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. SHOWERS LIKELY.
WED
SE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. SHOWERS LIKELY.
WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
4 TO 5 FT. A CHANCE OF SHOWERS.
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.
ANZ282-251500-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
1003 PM EDT FRI JUL 24 2026
OVERNIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS.
SAT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS.
SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS.
SUN
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. WAVE DETAIL: NE 4 FT AT 6 SECONDS AND S 3 FT AT 8 SECONDS.
SUN NIGHT AND MON
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT AT 6 SECONDS AND S 3 FT AT
7 SECONDS.
MON NIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS.
TUE
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. A CHANCE OF SHOWERS.
TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 4 FT. SHOWERS LIKELY.
WED AND WED NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING SW. SEAS 3 TO 5 FT. A CHANCE OF SHOWERS.
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.
ANZ283-251500-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
1003 PM EDT FRI JUL 24 2026
OVERNIGHT
E WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS.
SAT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SE 4 FT AT 7 SECONDS.
SAT NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
4 TO 5 FT. WAVE DETAIL: E 4 FT AT 7 SECONDS AND SE 3 FT AT
8 SECONDS.
SUN
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
5 FT. WAVE DETAIL: NE 4 FT AT 6 SECONDS AND S 2 FT AT 8 SECONDS.
SUN NIGHT
N WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 3 TO 4 FT. WAVE DETAIL: NE 4 FT AT 6 SECONDS AND SE
2 FT AT 7 SECONDS.
MON AND MON NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE
DETAIL: E 3 FT AT 7 SECONDS.
TUE
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. A CHANCE OF SHOWERS.
TUE NIGHT AND WED
S WINDS 15 TO 20 KT, DIMINISHING TO 10 TO
15 KT. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. SHOWERS LIKELY.
WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
4 TO 5 FT. A CHANCE OF SHOWERS.
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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