414
FZUS51 KBOX 011104
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
703 AM EDT SAT AUG 1 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-020000-
703 AM EDT SAT AUG 1 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
WINDS AND SEAS BELOW SMALL CRAFT ADVISORY LEVELS THROUGH SUNDAY.
LIGHT SW WINDS TO 10KTS THROUGH SUNDAY. LOW PRESSURE BRINGS HEAVY
RAIN AND GUSTY WINDS SUNDAY NIGHT THROUGH MONDAY NIGHT. HIGH
PRESSURE RETURNS MID WEEK.
ANZ250-020000-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
704 AM EDT SAT AUG 1 2026
TODAY
W WINDS AROUND 5 KT, BECOMING S THIS AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND SE 2 FT AT
9 SECONDS.
TONIGHT
S WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 3 SECONDS AND SE
2 FT AT 8 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SW
2 FT AT 3 SECONDS AND SE 2 FT AT 8 SECONDS. PATCHY FOG. VSBY 1 NM
OR LESS, INCREASING TO 1 TO 3 NM IN THE AFTERNOON.
SUN NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND SE
2 FT AT 8 SECONDS. SHOWERS LIKELY AFTER MIDNIGHT.
MON
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND S 2 FT AT 4 SECONDS.
SHOWERS LIKELY.
MON NIGHT
SW WINDS 10 TO 15 KT, BECOMING W 5 TO 10 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS AND SW 2 FT AT 4 SECONDS. A CHANCE OF SHOWERS AND
TSTMS.
TUE THROUGH WED NIGHT
SW WINDS 5 TO 10 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.
ANZ251-020000-
MASSACHUSETTS BAY AND IPSWICH BAY-
704 AM EDT SAT AUG 1 2026
TODAY
SW WINDS AROUND 5 KT, BECOMING SE THIS AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND SE 2 FT AT
9 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SE
2 FT AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
SUN
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH GUSTS
UP TO 20 KT IN THE AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: SE
2 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
SUN NIGHT
S 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: S 2 FT AT 4 SECONDS AND SE 1 FOOT AT 8 SECONDS. SHOWERS
LIKELY AFTER MIDNIGHT.
MON
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: SE 2 FT AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
SHOWERS. A CHANCE OF TSTMS IN THE AFTERNOON.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 2 FT AT 3 SECONDS AND SE 2 FT AT 7 SECONDS. A CHANCE
OF SHOWERS AND TSTMS.
TUE THROUGH WED NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 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.
ANZ231-020000-
CAPE COD BAY-
704 AM EDT SAT AUG 1 2026
TODAY
SW WINDS AROUND 5 KT, BECOMING S THIS AFTERNOON. SEAS
1 FOOT OR LESS, THEN AROUND 2 FT THIS AFTERNOON. WAVE DETAIL: SW
1 FOOT AT 3 SECONDS AND NE 1 FOOT AT 5 SECONDS, BECOMING SW
1 FOOT AT 3 SECONDS AND NE 1 FOOT AT 4 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE EVENING,
THEN 1 FOOT OR LESS. WAVE DETAIL: SW 1 FOOT AT 2 SECONDS AND E
1 FOOT AT 5 SECONDS, BECOMING SW 1 FOOT AT 2 SECONDS AND E 1 FOOT
AT 4 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND SW 1 FOOT
AT 2 SECONDS.
SUN NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE EVENING,
THEN 1 FOOT OR LESS. WAVE DETAIL: S 1 FOOT AT 2 SECONDS AND SE
1 FOOT AT 7 SECONDS. SHOWERS AFTER MIDNIGHT.
MON
S WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND SE 2 FT AT 8 SECONDS.
SHOWERS.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 2 FT AT 3 SECONDS AND SE 2 FT AT 9 SECONDS. A CHANCE
OF TSTMS. SHOWERS LIKELY IN THE EVENING, THEN A CHANCE OF SHOWERS
AFTER MIDNIGHT.
TUE
SW WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. A CHANCE OF
SHOWERS AND TSTMS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. SEAS AROUND
2 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.
ANZ254-020000-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
704 AM EDT SAT AUG 1 2026
TODAY
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 8 SECONDS AND SW 2 FT AT 3 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 7 SECONDS AND SW 2 FT AT 4 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 NM OR LESS.
SUN
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 7 SECONDS AND SW 1 FOOT AT 3 SECONDS. PATCHY FOG IN THE
MORNING WITH VSBY 1 TO 3 NM.
SUN 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 7 SECONDS AND S
2 FT AT 4 SECONDS. SHOWERS LIKELY AFTER MIDNIGHT.
MON
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND S 3 FT AT 5 SECONDS.
SHOWERS LIKELY.
MON NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
5 FT AT 8 SECONDS AND W 2 FT AT 5 SECONDS. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TUE
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. A CHANCE OF SHOWERS
AND TSTMS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 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.
ANZ255-020000-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
704 AM EDT SAT AUG 1 2026
TODAY
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT THIS
AFTERNOON. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND
SW 2 FT AT 4 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
8 SECONDS AND SW 1 FOOT AT 4 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 TO 3 NM.
SUN 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 7 SECONDS. SHOWERS AFTER MIDNIGHT.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 6 FT AT 8 SECONDS AND SW 4 FT AT 5 SECONDS.
SHOWERS.
MON NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S
6 FT AT 8 SECONDS AND W 2 FT AT 5 SECONDS. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TUE
SW WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 10 TO 15 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.
ANZ256-020000-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
704 AM EDT SAT AUG 1 2026
TODAY
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT THIS
AFTERNOON. SEAS AROUND 3 FT. WAVE DETAIL: SE 3 FT AT 7 SECONDS
AND SW 2 FT AT 4 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: S
3 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 NM OR LESS.
SUN
S WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT
AT 8 SECONDS AND SW 2 FT AT 7 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 TO 3 NM.
SUN NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS AROUND 3 FT. WAVE DETAIL: SE 3 FT AT 6 SECONDS. A
CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS WITH A CHANCE OF
TSTMS AFTER MIDNIGHT. PATCHY FOG IN THE EVENING WITH VSBY 1 NM OR
LESS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 6 FT AT 8 SECONDS AND SW 4 FT AT 4 SECONDS.
SHOWERS.
MON NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 5 TO 6 FT. WAVE DETAIL: S
6 FT AT 8 SECONDS AND SW 3 FT AT 4 SECONDS. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TUE
SW WINDS AROUND 10 KT. SEAS 4 TO 6 FT. A CHANCE OF SHOWERS
AND TSTMS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 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.
ANZ232-020000-
NANTUCKET SOUND-
704 AM EDT SAT AUG 1 2026
TODAY
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT THIS
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS
AND S 1 FOOT AT 8 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 3 SECONDS AND S 1 FOOT AT 8 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 NM OR LESS.
SUN
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 3 SECONDS AND
S 1 FOOT AT 7 SECONDS. SHOWERS AFTER MIDNIGHT.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND S 2 FT AT 7 SECONDS.
SHOWERS.
MON NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 2 TO 4 FT. WAVE DETAIL:
SW 3 FT AT 4 SECONDS AND SW 2 FT AT 8 SECONDS. SHOWERS LIKELY
WITH A CHANCE OF TSTMS.
TUE
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
TUE NIGHT THROUGH WED NIGHT
SW 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.
ANZ233-020000-
VINEYARD SOUND-
704 AM EDT SAT AUG 1 2026
TODAY
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT THIS
AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS
AND SW 2 FT AT 8 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 4 SECONDS AND
SE 1 FOOT AT 7 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 TO
3 NM.
SUN
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: SW
1 FOOT AT 4 SECONDS AND SW 1 FOOT AT 8 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND
S 1 FOOT AT 7 SECONDS. SHOWERS AFTER MIDNIGHT.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 4 FT AT 8 SECONDS AND SW 3 FT AT 5 SECONDS.
SHOWERS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE
DETAIL: SW 4 FT AT 7 SECONDS AND E 1 FOOT AT 9 SECONDS. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
TUE
SW WINDS AROUND 10 KT. SEAS 2 TO 4 FT. A CHANCE OF SHOWERS
AND TSTMS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 10 TO 15 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.
ANZ234-020000-
BUZZARDS BAY-
704 AM EDT SAT AUG 1 2026
TODAY
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT WITH
GUSTS UP TO 20 KT THIS AFTERNOON. SEAS AROUND 2 FT. WAVE DETAIL:
SW 2 FT AT 3 SECONDS AND S 1 FOOT AT 8 SECONDS.
TONIGHT
SW 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: S 2 FT AT 5 SECONDS AND S 1 FOOT AT 8 SECONDS. PATCHY FOG
AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
S WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 11 SECONDS AND SW 1 FOOT
AT 4 SECONDS. PATCHY FOG IN THE MORNING.
SUN NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND
S 1 FOOT AT 7 SECONDS. SHOWERS AFTER MIDNIGHT.
MON
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS AND SW 3 FT AT 4 SECONDS.
SHOWERS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE
DETAIL: SW 3 FT AT 4 SECONDS AND SW 2 FT AT 8 SECONDS. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
TUE
SW WINDS AROUND 10 KT. SEAS 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 KT. SEAS AROUND 2 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.
ANZ235-020000-
RHODE ISLAND SOUND-
704 AM EDT SAT AUG 1 2026
TODAY
SW WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT THIS
AFTERNOON. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND
SE 2 FT AT 9 SECONDS.
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING S 5 TO 10 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND SW
2 FT AT 4 SECONDS. PATCHY FOG AFTER MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE 3 FT
AT 8 SECONDS AND S 3 FT AT 8 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 TO 3 NM.
SUN 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 7 SECONDS.
SHOWERS AFTER MIDNIGHT.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND S 3 FT AT 5 SECONDS.
SHOWERS.
MON NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 4 TO 5 FT. WAVE DETAIL: S
5 FT AT 8 SECONDS AND SW 3 FT AT 5 SECONDS. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TUE
SW WINDS 10 TO 15 KT. SEAS 3 TO 5 FT. A CHANCE OF SHOWERS
AND TSTMS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 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.
ANZ237-020000-
BLOCK ISLAND SOUND-
704 AM EDT SAT AUG 1 2026
TODAY
SW WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S
3 FT AT 8 SECONDS AND SW 2 FT AT 3 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT
7 SECONDS AND SW 1 FOOT AT 4 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 TO 3 NM.
SUN 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 7 SECONDS AND SW
2 FT AT 4 SECONDS. A CHANCE OF SHOWERS IN THE EVENING, THEN
SHOWERS LIKELY WITH A CHANCE OF TSTMS AFTER MIDNIGHT.
MON
SW WINDS AROUND 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS.
SHOWERS.
MON NIGHT
SW 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: S 5 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS. SHOWERS
LIKELY WITH A CHANCE OF TSTMS.
TUE
SW WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. A CHANCE OF SHOWERS
AND TSTMS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 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.
ANZ230-020000-
BOSTON HARBOR-
704 AM EDT SAT AUG 1 2026
TODAY
SW WINDS AROUND 5 KT, BECOMING SE THIS AFTERNOON. WAVES
1 FOOT OR LESS.
TONIGHT
S WINDS 5 TO 10 KT. WAVES 1 FOOT OR LESS.
SUN
S WINDS AROUND 5 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. WAVES 1 FOOT OR LESS, THEN AROUND 2 FT IN THE
AFTERNOON.
SUN NIGHT
S 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.
SHOWERS LIKELY AFTER MIDNIGHT.
MON
S WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT IN THE
AFTERNOON. GUSTS UP TO 20 KT. WAVES 1 FOOT OR LESS, THEN AROUND
2 FT IN THE AFTERNOON. SHOWERS. A CHANCE OF TSTMS IN THE
AFTERNOON.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING W 5 TO 10 KT AFTER MIDNIGHT. WAVES AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS. A CHANCE OF TSTMS. SHOWERS LIKELY
IN THE EVENING, THEN A CHANCE OF SHOWERS AFTER MIDNIGHT.
TUE THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. WAVES 1 FOOT OR
LESS.
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.
ANZ236-020000-
NARRAGANSETT BAY-
704 AM EDT SAT AUG 1 2026
TODAY
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT THIS
AFTERNOON. WAVES AROUND 2 FT. A SLIGHT CHANCE OF SHOWERS WITH
ISOLATED TSTMS THIS AFTERNOON.
TONIGHT
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT. PATCHY FOG
AFTER MIDNIGHT.
SUN
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT IN THE
AFTERNOON. WAVES AROUND 2 FT.
SUN NIGHT
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT AFTER
MIDNIGHT. WAVES AROUND 2 FT. SHOWERS WITH A CHANCE OF TSTMS AFTER
MIDNIGHT.
MON
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 2 TO
3 FT. SHOWERS.
MON NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO 3 FT. A
CHANCE OF TSTMS. SHOWERS LIKELY IN THE EVENING, THEN A CHANCE OF
SHOWERS AFTER MIDNIGHT.
TUE
SW WINDS 5 TO 10 KT. WAVES 2 TO 3 FT. A CHANCE OF SHOWERS
AND TSTMS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 10 TO 15 KT. WAVES 2 TO
3 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.
ANZ280-020000-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
704 AM EDT SAT AUG 1 2026
TODAY
W WINDS 5 TO 10 KT, BECOMING S THIS AFTERNOON. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND E 2 FT AT 8 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING SW 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 20 KT. SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT
AT 8 SECONDS AND S 2 FT AT 3 SECONDS. PATCHY FOG AFTER MIDNIGHT
WITH VSBY 1 NM OR LESS.
SUN
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT AT 8 SECONDS AND SW 2 FT AT
4 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
SUN NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 4 SECONDS AND S 2 FT AT
7 SECONDS. SHOWERS LIKELY AFTER MIDNIGHT.
MON
S WINDS 10 TO 15 KT, BECOMING SW 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 30 KT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT
AT 6 SECONDS AND SE 1 FOOT AT 10 SECONDS. SHOWERS LIKELY.
MON NIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S 5 FT
AT 8 SECONDS AND SW 2 FT AT 4 SECONDS. A CHANCE OF SHOWERS AND
TSTMS.
TUE
W WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. A CHANCE OF SHOWERS
AND TSTMS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 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.
ANZ281-020000-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
704 AM EDT SAT AUG 1 2026
TODAY
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT
AT 8 SECONDS AND W 1 FOOT AT 3 SECONDS.
TONIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 NM OR LESS.
SUN
S WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: SE 3 FT
AT 7 SECONDS AND W 1 FOOT AT 4 SECONDS. PATCHY FOG IN THE MORNING
WITH VSBY 1 NM OR LESS.
SUN NIGHT
S WINDS 10 TO 15 KT. GUSTS UP TO 20 KT AFTER
MIDNIGHT. SEAS AROUND 3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND
S 3 FT AT 7 SECONDS. SHOWERS LIKELY AFTER MIDNIGHT.
MON
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: S 6 FT AT 8 SECONDS AND SW 4 FT AT 5 SECONDS.
SHOWERS LIKELY.
MON NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 5 TO 7 FT. WAVE DETAIL: S
7 FT AT 8 SECONDS AND W 2 FT AT 5 SECONDS. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS AND TSTMS.
TUE NIGHT
SW WINDS AROUND 10 KT. SEAS 3 TO 5 FT.
WED AND WED NIGHT
SW WINDS 5 TO 10 KT. 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.
ANZ282-020000-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
704 AM EDT SAT AUG 1 2026
TODAY
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 4 FT
AT 8 SECONDS AND W 1 FOOT AT 3 SECONDS.
TONIGHT
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S
3 FT AT 8 SECONDS AND SW 1 FOOT AT 4 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
S WINDS 5 TO 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: SE 3 FT
AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS AROUND 3 FT. WAVE DETAIL: S
3 FT AT 5 SECONDS. A CHANCE OF SHOWERS IN THE EVENING. SHOWERS
LIKELY AFTER MIDNIGHT.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT, BUILDING TO 5 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: S 5 FT
AT 8 SECONDS AND SW 3 FT AT 5 SECONDS, BECOMING S 6 FT AT
8 SECONDS AND W 2 FT AT 5 SECONDS. SHOWERS LIKELY.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
6 TO 7 FT. WAVE DETAIL: S 7 FT AT 8 SECONDS AND W 1 FOOT AT
5 SECONDS. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
TUE
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 5 TO
7 FT. SHOWERS LIKELY WITH A CHANCE OF TSTMS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 5 TO 10 KT. SEAS 3 TO
5 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.
ANZ283-020000-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
704 AM EDT SAT AUG 1 2026
TODAY
SW WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE DETAIL: S 3 FT
AT 9 SECONDS AND SW 2 FT AT 4 SECONDS.
TONIGHT
S WINDS AROUND 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: S
3 FT AT 8 SECONDS AND SW 2 FT AT 4 SECONDS. PATCHY FOG AFTER
MIDNIGHT WITH VSBY 1 TO 3 NM.
SUN
S WINDS AROUND 10 KT. SEAS AROUND 3 FT. WAVE DETAIL: S
3 FT AT 7 SECONDS AND SW 1 FOOT AT 4 SECONDS.
SUN NIGHT
S WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS AROUND 3 FT. WAVE DETAIL: S
3 FT AT 4 SECONDS AND SE 3 FT AT 7 SECONDS. A CHANCE OF SHOWERS
IN THE EVENING. SHOWERS AFTER MIDNIGHT.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT, BUILDING TO 5 TO 6 FT IN THE AFTERNOON. WAVE DETAIL: S 5 FT
AT 8 SECONDS AND SW 3 FT AT 5 SECONDS, BECOMING S 6 FT AT
8 SECONDS AND SW 4 FT AT 5 SECONDS. SHOWERS IN THE MORNING. A
CHANCE OF SHOWERS IN THE AFTERNOON.
MON NIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 6 TO 8 FT. WAVE DETAIL: S
8 FT AT 8 SECONDS AND SW 3 FT AT 4 SECONDS. SHOWERS LIKELY WITH A
CHANCE OF TSTMS.
TUE
SW WINDS AROUND 10 KT. SEAS 5 TO 7 FT. SHOWERS LIKELY WITH
A CHANCE OF TSTMS.
TUE NIGHT THROUGH WED NIGHT
SW WINDS 10 TO 15 KT. SEAS 3 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.
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