162
FZUS51 KBOX 221103
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
703 AM EDT WED JUL 22 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-230000-
703 AM EDT WED JUL 22 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
A COLD FRONT APPROACHES THE WATERS FROM THE WEST TODAY. GUSTY SW
FLOW WILL CONTINUE TO PROMOTE ROUGH SEAS ESPECIALLY ACROSS THE OPEN
WATERS SOUTH OF THE OUTER-ISLANDS TODAY. THIS COLD FRONT WILL CROSS
THE WATERS LATE TONIGHT INTO EARLY THU. HIGH PRES BUILDS ACROSS THE
WATERS LATER THU AND INTO THE WEEKEND, BRINGING MORE PLEASANT
BOATING WEATHER TO THE REGION.
ANZ250-230000-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
703 AM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
S WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: S 5 FT AT 6 SECONDS AND SE 4 FT AT 9 SECONDS.
SHOWERS WITH A CHANCE OF TSTMS THIS MORNING, THEN A SLIGHT CHANCE
OF SHOWERS THIS AFTERNOON. PATCHY FOG THIS MORNING WITH VSBY 1 TO
3 NM.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT, BECOMING
W AFTER MIDNIGHT. SEAS 3 TO 5 FT. WAVE DETAIL: SE 4 FT AT
9 SECONDS AND SW 3 FT AT 4 SECONDS.
THU
NW WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
2 TO 4 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS AND W 1 FOOT AT
3 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SE 3 FT AT 8 SECONDS AND SW 2 FT AT
5 SECONDS.
FRI AND FRI NIGHT
SE WINDS AROUND 5 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 2 FT AT 7 SECONDS.
SAT THROUGH SUN NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 7 SECONDS AND S 3 FT AT 8 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.
ANZ251-230000-
MASSACHUSETTS BAY AND IPSWICH BAY-
703 AM EDT WED JUL 22 2026
TODAY
S WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT THIS
AFTERNOON. GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SE
3 FT AT 5 SECONDS. SHOWERS WITH A CHANCE OF TSTMS THIS MORNING,
THEN A CHANCE OF SHOWERS THIS AFTERNOON. PATCHY FOG THIS MORNING.
TONIGHT
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 4 SECONDS AND SE 2 FT AT 7 SECONDS.
THU
NW WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND W 1 FOOT AT
3 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND SW 1 FOOT AT
4 SECONDS.
FRI
W WINDS AROUND 5 KT, BECOMING E IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND SW 1 FOOT AT
7 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT.
SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 7 SECONDS AND SE 1 FOOT
AT 2 SECONDS.
SAT THROUGH SUN 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.
ANZ231-230000-
CAPE COD BAY-
703 AM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING
TODAY
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: SW 3 FT AT 3 SECONDS AND SE 2 FT AT 9 SECONDS.
SHOWERS WITH A CHANCE OF TSTMS THIS MORNING, THEN A CHANCE OF
SHOWERS THIS AFTERNOON. PATCHY FOG THIS MORNING WITH VSBY 1 TO
3 NM.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT, BECOMING
W 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW 2 FT
AT 3 SECONDS AND SE 1 FOOT AT 11 SECONDS.
THU
NW WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT
11 SECONDS.
THU NIGHT
SE WINDS AROUND 5 KT, BECOMING SW AFTER MIDNIGHT.
SEAS AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS. WAVE
DETAIL: SW 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 8 SECONDS,
BECOMING SW 1 FOOT AT 3 SECONDS AND SE 1 FOOT AT 8 SECONDS.
FRI AND FRI NIGHT
E WINDS AROUND 5 KT. SEAS 1 FOOT OR LESS.
WAVE DETAIL: E 1 FOOT AT 8 SECONDS AND S 1 FOOT AT 9 SECONDS.
SAT THROUGH SUN NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
WAVE DETAIL: SE 2 FT AT 9 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.
ANZ254-230000-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
703 AM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING
TODAY
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. WAVE DETAIL: S 8 FT AT 8 SECONDS AND SE 5 FT AT 11 SECONDS.
SHOWERS LIKELY WITH A CHANCE OF TSTMS THIS MORNING, THEN A CHANCE
OF SHOWERS THIS AFTERNOON. PATCHY FOG THIS MORNING WITH VSBY 1 TO
3 NM.
TONIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 5 TO 8 FT. WAVE DETAIL: S 7 FT
AT 9 SECONDS AND SE 6 FT AT 10 SECONDS. PATCHY FOG. SHOWERS
LIKELY. VSBY 1 TO 3 NM.
THU
NW WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
4 TO 6 FT. WAVE DETAIL: SW 5 FT AT 8 SECONDS AND SE 5 FT AT
9 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
THU NIGHT
E WINDS AROUND 5 KT, BECOMING NE AROUND 5 KT AFTER
MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND SE
3 FT AT 8 SECONDS.
FRI AND FRI NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SE 3 FT AT 7 SECONDS.
SAT THROUGH SUN NIGHT
N WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 7 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.
ANZ255-230000-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
703 AM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING
TODAY
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 7 TO
9 FT. WAVE DETAIL: SW 9 FT AT 8 SECONDS AND E 2 FT AT 9 SECONDS.
SHOWERS LIKELY WITH ISOLATED TSTMS THIS MORNING, THEN A CHANCE OF
SHOWERS THIS AFTERNOON. PATCHY FOG THIS MORNING WITH VSBY 1 TO
3 NM.
TONIGHT
SW WINDS 15 TO 20 KT, BECOMING W 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 25 KT. SEAS 6 TO 9 FT. WAVE DETAIL: S 8 FT
AT 9 SECONDS AND SE 7 FT AT 12 SECONDS. PATCHY FOG. SHOWERS
LIKELY. VSBY 1 TO 3 NM.
THU
N WINDS AROUND 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
5 TO 7 FT. WAVE DETAIL: S 6 FT AT 9 SECONDS AND NE 6 FT AT
11 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
THU NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
5 FT AT 8 SECONDS AND E 1 FOOT AT 7 SECONDS.
FRI AND FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: S 4 FT AT 7 SECONDS AND SE 2 FT AT 8 SECONDS.
SAT THROUGH SUN NIGHT
N WINDS 10 TO 15 KT. SEAS 2 TO 3 FT.
WAVE DETAIL: E 3 FT AT 7 SECONDS AND S 2 FT AT 8 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.
ANZ256-230000-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
703 AM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY EVENING
TODAY
SW WINDS 20 TO 25 KT, DIMINISHING TO 15 TO 20 KT THIS
AFTERNOON. GUSTS UP TO 30 KT. SEAS 7 TO 9 FT. WAVE DETAIL: S 9 FT
AT 8 SECONDS AND E 1 FOOT AT 9 SECONDS. SHOWERS LIKELY WITH A
CHANCE OF TSTMS THIS MORNING, THEN A CHANCE OF SHOWERS THIS
AFTERNOON. PATCHY FOG THIS MORNING WITH VSBY 1 TO 3 NM.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 10 TO 15 KT AFTER MIDNIGHT. SEAS 6 TO 8 FT. WAVE DETAIL: S
8 FT AT 9 SECONDS AND E 7 FT AT 10 SECONDS.
THU
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS 4 TO
6 FT. WAVE DETAIL: S 6 FT AT 9 SECONDS AND NE 2 FT AT 8 SECONDS.
THU NIGHT
SE WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT.
SEAS 4 TO 5 FT. WAVE DETAIL: S 5 FT AT 8 SECONDS AND E 1 FOOT AT
8 SECONDS.
FRI AND FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: S 4 FT AT 7 SECONDS AND SE 2 FT AT 8 SECONDS.
SAT THROUGH SUN NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SE 3 FT AT 7 SECONDS AND SE 3 FT AT 11 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.
ANZ232-230000-
NANTUCKET SOUND-
703 AM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 5 FT AT 5 SECONDS AND SE 1 FOOT AT
8 SECONDS. SHOWERS LIKELY WITH A CHANCE OF TSTMS THIS MORNING,
THEN A CHANCE OF SHOWERS THIS AFTERNOON. PATCHY FOG THIS MORNING
WITH VSBY 1 TO 3 NM.
TONIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT, BECOMING
W 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 2 FT AT
10 SECONDS. PATCHY FOG IN THE EVENING. A CHANCE OF SHOWERS AFTER
MIDNIGHT. VSBY 1 TO 3 NM.
THU
N WINDS AROUND 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
2 TO 4 FT. WAVE DETAIL: NW 2 FT AT 5 SECONDS AND E 1 FOOT AT
9 SECONDS.
THU NIGHT
E WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 1 FOOT AT 6 SECONDS AND E 1 FOOT AT
7 SECONDS.
FRI AND FRI NIGHT
E WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 5 SECONDS AND E 1 FOOT AT 8 SECONDS.
SAT THROUGH SUN NIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
WAVE DETAIL: E 2 FT AT 6 SECONDS AND S 1 FOOT AT 7 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.
ANZ233-230000-
VINEYARD SOUND-
703 AM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT. WAVE DETAIL: SW 6 FT AT 8 SECONDS AND NE 2 FT AT
10 SECONDS. SHOWERS WITH A CHANCE OF TSTMS THIS MORNING, THEN A
CHANCE OF SHOWERS THIS AFTERNOON. PATCHY FOG THIS MORNING WITH
VSBY 1 TO 3 NM.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: SW
6 FT AT 9 SECONDS AND E 1 FOOT AT 9 SECONDS.
THU
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS 2 TO
4 FT. WAVE DETAIL: SW 4 FT AT 9 SECONDS AND NE 2 FT AT 7 SECONDS.
THU NIGHT
SE WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 8 SECONDS AND E 2 FT AT
7 SECONDS.
FRI AND FRI NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 2 FT AT 7 SECONDS AND E 1 FOOT AT 6 SECONDS.
SAT THROUGH SUN NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT.
WAVE DETAIL: E 1 FOOT AT 6 SECONDS AND S 1 FOOT 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.
ANZ234-230000-
BUZZARDS BAY-
703 AM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
TODAY
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 2 FT AT 9 SECONDS.
A CHANCE OF SHOWERS. A CHANCE OF TSTMS THIS MORNING. PATCHY FOG
THIS MORNING WITH VSBY 1 TO 3 NM.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 4 FT. WAVE DETAIL: SW
4 FT AT 6 SECONDS AND SE 2 FT AT 9 SECONDS.
THU
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS 2 TO
3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND W 2 FT AT 7 SECONDS.
THU NIGHT
SE WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS.
FRI
NE WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 6 SECONDS AND E 1 FOOT AT
6 SECONDS.
FRI NIGHT
SE WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT.
SEAS AROUND 2 FT IN THE EVENING, THEN 1 FOOT OR LESS. WAVE
DETAIL: SE 1 FOOT AT 5 SECONDS, BECOMING E 1 FOOT AT 3 SECONDS
AND S 1 FOOT AT 6 SECONDS.
SAT THROUGH SUN 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.
ANZ235-230000-
RHODE ISLAND SOUND-
703 AM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
TODAY
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. WAVE DETAIL: S 8 FT AT 8 SECONDS AND E 4 FT AT 9 SECONDS.
SHOWERS LIKELY WITH A CHANCE OF TSTMS THIS MORNING, THEN A CHANCE
OF SHOWERS THIS AFTERNOON. PATCHY FOG THIS MORNING WITH VSBY 1 TO
3 NM.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT, BECOMING
NW AROUND 10 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT. WAVE DETAIL: S
7 FT AT 9 SECONDS AND E 4 FT AT 9 SECONDS.
THU
N WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS 3 TO
5 FT. WAVE DETAIL: S 5 FT AT 9 SECONDS AND E 3 FT AT 8 SECONDS.
THU NIGHT
S WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND SE 3 FT AT
7 SECONDS.
FRI AND FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SE 4 FT AT 7 SECONDS.
SAT THROUGH SUN NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 2 FT AT 4 SECONDS AND SE 2 FT AT 8 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.
ANZ237-230000-
BLOCK ISLAND SOUND-
703 AM EDT WED JUL 22 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON
TODAY
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
7 FT. WAVE DETAIL: SW 7 FT AT 8 SECONDS AND E 2 FT AT 8 SECONDS.
SHOWERS LIKELY WITH A CHANCE OF TSTMS THIS MORNING, THEN A SLIGHT
CHANCE OF SHOWERS THIS AFTERNOON. PATCHY FOG THIS MORNING WITH
VSBY 1 TO 3 NM.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: SW
6 FT AT 9 SECONDS AND E 2 FT AT 9 SECONDS.
THU
N WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
3 TO 5 FT. WAVE DETAIL: S 5 FT AT 9 SECONDS AND E 2 FT AT
9 SECONDS.
THU NIGHT
S WINDS AROUND 5 KT, BECOMING NW AFTER MIDNIGHT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 8 SECONDS AND E 2 FT AT
8 SECONDS.
FRI
NE WINDS AROUND 5 KT, BECOMING E IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: S 3 FT AT 7 SECONDS AND E 2 FT AT
8 SECONDS.
FRI NIGHT
E WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 2 FT AT 7 SECONDS AND SE 2 FT AT
8 SECONDS.
SAT THROUGH SUN 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.
ANZ230-230000-
BOSTON HARBOR-
703 AM EDT WED JUL 22 2026
TODAY
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES
AROUND 2 FT. SHOWERS WITH A CHANCE OF TSTMS THIS MORNING, THEN A
CHANCE OF SHOWERS THIS AFTERNOON. PATCHY FOG THIS MORNING.
TONIGHT
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 SHOWERS IN THE EVENING.
THU
NW WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
THU NIGHT
SE WINDS 5 TO 10 KT, BECOMING SW AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
FRI
NW WINDS AROUND 5 KT, BECOMING E IN THE AFTERNOON. WAVES
1 FOOT OR LESS.
FRI NIGHT
SE WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
SAT THROUGH SUN NIGHT
S WINDS 5 TO 10 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.
ANZ236-230000-
NARRAGANSETT BAY-
703 AM EDT WED JUL 22 2026
TODAY
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES 3 TO
5 FT. SHOWERS WITH A CHANCE OF TSTMS THIS MORNING, THEN A SLIGHT
CHANCE OF SHOWERS THIS AFTERNOON. PATCHY FOG THIS MORNING WITH
VSBY 1 TO 3 NM.
TONIGHT
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. WAVES 2 TO 4 FT.
THU
N WINDS 5 TO 10 KT, BECOMING NE IN THE AFTERNOON. WAVES
2 TO 3 FT.
THU NIGHT
S WINDS 5 TO 10 KT, BECOMING W AFTER MIDNIGHT. WAVES
2 TO 3 FT.
FRI
NE WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. WAVES
AROUND 2 FT.
FRI NIGHT
SE WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT.
WAVES AROUND 2 FT.
SAT THROUGH SUN NIGHT
SW WINDS 5 TO 10 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.
ANZ280-230000-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
703 AM EDT WED JUL 22 2026
TODAY
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
8 FT. WAVE DETAIL: S 8 FT AT 8 SECONDS AND SE 6 FT AT 18 SECONDS.
SHOWERS WITH A CHANCE OF TSTMS THIS MORNING, THEN A SLIGHT CHANCE
OF SHOWERS THIS AFTERNOON. PATCHY FOG THIS MORNING WITH VSBY 1 TO
3 NM.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT, BECOMING
W 10 TO 15 KT WITH GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 5 TO
8 FT. WAVE DETAIL: S 7 FT AT 9 SECONDS. PATCHY FOG IN THE
EVENING. SHOWERS LIKELY IN THE EVENING WITH VSBY 1 TO 3 NM.
THU
W WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S 5 FT AT
9 SECONDS.
THU NIGHT
SW WINDS AROUND 5 KT. SEAS 3 TO 5 FT. WAVE DETAIL: S
4 FT AT 8 SECONDS AND SE 2 FT AT 8 SECONDS.
FRI AND FRI NIGHT
SE WINDS AROUND 5 KT. SEAS 2 TO 4 FT. WAVE
DETAIL: SE 3 FT AT 8 SECONDS.
SAT THROUGH SUN NIGHT
SE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT.
WAVE DETAIL: SE 3 FT AT 7 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.
ANZ281-230000-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
703 AM EDT WED JUL 22 2026
TODAY
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 7 TO
10 FT. WAVE DETAIL: S 10 FT AT 9 SECONDS AND SE 6 FT AT
9 SECONDS. PATCHY FOG. SHOWERS LIKELY WITH A CHANCE OF TSTMS THIS
MORNING, THEN A CHANCE OF SHOWERS WITH ISOLATED TSTMS THIS
AFTERNOON. VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM THIS
AFTERNOON.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 7 TO
10 FT. WAVE DETAIL: S 9 FT AT 9 SECONDS AND SE 7 FT AT
10 SECONDS. PATCHY FOG. SHOWERS LIKELY. VSBY 1 TO 3 NM.
THU
W WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING N IN
THE AFTERNOON. SEAS 5 TO 8 FT, SUBSIDING TO 5 TO 6 FT IN THE
AFTERNOON. WAVE DETAIL: S 7 FT AT 9 SECONDS, BECOMING S 6 FT AT
8 SECONDS AND SE 5 FT AT 8 SECONDS. SHOWERS LIKELY, MAINLY IN THE
MORNING. PATCHY FOG IN THE MORNING.
THU NIGHT
NE WINDS AROUND 5 KT. SEAS 4 TO 5 FT. WAVE DETAIL: S
5 FT AT 8 SECONDS AND E 2 FT AT 7 SECONDS.
FRI AND FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 8 SECONDS AND SE 3 FT AT 8 SECONDS.
SAT THROUGH SUN NIGHT
N WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SE 4 FT AT 7 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.
ANZ282-230000-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
703 AM EDT WED JUL 22 2026
TODAY
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 8 TO
10 FT. WAVE DETAIL: SW 10 FT AT 9 SECONDS AND E 5 FT AT
9 SECONDS. PATCHY FOG. SHOWERS LIKELY WITH A CHANCE OF TSTMS THIS
MORNING, THEN SHOWERS LIKELY WITH A SLIGHT CHANCE OF TSTMS THIS
AFTERNOON. VSBY 1 NM OR LESS THIS MORNING.
TONIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 7 TO
10 FT. WAVE DETAIL: S 10 FT AT 9 SECONDS AND SE 7 FT AT
12 SECONDS. PATCHY FOG. SHOWERS LIKELY. A CHANCE OF TSTMS AFTER
MIDNIGHT. VSBY 1 TO 3 NM.
THU
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING NE
5 TO 10 KT IN THE AFTERNOON. SEAS 6 TO 8 FT, SUBSIDING TO 5 TO
6 FT IN THE AFTERNOON. WAVE DETAIL: S 7 FT AT 9 SECONDS AND NE
6 FT AT 9 SECONDS, BECOMING S 6 FT AT 8 SECONDS AND NE 2 FT AT
4 SECONDS. SHOWERS LIKELY, MAINLY IN THE MORNING. PATCHY FOG IN
THE MORNING.
THU NIGHT
NE WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S
5 FT AT 8 SECONDS AND E 2 FT AT 6 SECONDS.
FRI AND FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 7 SECONDS AND E 3 FT AT 7 SECONDS.
SAT THROUGH SUN NIGHT
N WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
WAVE DETAIL: E 4 FT AT 7 SECONDS AND S 2 FT AT 7 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.
ANZ283-230000-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
703 AM EDT WED JUL 22 2026
TODAY
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 8 TO
10 FT. WAVE DETAIL: SW 10 FT AT 9 SECONDS AND E 1 FOOT AT
8 SECONDS. PATCHY FOG. SHOWERS LIKELY WITH A CHANCE OF TSTMS THIS
MORNING. A CHANCE OF SHOWERS THIS AFTERNOON. VSBY 1 TO 3 NM.
TONIGHT
SW WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT AFTER
MIDNIGHT. GUSTS UP TO 30 KT. SEAS 8 TO 9 FT, SUBSIDING TO 6 TO
8 FT AFTER MIDNIGHT. WAVE DETAIL: S 9 FT AT 9 SECONDS AND S 6 FT
AT 13 SECONDS, BECOMING S 8 FT AT 9 SECONDS AND E 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS. PATCHY FOG AFTER MIDNIGHT.
THU
N WINDS AROUND 10 KT, BECOMING NE IN THE AFTERNOON. SEAS
5 TO 7 FT. WAVE DETAIL: S 6 FT AT 9 SECONDS AND N 2 FT AT
6 SECONDS. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS IN THE
MORNING.
THU NIGHT
NE WINDS 5 TO 10 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S
5 FT AT 8 SECONDS AND NE 2 FT AT 8 SECONDS.
FRI AND FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: S 4 FT AT 7 SECONDS AND SE 4 FT AT 8 SECONDS.
SAT THROUGH SUN NIGHT
NE WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
WAVE DETAIL: E 4 FT AT 7 SECONDS AND NE 4 FT AT 13 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.
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