542
FZUS51 KBOX 150505
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
105 AM EDT FRI AUG 15 2025
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 25 NM
ANZ200-151800-
105 AM EDT FRI AUG 15 2025
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
SCATTERED SHOWERS POSSIBLE ON THURSDAY. A COLD FRONT WILL CROSS THE
WATERS THU NIGHT INTO FRI. HIGH PRESSURE RETURN FRIDAY INTO THE
WEEKEND.
ANZ250-151800-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
105 AM EDT FRI AUG 15 2025
REST OF TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 7 SECONDS AND NW 1 FOOT
AT 2 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
4 FT. WAVE DETAIL: NE 4 FT AT 5 SECONDS AND SE 1 FOOT AT
4 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
3 FT AT 5 SECONDS AND SE 2 FT AT 8 SECONDS.
SAT
NE WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 6 SECONDS AND E 1 FOOT AT
15 SECONDS.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 3 SECONDS AND E 2 FT AT
8 SECONDS.
SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 2 FT AT 7 SECONDS. A
CHANCE OF SHOWERS AND TSTMS IN THE AFTERNOON.
SUN NIGHT
W WINDS 15 TO 20 KT, BECOMING N AFTER MIDNIGHT.
GUSTS UP TO 30 KT. SEAS 3 TO 5 FT. A CHANCE OF SHOWERS. A CHANCE
OF TSTMS IN THE EVENING.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT.
MON NIGHT THROUGH TUE NIGHT
S 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.
ANZ251-151800-
MASSACHUSETTS BAY AND IPSWICH BAY-
105 AM EDT FRI AUG 15 2025
REST OF TONIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT AT 6 SECONDS AND NW 1 FOOT
AT 2 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 3 FT AT 4 SECONDS AND SE 1 FOOT AT
4 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
E WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: NE 3 FT AT 5 SECONDS AND S 1 FOOT AT
7 SECONDS.
SAT
NE WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 6 SECONDS AND E 1 FOOT AT
15 SECONDS.
SAT NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
AROUND 2 FT. WAVE DETAIL: E 2 FT AT 5 SECONDS AND E 1 FOOT AT
8 SECONDS.
SUN AND SUN NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: E 3 FT AT 7 SECONDS AND W 2 FT AT
3 SECONDS. A CHANCE OF SHOWERS. A CHANCE OF TSTMS THROUGH THE
NIGHT.
MON THROUGH TUE NIGHT
S 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.
ANZ231-151800-
CAPE COD BAY-
105 AM EDT FRI AUG 15 2025
REST OF TONIGHT
N WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: NW 1 FOOT AT 2 SECONDS AND S
1 FOOT AT 4 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
FRI
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT 3 SECONDS AND S 1 FOOT AT
5 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
N 2 FT AT 5 SECONDS AND S 1 FOOT AT 7 SECONDS.
SAT
E WINDS AROUND 5 KT. SEAS AROUND 2 FT. WAVE DETAIL: N
1 FOOT AT 4 SECONDS AND S 1 FOOT AT 6 SECONDS.
SAT NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL: S
1 FOOT AT 2 SECONDS AND NE 1 FOOT AT 5 SECONDS.
SUN AND SUN NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND NE 2 FT AT
6 SECONDS. A CHANCE OF SHOWERS. A CHANCE OF TSTMS THROUGH THE
NIGHT.
MON THROUGH TUE
E WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 2 TO 4 FT.
TUE NIGHT
SE WINDS AROUND 10 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.
ANZ254-151800-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
105 AM EDT FRI AUG 15 2025
REST OF TONIGHT
N WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 9 SECONDS AND W 1 FOOT
AT 3 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 3 FT AT 4 SECONDS AND S 2 FT AT 7 SECONDS.
PATCHY FOG. VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM IN THE
AFTERNOON.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS 2 TO 4 FT. WAVE DETAIL: NE
3 FT AT 5 SECONDS AND S 2 FT AT 7 SECONDS. PATCHY FOG IN THE
EVENING WITH VSBY 1 NM OR LESS.
SAT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: N 2 FT AT
5 SECONDS AND SE 2 FT AT 9 SECONDS.
SAT NIGHT
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE
2 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS.
SUN AND SUN NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND NW 3 FT AT
4 SECONDS. A CHANCE OF SHOWERS. A CHANCE OF TSTMS THROUGH THE
NIGHT.
MON THROUGH TUE NIGHT
SE WINDS 15 TO 20 KT WITH GUSTS UP TO
30 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.
ANZ255-151800-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
105 AM EDT FRI AUG 15 2025
REST OF TONIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 9 SECONDS AND SW 1 FOOT AT 5 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 2 FT AT 6 SECONDS AND S 2 FT AT 7 SECONDS.
PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
BECOMING E 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: N 2 FT AT 4 SECONDS AND S 2 FT AT 7 SECONDS. PATCHY FOG.
VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.
SAT
E WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL: NE 2 FT
AT 4 SECONDS AND SE 1 FOOT AT 7 SECONDS.
SAT NIGHT AND SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 2 FT AT
6 SECONDS.
SUN NIGHT
SW WINDS AROUND 15 KT, BECOMING NW AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: W 3 FT AT
5 SECONDS AND SW 3 FT AT 5 SECONDS. A CHANCE OF SHOWERS. A CHANCE
OF TSTMS IN THE EVENING.
MON
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. A CHANCE OF SHOWERS.
MON NIGHT THROUGH TUE NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP
TO 20 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.
ANZ256-151800-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
105 AM EDT FRI AUG 15 2025
REST OF TONIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SE 2 FT AT 9 SECONDS AND SW 1 FOOT AT 4 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
FRI
NE 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 S 2 FT AT 7 SECONDS.
PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
E WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 4 SECONDS AND S 2 FT AT 7 SECONDS. PATCHY FOG.
VSBY 1 NM OR LESS, INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.
SAT
NE WINDS 5 TO 10 KT, BECOMING E IN THE AFTERNOON. SEAS
2 TO 3 FT. WAVE DETAIL: E 2 FT AT 4 SECONDS AND SE 1 FOOT AT
7 SECONDS.
SAT NIGHT AND SUN
SW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 2 FT AT
4 SECONDS.
SUN NIGHT
SW WINDS AROUND 15 KT, BECOMING N AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 3 TO 4 FT. WAVE DETAIL: NW 3 FT AT
5 SECONDS AND SW 3 FT AT 5 SECONDS. A CHANCE OF SHOWERS. A CHANCE
OF TSTMS IN THE EVENING.
MON
NE WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. A CHANCE OF SHOWERS.
MON NIGHT THROUGH TUE NIGHT
E WINDS 15 TO 20 KT WITH GUSTS UP
TO 25 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.
ANZ232-151800-
NANTUCKET SOUND-
105 AM EDT FRI AUG 15 2025
REST OF TONIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: W 1 FOOT AT 3 SECONDS AND S 1 FOOT AT 4 SECONDS. PATCHY
FOG. VSBY 1 NM OR LESS.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: NE 2 FT AT 3 SECONDS AND SW 1 FOOT AT
5 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 NM OR LESS.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
NE 2 FT AT 4 SECONDS AND S 1 FOOT AT 7 SECONDS.
SAT
NE WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT
7 SECONDS.
SAT NIGHT AND SUN
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 1 FOOT AT
4 SECONDS.
SUN NIGHT
SW WINDS 15 TO 20 KT, BECOMING N AFTER MIDNIGHT.
GUSTS UP TO 25 KT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT
4 SECONDS AND E 1 FOOT AT 6 SECONDS. A CHANCE OF SHOWERS. A
CHANCE OF TSTMS IN THE EVENING.
MON
NE WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS AROUND
3 FT. A CHANCE OF SHOWERS.
MON NIGHT THROUGH TUE NIGHT
SE 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.
ANZ233-151800-
VINEYARD SOUND-
105 AM EDT FRI AUG 15 2025
REST OF TONIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 4 SECONDS AND NE 1 FOOT AT 6 SECONDS. PATCHY
FOG. VSBY 1 TO 3 NM.
FRI
NE WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE MORNING.
SEAS 2 TO 3 FT. WAVE DETAIL: N 1 FOOT AT 4 SECONDS AND SW 1 FOOT
AT 5 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
NE WINDS AROUND 10 KT, DIMINISHING TO AROUND 5 KT
AFTER MIDNIGHT. SEAS AROUND 2 FT. WAVE DETAIL: N 1 FOOT AT
4 SECONDS AND S 1 FOOT AT 7 SECONDS. PATCHY FOG IN THE EVENING
WITH VSBY 1 TO 3 NM.
SAT
NE WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: NE 1 FOOT AT 2 SECONDS AND SE 1 FOOT AT
7 SECONDS.
SAT NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT IN THE EVENING,
THEN 1 FOOT OR LESS. WAVE DETAIL: SE 1 FOOT AT 4 SECONDS AND SE
1 FOOT AT 9 SECONDS, BECOMING SW 1 FOOT AT 3 SECONDS AND E 1 FOOT
AT 5 SECONDS.
SUN AND SUN NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND E 1 FOOT AT
5 SECONDS. A CHANCE OF SHOWERS. A CHANCE OF TSTMS THROUGH THE
NIGHT.
MON THROUGH TUE 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.
ANZ234-151800-
BUZZARDS BAY-
105 AM EDT FRI AUG 15 2025
REST OF TONIGHT
N WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 1 FOOT AT 4 SECONDS AND E 1 FOOT AT 6 SECONDS. PATCHY
FOG. VSBY 1 TO 3 NM.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NE 1 FOOT AT 3 SECONDS AND SW 1 FOOT AT
4 SECONDS. PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
NE WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
N 1 FOOT AT 4 SECONDS AND S 1 FOOT AT 6 SECONDS.
SAT
NE WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. SEAS
1 FOOT OR LESS. WAVE DETAIL: NE 1 FOOT AT 2 SECONDS AND SE 1 FOOT
AT 7 SECONDS.
SAT NIGHT
S WINDS 5 TO 10 KT. SEAS 1 FOOT OR LESS. WAVE
DETAIL: S 1 FOOT AT 3 SECONDS AND E 1 FOOT AT 4 SECONDS.
SUN AND SUN NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND E 1 FOOT AT
6 SECONDS. A CHANCE OF SHOWERS. A CHANCE OF TSTMS THROUGH THE
NIGHT.
MON THROUGH TUE 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.
ANZ235-151800-
RHODE ISLAND SOUND-
105 AM EDT FRI AUG 15 2025
REST OF TONIGHT
N WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: SW 1 FOOT AT 4 SECONDS AND E
1 FOOT AT 7 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
FRI
NE 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 SE 2 FT AT 8 SECONDS.
PATCHY FOG IN THE MORNING WITH VSBY 1 TO 3 NM.
FRI NIGHT
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 2 FT AT 4 SECONDS AND S 2 FT AT 8 SECONDS. PATCHY FOG
IN THE EVENING WITH VSBY 1 NM OR LESS.
SAT
NE WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 7 SECONDS AND NE 1 FOOT AT
4 SECONDS.
SAT NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 2 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
SUN AND SUN NIGHT
N WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND E 1 FOOT AT
5 SECONDS. A CHANCE OF SHOWERS. A CHANCE OF TSTMS THROUGH THE
NIGHT.
MON THROUGH TUE 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.
ANZ237-151800-
BLOCK ISLAND SOUND-
105 AM EDT FRI AUG 15 2025
REST OF TONIGHT
N WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: SE 2 FT AT 9 SECONDS AND NE 1 FOOT
AT 3 SECONDS. PATCHY FOG. VSBY 1 NM OR LESS.
FRI
NE 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 SE 2 FT AT 8 SECONDS.
FRI NIGHT
E WINDS 5 TO 10 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: E 2 FT AT 4 SECONDS AND S
2 FT AT 7 SECONDS.
SAT
NE WINDS 5 TO 10 KT, BECOMING SE IN THE AFTERNOON. SEAS
AROUND 2 FT. WAVE DETAIL: E 1 FOOT AT 4 SECONDS AND SE 1 FOOT AT
7 SECONDS.
SAT NIGHT
S WINDS 5 TO 10 KT. SEAS AROUND 2 FT. WAVE DETAIL:
SE 1 FOOT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS.
SUN AND SUN NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 3 FT. WAVE DETAIL: S 3 FT AT 5 SECONDS AND NW 2 FT AT
3 SECONDS. A CHANCE OF SHOWERS. A CHANCE OF TSTMS THROUGH THE
NIGHT.
MON THROUGH TUE 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.
ANZ230-151800-
BOSTON HARBOR-
105 AM EDT FRI AUG 15 2025
REST OF TONIGHT
N WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT. PATCHY FOG. VSBY 1 TO 3 NM.
FRI
NE WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. WAVES AROUND
2 FT.
FRI NIGHT
E WINDS 5 TO 10 KT, BECOMING NE AFTER MIDNIGHT.
WAVES 1 FOOT OR LESS.
SAT
NE WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. WAVES
1 FOOT OR LESS, THEN AROUND 2 FT IN THE AFTERNOON.
SAT NIGHT
S WINDS AROUND 10 KT. WAVES 1 FOOT OR LESS.
SUN AND SUN NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT. A CHANCE OF SHOWERS. A CHANCE OF TSTMS THROUGH
THE NIGHT.
MON THROUGH TUE NIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO
20 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.
ANZ236-151800-
NARRAGANSETT BAY-
105 AM EDT FRI AUG 15 2025
REST OF TONIGHT
N WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT.
WAVES AROUND 2 FT. PATCHY FOG. VSBY 1 TO 3 NM.
FRI
NE WINDS AROUND 10 KT. GUSTS UP TO 20 KT IN THE MORNING.
WAVES 2 TO 3 FT.
FRI NIGHT
NE WINDS 5 TO 10 KT. WAVES AROUND 2 FT.
SAT
NE WINDS AROUND 5 KT, BECOMING SE IN THE AFTERNOON. WAVES
AROUND 2 FT.
SAT NIGHT
S WINDS 5 TO 10 KT. WAVES AROUND 2 FT IN THE
EVENING, THEN 1 FOOT OR LESS.
SUN AND SUN NIGHT
N WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
WAVES 2 TO 3 FT. A CHANCE OF SHOWERS. A CHANCE OF TSTMS THROUGH
THE NIGHT.
MON THROUGH TUE NIGHT
SE WINDS 10 TO 15 KT WITH GUSTS UP TO
20 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.
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