National Weather Service Marine Forecast FZUS51 KBOX
FZUS51 KBOX 152304
CWFBOX
Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 PM EDT Mon Jul 15 2024
Coastal waters from the Merrimack River MA to Watch Hill RI out to 25 NM
ANZ200-161200
704 PM EDT Mon Jul 15 2024
Synopsis for Massachusetts and Rhode Island coastal waters
High pres over the Atlc will generate persistent SW winds through Wed. Marine fog will be possible at times, particularly during the overnight and early morning hours. A few tstms will also be possible at times, particularly near shore during the afternoon and evening hours. A cold front will be finally begin to shift the winds to a W and eventually NW direction Thu or Thu night. A ridge of high pres will build over the waters on Fri.
ANZ250-161200
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary
704 PM EDT Mon Jul 15 2024
TONIGHT
S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: S 3 ft at 6 seconds and SW 2 ft at 3 seconds.
Patchy fog. Showers this evening. Vsby 1 NM or less.
TUE
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SE 3 ft at 8 seconds and SW 2 ft at 3 seconds.
Patchy fog in the morning with vsby 1 NM or less.
TUE NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 4 ft. Wave Detail: SE 3 ft at 8 seconds and SW 2 ft at
3 seconds. Patchy fog in the evening.
WED
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
4 ft. Wave Detail: SE 3 ft at 8 seconds and SW 1 foot at
3 seconds. A chance of showers in the afternoon.
WED NIGHT AND THU
SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 4 ft. Wave Detail: SE 3 ft at 8 seconds and SW 2 ft at
3 seconds. A chance of showers in the evening. Showers likely
through the day, then a chance of showers in the afternoon.
THU NIGHT
SW winds 5 to 10 kt, becoming NW after midnight.
Seas 2 to 3 ft. Wave Detail: SE 2 ft at 9 seconds and W 1 foot at
3 seconds.
FRI THROUGH SAT NIGHT
SW winds 5 to 10 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.
ANZ251-161200
Massachusetts Bay and Ipswich Bay
704 PM EDT Mon Jul 15 2024
TONIGHT
S winds 10 to 15 kt, diminishing to 5 to 10 kt after
midnight. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds.
Showers with a slight chance of tstms this evening. Patchy fog
after midnight with vsby 1 NM or less.
TUE
SW winds 5 to 10 kt, becoming S 10 to 15 kt with gusts up
to 20 kt in the afternoon. Seas 1 foot or less, then around 2 ft
in the afternoon. Wave Detail: SW 1 foot at 2 seconds and SE
1 foot at 5 seconds, becoming SE 2 ft at 6 seconds and SW 1 foot
at 3 seconds. Patchy fog in the morning with vsby 1 NM or less.
TUE NIGHT
SW 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: SE 2 ft at 6 seconds and SW 1 foot at 3 seconds.
WED
SW winds 10 to 15 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. A chance of showers in the afternoon.
WED NIGHT
SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail:
SE 2 ft at 6 seconds and SW 1 foot at 3 seconds. Showers likely.
THU
SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: W
1 foot at 2 seconds and SE 1 foot at 8 seconds. A chance of
showers.
THU NIGHT
W winds 5 to 10 kt, becoming NW after midnight. Seas
1 foot or less.
FRI THROUGH SAT 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.
ANZ231-161200
Cape Cod Bay
704 PM EDT Mon Jul 15 2024
TONIGHT
S winds around 10 kt. Gusts up to 20 kt this evening.
Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at
3 seconds. Patchy fog after midnight with vsby 1 NM or less.
TUE
SW winds 10 to 15 kt. Gusts up to 25 kt in the afternoon.
Seas 2 to 4 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot at
2 seconds. Patchy fog in the morning with vsby 1 to 3 NM.
TUE NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and S 2 ft at
6 seconds.
WED
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 2 ft at 3 seconds and S 2 ft at 7 seconds.
WED NIGHT AND THU
SW winds 10 to 15 kt with gusts up to 20 kt.
Seas 2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and S 2 ft at
7 seconds. A chance of showers in the evening. Showers likely
through the day, then a chance of showers in the afternoon.
THU NIGHT
SW winds 5 to 10 kt, becoming NW after midnight.
Seas around 2 ft. Wave Detail: S 2 ft at 9 seconds and SW 1 foot
at 2 seconds.
FRI THROUGH SAT NIGHT
SW winds 5 to 10 kt. Seas 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.
ANZ254-161200
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm
704 PM EDT Mon Jul 15 2024
TONIGHT
SW winds around 10 kt with gusts up to 20 kt. Seas
around 3 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at
3 seconds. Patchy fog. Vsby 1 NM or less.
TUE
SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at 3 seconds.
Patchy fog in the morning with vsby 1 NM or less.
TUE NIGHT
SW winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. Wave Detail: S 4 ft at 7 seconds and W 2 ft at
3 seconds. Patchy fog in the evening with vsby 1 NM or less.
WED
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
5 ft. Wave Detail: S 5 ft at 7 seconds and SW 1 foot at
3 seconds.
WED NIGHT AND THU
SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 6 ft. Wave Detail: S 5 ft at 8 seconds and W 1 foot at
4 seconds. A chance of showers in the evening, then showers
likely through the day. A chance of showers in the afternoon.
THU NIGHT
SW winds 5 to 10 kt, becoming NW after midnight.
Seas 3 to 5 ft. Wave Detail: S 4 ft at 9 seconds and W 1 foot at
3 seconds.
FRI THROUGH SAT NIGHT
SW winds 5 to 10 kt. Seas 2 to 4 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.
ANZ255-161200
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket
704 PM EDT Mon Jul 15 2024
TONIGHT
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: S 4 ft at 7 seconds and SW 1 foot at
3 seconds. Patchy fog. Vsby 1 NM or less.
TUE
SW winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: S 4 ft at 7 seconds and SW 1 foot at
4 seconds. Patchy fog in the morning with vsby 1 NM or less.
TUE NIGHT
SW winds 10 to 15 kt with gusts up to 25 kt. Seas
4 to 5 ft. Wave Detail: S 5 ft at 7 seconds and SW 1 foot at
3 seconds. Patchy fog in the evening with vsby 1 NM or less.
WED
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. Wave Detail: S 6 ft at 7 seconds and SW 1 foot at
4 seconds.
WED NIGHT AND THU
W winds 15 to 20 kt with gusts up to 25 kt.
Seas 5 to 7 ft. Wave Detail: S 7 ft at 8 seconds and SW 1 foot at
3 seconds. A chance of showers in the evening. Showers likely
through the day, then a chance of showers in the afternoon.
THU NIGHT
SW winds around 10 kt, becoming NW after midnight.
Seas 4 to 6 ft. Wave Detail: S 6 ft at 8 seconds. A chance of
showers.
FRI
NE winds 5 to 10 kt. Seas 3 to 5 ft.
FRI NIGHT THROUGH SAT NIGHT
SW winds 5 to 10 kt. Seas 2 to
4 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.
ANZ256-161200
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island
704 PM EDT Mon Jul 15 2024
TONIGHT
SW winds around 10 kt with gusts up to 20 kt. Seas
3 to 4 ft. Wave Detail: S 4 ft at 8 seconds. Patchy fog. Vsby
1 NM or less.
TUE
SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft
at 7 seconds. Patchy fog in the morning.
TUE 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 7 seconds. Patchy fog in the evening with vsby 1 to 3 NM.
WED
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 4 to
6 ft. Wave Detail: S 5 ft at 7 seconds.
WED 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. Showers likely. A chance of tstms after
midnight.
THU
W winds 10 to 15 kt. Seas 5 to 6 ft. Wave Detail: S 6 ft
at 8 seconds. Showers likely in the morning. A chance of showers
in the afternoon.
THU NIGHT
W winds 5 to 10 kt, becoming NW after midnight. Seas
4 to 6 ft. A chance of showers in the evening.
FRI THROUGH SAT 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.
ANZ232-161200
Nantucket Sound
704 PM EDT Mon Jul 15 2024
TONIGHT
SW winds around 10 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: SW 2 ft at 3 seconds and S 2 ft at
7 seconds. Patchy fog. Vsby 1 NM or less.
TUE
SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: SW 2 ft at 3 seconds and S 1 foot at
7 seconds. Patchy fog in the morning with vsby 1 NM or less.
TUE NIGHT
SW winds 10 to 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. Wave Detail: SW 2 ft at 3 seconds and S 2 ft at
7 seconds. Patchy fog in the evening with vsby 1 NM or less.
WED
SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: SW 3 ft at 4 seconds and S 2 ft at 7 seconds.
WED NIGHT AND THU
SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and S 2 ft at
8 seconds. A chance of showers in the evening. Showers likely
through the day, then a chance of showers in the afternoon.
THU NIGHT
SW winds around 10 kt, becoming NW after midnight.
Seas 2 to 3 ft. Wave Detail: S 2 ft at 9 seconds and SW 1 foot at
3 seconds.
FRI THROUGH SAT NIGHT
SW winds 5 to 10 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.
ANZ233-161200
Vineyard Sound
704 PM EDT Mon Jul 15 2024
TONIGHT
SW winds around 10 kt. Seas around 2 ft. Wave Detail:
S 2 ft at 7 seconds and SW 1 foot at 4 seconds. Patchy fog. Vsby
1 NM or less.
TUE
SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: S 3 ft at 7 seconds and SW 2 ft at 3 seconds.
Patchy fog in the morning with vsby 1 to 3 NM.
TUE NIGHT
SW winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds. Patchy fog in the
evening with vsby 1 to 3 NM.
WED
SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft
at 7 seconds and SW 2 ft at 3 seconds.
WED NIGHT AND THU
SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave
Detail: S 4 ft at 7 seconds and SW 2 ft at 4 seconds. A chance of
showers in the evening. Showers likely through the day, then a
chance of showers in the afternoon.
THU NIGHT
W winds 5 to 10 kt, becoming N after midnight. Seas
2 to 4 ft. Wave Detail: S 3 ft at 8 seconds and SW 1 foot at
3 seconds. A chance of showers in the evening.
FRI THROUGH SAT NIGHT
SW winds 5 to 10 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.
ANZ234-161200
Buzzards Bay
704 PM EDT Mon Jul 15 2024
TONIGHT
SW winds around 10 kt. Gusts up to 20 kt this evening.
Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and SW 1 foot
at 4 seconds. Patchy fog. A chance of showers this evening. Vsby
1 NM or less.
TUE
SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: SW 2 ft at 5 seconds. Patchy fog in the
morning.
TUE NIGHT
SW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail:
SW 2 ft at 5 seconds. Patchy fog in the evening with vsby 1 to
3 NM.
WED
SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 4 ft. Wave Detail: SW
3 ft at 4 seconds and S 3 ft at 7 seconds.
WED NIGHT AND THU
SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 3 to 4 ft. Wave Detail: SW 3 ft at 4 seconds and S 3 ft at
7 seconds. A chance of showers in the evening. Showers likely
through the day, then a chance of showers in the afternoon.
THU NIGHT
SW winds 5 to 10 kt, becoming N after midnight. Seas
2 to 3 ft. Wave Detail: SW 3 ft at 8 seconds and SW 1 foot at
3 seconds.
FRI THROUGH SAT NIGHT
SW winds 5 to 10 kt. Seas 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.
ANZ235-161200
Rhode Island Sound
704 PM EDT Mon Jul 15 2024
TONIGHT
SW winds around 10 kt. Seas 2 to 3 ft. Wave Detail: S
3 ft at 7 seconds and SW 1 foot at 3 seconds. Patchy fog. Vsby
1 NM or less.
TUE
SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: S 4 ft at 7 seconds and SW 1 foot at
4 seconds.
TUE NIGHT
SW winds 10 to 15 kt with gusts up to 25 kt. Seas
3 to 5 ft. Wave Detail: S 5 ft at 7 seconds and SW 1 foot at
3 seconds. Patchy fog in the evening with vsby 1 to 3 NM.
WED
SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft
at 7 seconds and SW 1 foot at 3 seconds.
WED NIGHT AND THU
SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 4 to 5 ft. Wave Detail: S 5 ft at 8 seconds and SW 1 foot at
3 seconds. Showers likely .
THU NIGHT
W winds 5 to 10 kt, becoming N after midnight. Seas
3 to 5 ft. Wave Detail: S 5 ft at 8 seconds. A chance of showers
in the evening.
FRI THROUGH SAT NIGHT
SW winds 5 to 10 kt. Seas 2 to 4 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.
ANZ237-161200
Block Island Sound
704 PM EDT Mon Jul 15 2024
TONIGHT
SW winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S
3 ft at 8 seconds. Patchy fog. Vsby 1 NM or less.
TUE
SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 25 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S 3 ft
at 7 seconds and SW 1 foot at 3 seconds. Patchy fog in the
morning.
TUE NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt. Seas
3 to 4 ft. Wave Detail: S 4 ft at 7 seconds and SW 1 foot at
3 seconds. Patchy fog. Vsby 1 to 3 NM in the evening.
WED
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to
5 ft. Wave Detail: S 4 ft at 7 seconds. A chance of showers in
the afternoon.
WED NIGHT
SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 4 to 5 ft. Wave Detail: S 5 ft at 8 seconds and SW
1 foot at 3 seconds. Showers likely with a chance of tstms.
THU
W winds 5 to 10 kt. Seas 3 to 5 ft. Wave Detail: S 5 ft at
8 seconds. Showers likely, mainly in the morning.
THU NIGHT
W winds 5 to 10 kt, becoming N after midnight. Seas
3 to 4 ft. A chance of showers in the evening.
FRI THROUGH SAT 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.
ANZ230-161200
Boston Harbor
704 PM EDT Mon Jul 15 2024
TONIGHT
S winds 5 to 10 kt. Waves 1 foot or less. A chance of
showers with a slight chance of tstms this evening. Patchy fog
after midnight with vsby 1 NM or less.
TUE
SW winds 5 to 10 kt, increasing to 10 to 15 kt with gusts
up to 20 kt in the afternoon. Waves 1 foot or less, then around
2 ft in the afternoon. A chance of showers in the afternoon.
TUE NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Waves around 2 ft.
WED
SW winds 10 to 15 kt. Waves 1 foot or less. A chance of
showers in the afternoon.
WED NIGHT
SW winds 5 to 10 kt. Waves 1 foot or less. Showers
likely.
THU
W winds 5 to 10 kt. Waves 1 foot or less. A chance of
showers.
THU NIGHT
W winds 5 to 10 kt, becoming NW after midnight.
Waves 1 foot or less.
FRI THROUGH SAT 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.
ANZ236-161200
Narragansett Bay
704 PM EDT Mon Jul 15 2024
TONIGHT
S winds 5 to 10 kt. Waves 2 to 3 ft. Patchy fog. Vsby
1 NM or less.
TUE
SW winds 5 to 10 kt, increasing to 15 to 20 kt with gusts
up to 25 kt in the afternoon. Waves 2 to 3 ft.
TUE NIGHT
SW winds 10 to 15 kt, diminishing to 5 to 10 kt
after midnight. Gusts up to 20 kt. Waves 2 to 4 ft. Patchy fog in
the evening.
WED
SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
4 ft. A chance of showers in the afternoon.
WED NIGHT
SW winds 10 to 15 kt with gusts up to 20 kt,
diminishing to 5 to 10 kt after midnight. Waves 2 to 4 ft.
Showers likely. A chance of tstms in the evening.
THU
W winds 5 to 10 kt. Waves 2 to 4 ft. Showers likely,
mainly in the morning.
THU NIGHT
W winds 5 to 10 kt, becoming N after midnight. Waves
2 to 4 ft. A chance of showers in the evening.
FRI THROUGH SAT NIGHT
SW winds 5 to 10 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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