096
FZUS51 KBOX 060208
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1007 PM EDT Sat Jul 5 2025

Coastal waters from the Merrimack River MA to Watch Hill RI out
to 25 NM

ANZ200-061500-
1007 PM EDT Sat Jul 5 2025

.Synopsis for Massachusetts and Rhode Island coastal waters...
High pressure settles south of the region Sunday into next week. Low
pressure approaches with a surface cold front Tuesday, followed by
unsettled conditions mid to late week.

$$

ANZ250-061500-
Coastal waters east of Ipswich Bay and the Stellwagen Bank
National Marine Sanctuary-
1007 PM EDT Sat Jul 5 2025

...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH
LATE SUNDAY NIGHT...

.OVERNIGHT...SW winds around 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at
8 seconds.
.SUN...SW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to
4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 1 foot at
8 seconds.
.SUN NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
3 to 5 ft. Wave Detail: SW 4 ft at 5 seconds and SE 1 foot at
8 seconds.
.MON...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 1 foot at
9 seconds.
.MON NIGHT...SW winds 15 to 20 kt with gusts up to 30 kt. Seas
2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and E 1 foot at
9 seconds. A chance of showers after midnight.
.TUE...S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at
10 seconds. A chance of showers in the morning, then showers
likely with a chance of tstms in the afternoon. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt,
becoming W after midnight. Seas 2 to 3 ft. A chance of showers
and tstms. Vsby 1 to 3 NM in the evening.
.WED...N winds 5 to 10 kt. Seas around 2 ft. A chance of showers.
.WED NIGHT AND THU...E winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...E winds around 10 kt. Seas 2 to 3 ft. A chance of
showers.

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.

$$

ANZ251-061500-
Massachusetts Bay and Ipswich Bay-
1007 PM EDT Sat Jul 5 2025

.OVERNIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 2 ft. Wave Detail: SW 2 ft at 3 seconds and NE 1 foot at
3 seconds.
.SUN...SW winds 10 to 15 kt, increasing to 15 to 20 kt in the
afternoon. Gusts up to 25 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft
at 4 seconds and E 1 foot at 8 seconds.
.SUN NIGHT...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
8 seconds.
.MON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: SW 2 ft at 4 seconds and E 1 foot at
8 seconds.
.MON NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt
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 9 seconds. A chance of
showers after midnight.
.TUE AND TUE NIGHT...W 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 E 1 foot at
9 seconds. Showers likely with a chance of tstms. Vsby 1 to 3 NM.
.WED...NE winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.
.WED NIGHT...E winds 5 to 10 kt. Seas around 2 ft.
.THU AND THU NIGHT...E winds 5 to 10 kt. Seas around 2 ft. A
chance of showers.

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.

$$

ANZ231-061500-
Cape Cod Bay-
1007 PM EDT Sat Jul 5 2025

.OVERNIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: N 1 foot at 4 seconds and SW 1 foot at
4 seconds.
.SUN...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at
8 seconds.
.SUN NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at
8 seconds.
.MON...SW winds 10 to 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at
8 seconds.
.MON NIGHT AND TUE...SW winds 10 to 15 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot
at 9 seconds. A chance of showers. A chance of tstms after
midnight, then a chance of tstms in the afternoon. Vsby 1 to
3 NM.
.TUE NIGHT...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: SW 2 ft at 4 seconds and E 1 foot at 9 seconds. A chance
of showers and tstms.
.WED...N winds 5 to 10 kt. Seas 1 foot or less. A chance of
showers.
.WED NIGHT AND THU...E winds 5 to 10 kt. Seas 1 foot or less,
then around 2 ft.
.THU NIGHT...E winds 5 to 10 kt. Seas around 2 ft. A chance of
showers.

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.

$$

ANZ254-061500-
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA
out 20 nm-
1007 PM EDT Sat Jul 5 2025

.OVERNIGHT...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 SE 1 foot at
8 seconds.
.SUN...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 1 foot at
8 seconds. Patchy fog in the afternoon with vsby 1 to 3 NM.
.SUN NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at
8 seconds.
.MON...SW winds around 15 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at
9 seconds.
.MON NIGHT...SW winds around 15 kt with gusts up to 25 kt. Seas
3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and E 1 foot at
9 seconds. A chance of showers after midnight.
.TUE AND TUE NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt.
Seas 2 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 1 foot
at 9 seconds. A chance of showers and tstms. Vsby 1 to 3 NM.
.WED...W winds around 10 kt. Seas 2 to 4 ft. A chance of showers
and tstms.
.WED NIGHT AND THU...E winds 5 to 10 kt. Seas 2 to 4 ft.
.THU NIGHT...E winds around 10 kt. Seas 2 to 3 ft. A chance of
showers.

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.

$$

ANZ255-061500-
Coastal Waters extending out to 25 nm South of Marthas Vineyard
and Nantucket-
1007 PM EDT Sat Jul 5 2025

.OVERNIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and SW 2 ft at
3 seconds.
.SUN...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to
4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at
8 seconds. Patchy fog. Vsby 1 NM or less.
.SUN NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: S
4 ft at 7 seconds and SE 1 foot at 15 seconds. Patchy fog in the
evening with vsby 1 NM or less.
.MON...SW winds around 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 1 foot at
8 seconds.
.MON NIGHT THROUGH TUE NIGHT...SW winds 15 to 20 kt with gusts up
to 25 kt. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and
SE 1 foot at 9 seconds. A chance of showers and tstms. Vsby 1 to
3 NM.
.WED...W winds 10 to 15 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft
at 7 seconds and W 1 foot at 3 seconds. A chance of showers and
tstms.
.WED NIGHT...S winds around 10 kt. Seas 3 to 5 ft.
.THU...E winds around 10 kt. Seas 2 to 4 ft.
.THU NIGHT...E winds around 10 kt. Seas 2 to 3 ft. A chance of
showers.

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.

$$

ANZ256-061500-
Coastal Waters from Montauk NY to Marthas Vineyard extending out
to 20 nm South of Block Island-
1007 PM EDT Sat Jul 5 2025

.OVERNIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
around 3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at
16 seconds.
.SUN...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: SW 3 ft
at 5 seconds and SE 1 foot at 8 seconds. Patchy fog. Vsby 1 NM or
less.
.SUN NIGHT...SW winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail:
SW 4 ft at 5 seconds and SE 1 foot at 9 seconds. Patchy fog in
the evening with vsby 1 NM or less.
.MON...SW winds around 15 kt with gusts up to 20 kt. Seas 3 to
4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 1 foot at
8 seconds.
.MON NIGHT THROUGH TUE NIGHT...SW winds 15 to 20 kt with gusts up
to 25 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds and SE
1 foot at 9 seconds. A chance of showers and tstms.
.WED...SW winds around 10 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft
at 7 seconds and SE 1 foot at 12 seconds. A chance of showers and
tstms.
.WED NIGHT...S winds around 10 kt. Seas 3 to 5 ft.
.THU AND THU NIGHT...E winds 10 to 15 kt. Seas 3 to 4 ft. A
chance of showers.

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.

$$

ANZ232-061500-
Nantucket Sound-
1007 PM EDT Sat Jul 5 2025

.OVERNIGHT...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 SE 2 ft at
7 seconds.
.SUN...SW winds 15 to 20 kt with gusts up to 25 kt. Seas around
3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot at
8 seconds.
.SUN NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
around 3 ft. Wave Detail: SW 2 ft at 4 seconds and SE 1 foot at
8 seconds.
.MON...SW winds 15 to 20 kt. Seas 2 to 3 ft. Wave Detail: SW 2 ft
at 5 seconds and SE 1 foot at 8 seconds.
.MON NIGHT THROUGH TUE NIGHT...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
SE 1 foot at 9 seconds. A chance of showers and tstms.
.WED...W winds around 10 kt. Seas 2 to 3 ft. Wave Detail: W 2 ft
at 3 seconds and S 2 ft at 7 seconds. A chance of showers and
tstms.
.WED NIGHT AND THU...E winds 5 to 10 kt, increasing to 10 to
15 kt. Seas 2 to 3 ft.
.THU NIGHT...E winds around 10 kt. Seas around 2 ft. A chance of
showers.

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.

$$

ANZ233-061500-
Vineyard Sound-
1007 PM EDT Sat Jul 5 2025

.OVERNIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot at
16 seconds.
.SUN...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at
8 seconds.
.SUN NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at
8 seconds.
.MON...SW winds around 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at
8 seconds.
.MON NIGHT...SW winds around 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at
9 seconds. A chance of showers and tstms after midnight.
.TUE...SW winds around 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: S 3 ft at 6 seconds and SW 1 foot at
3 seconds. A chance of tstms. Showers likely in the morning, then
a chance of showers in the afternoon.
.TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. A chance of showers and tstms.
.WED...SW winds around 10 kt. Seas 2 to 3 ft. A chance of showers
and tstms.
.WED NIGHT AND THU...SE winds 5 to 10 kt. Seas 2 to 3 ft.
.THU NIGHT...E winds around 10 kt. Seas around 2 ft. A chance of
showers.

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.

$$

ANZ234-061500-
Buzzards Bay-
1007 PM EDT Sat Jul 5 2025

.OVERNIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot at
8 seconds.
.SUN...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at
8 seconds.
.SUN NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
2 to 4 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at
8 seconds.
.MON...SW winds around 15 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: SW 2 ft at 5 seconds and SE 1 foot at
8 seconds.
.MON NIGHT...SW winds around 15 kt with gusts up to 25 kt. Seas
2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at
9 seconds. A chance of showers and tstms after midnight.
.TUE...SW winds around 15 kt with gusts up to 25 kt. Seas 2 to
3 ft. Wave Detail: SW 3 ft at 5 seconds and E 1 foot at
9 seconds. Showers likely. A chance of tstms in the afternoon.
.TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. A chance of showers and tstms.
.WED...W winds around 10 kt. Seas around 2 ft. A chance of
showers.
.WED NIGHT AND THU...SE winds 5 to 10 kt. Seas around 2 ft.
.THU NIGHT...E winds around 10 kt. Seas around 2 ft. A chance of
showers.

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.

$$

ANZ235-061500-
Rhode Island Sound-
1007 PM EDT Sat Jul 5 2025

.OVERNIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at
16 seconds.
.SUN...SW winds 15 to 20 kt with gusts up to 25 kt. Seas 2 to
4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 1 foot at
8 seconds.
.SUN NIGHT...SW winds 15 to 20 kt with gusts up to 25 kt. Seas
3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and SE 1 foot at
8 seconds.
.MON...SW winds around 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at
8 seconds.
.MON NIGHT...SW winds around 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
4 seconds. A chance of showers and tstms after midnight.
.TUE...SW winds around 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. A chance of tstms. Showers likely in the morning, then
a chance of showers in the afternoon.
.TUE NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Seas 2 to 3 ft. A chance of showers and tstms.
.WED...SW winds around 10 kt. Seas 2 to 4 ft. A chance of
showers.
.WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft.
.THU AND THU NIGHT...E winds 10 to 15 kt. Seas 2 to 3 ft. A
chance of showers.

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.

$$

ANZ237-061500-
Block Island Sound-
1007 PM EDT Sat Jul 5 2025

.OVERNIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at
8 seconds.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at
8 seconds.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Seas
2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at
8 seconds.
.MON...SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 3 ft at 5 seconds and SE 1 foot at
8 seconds.
.MON NIGHT THROUGH TUE NIGHT...SW winds 10 to 15 kt with gusts up
to 20 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and W
1 foot at 3 seconds. A chance of showers and tstms.
.WED...SW winds 5 to 10 kt. Seas 2 to 4 ft. Wave Detail: S 4 ft
at 7 seconds and W 1 foot at 3 seconds. A chance of showers.
.WED NIGHT...SE winds 5 to 10 kt. Seas 2 to 4 ft.
.THU AND THU NIGHT...E winds 5 to 10 kt. Seas 2 to 3 ft. A chance
of showers.

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.

$$

ANZ230-061500-
Boston Harbor-
1007 PM EDT Sat Jul 5 2025

.OVERNIGHT...SW winds 10 to 15 kt. Waves around 2 ft.
.SUN...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft.
.MON...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft.
.MON NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves
around 2 ft. A chance of showers after midnight.
.TUE AND TUE NIGHT...W winds 10 to 15 kt with gusts up to 20 kt.
Waves around 2 ft. Showers likely. A chance of tstms. A chance of
showers after midnight. Vsby 1 to 3 NM.
.WED...NE winds 5 to 10 kt. Waves 1 foot or less. A chance of
showers.
.WED NIGHT...E winds 5 to 10 kt. Waves 1 foot or less.
.THU AND THU NIGHT...E winds 5 to 10 kt. Waves around 2 ft, then
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.

$$

ANZ236-061500-
Narragansett Bay-
1007 PM EDT Sat Jul 5 2025

.OVERNIGHT...SW winds around 10 kt. Waves around 2 ft.
.SUN...SW winds 10 to 15 kt with gusts up to 25 kt. Waves 2 to
3 ft.
.SUN NIGHT...SW winds 10 to 15 kt with gusts up to 20 kt. Waves
2 to 3 ft.
.MON...SW winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to
3 ft.
.MON NIGHT...SW winds 10 to 15 kt. Gusts up to 20 kt in the
evening. Waves 2 to 3 ft. A chance of showers and tstms after
midnight.
.TUE...SW winds 10 to 15 kt with gusts up to 20 kt. Waves around
2 ft. Showers likely with a chance of tstms. Vsby 1 to 3 NM.
.TUE NIGHT...SW winds 5 to 10 kt. Gusts up to 20 kt in the
evening. Waves around 2 ft. A chance of showers and tstms. Vsby
1 to 3 NM in the evening.
.WED...W winds 5 to 10 kt. Waves around 2 ft. A chance of
showers.
.WED NIGHT...SE winds 5 to 10 kt. Waves around 2 ft.
.THU...E winds 5 to 10 kt. Waves around 2 ft. A chance of
showers.
.THU NIGHT...E winds 5 to 10 kt. Waves around 2 ft. 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.

$$

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