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National Weather Service Marine Forecast FZUS51 KBOX

FZUS51 KBOX 020206
CWFBOX

Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1005 PM EDT Wed May 1 2024

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

ANZ200-021500
1005 PM EDT Wed May 1 2024

Synopsis for Massachusetts and Rhode Island coastal waters

High pres will be over the waters tonight then move offshore Thu. Low pres will cross New Eng and the waters Thu afternoon and evening. High pres over the Maritimes will build south into New England Fri and Sat, then head to Nova Scotia Sun. A weak front will move into the region Mon.

ANZ250-021500
Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary
1005 PM EDT Wed May 1 2024

OVERNIGHT
SE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 1 ft at 5 seconds and E 1 ft at 11 seconds. Patchy fog.

THU
S winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ft at 3 seconds and E 1 ft at 4 seconds. Patchy fog. A chance of showers in the morning. Vsby 1 to 3 NM.

THU NIGHT
NE winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 4 seconds. Patchy fog. A chance of showers in the evening. Vsby 1 to 3 NM.

FRI
NE winds 10 to 15 kt, diminishing to 5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 4 seconds and S 1 ft at 6 seconds.

FRI NIGHT AND SAT
NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: SE 3 ft at 6 seconds and E 1 ft at 9 seconds.

SAT NIGHT
SE winds around 10 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 6 seconds and E 1 ft at 10 seconds.

SUN AND SUN NIGHT
S winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers.

MON AND MON NIGHT
SW winds 10 to 15 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.

ANZ251-021500
Massachusetts Bay and Ipswich Bay
1005 PM EDT Wed May 1 2024

OVERNIGHT
S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 ft at 4 seconds and S 1 ft at 6 seconds. Patchy fog.

THU
S winds 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and E 1 ft at 11 seconds. Patchy fog. A chance of showers in the morning with vsby 1 to 3 NM.

THU NIGHT
NE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and E 2 ft at 4 seconds. Patchy fog. A chance of showers in the evening. Vsby 1 to 3 NM.

FRI
NE winds around 10 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and S 1 ft at 5 seconds.

FRI NIGHT AND SAT
E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: SE 2 ft at 5 seconds and E 1 ft at 9 seconds.

SAT NIGHT
E winds 10 to 15 kt, becoming SE 5 to 10 kt after midnight. Seas around 2 ft. Wave Detail: E 2 ft at 6 seconds and SE 1 ft at 11 seconds.

SUN AND SUN NIGHT
SE winds 5 to 10 kt, becoming S 10 to 15 kt. Gusts up to 20 kt. Seas 2 to 3 ft. A chance of showers.

MON AND MON NIGHT
SW winds around 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.

ANZ231-021500
Cape Cod Bay
1005 PM EDT Wed May 1 2024

OVERNIGHT
E winds around 5 kt, becoming S. Seas 1 foot or less. Wave Detail: NE 1 ft at 3 seconds and S 1 ft at 6 seconds. Patchy fog.

THU
S winds 5 to 10 kt. Seas 1 foot or less, then around 2 ft in the afternoon. Wave Detail: S 1 ft at 3 seconds and E 1 ft at 4 seconds. Patchy fog. A chance of showers in the morning.

THU NIGHT
E winds 5 to 10 kt, becoming NE after midnight. Seas around 2 ft. Wave Detail: S 1 ft at 4 seconds and E 1 ft at 4 seconds. Patchy fog. A chance of showers in the evening. Vsby 1 to 3 NM.

FRI
NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N 1 ft at 3 seconds and S 1 ft at 6 seconds.

FRI NIGHT AND SAT
NE winds 5 to 10 kt. Seas around 2 ft. Wave Detail: N 1 ft at 3 seconds and S 1 ft at 5 seconds.

SAT NIGHT
E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 1 ft at 2 seconds and E 1 ft at 10 seconds.

SUN THROUGH MON
SW winds 5 to 10 kt with gusts up to 20 kt. Seas around 2 ft. A chance of showers.

MON NIGHT
SW winds around 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.

ANZ254-021500
Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 nm
1005 PM EDT Wed May 1 2024

OVERNIGHT
NE winds around 5 kt, becoming SE around 5 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 5 seconds and S 2 ft at 6 seconds. Patchy fog. Vsby 1 to 3 NM.

THU
S winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and E 1 ft at 4 seconds. Patchy fog. A chance of showers in the morning. Vsby 1 to 3 NM in the afternoon.

THU NIGHT
SE winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: E 2 ft at 4 seconds and S 2 ft at 6 seconds. Patchy fog. A chance of showers in the evening. 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: NE 2 ft at 4 seconds and S 2 ft at 6 seconds.

FRI NIGHT AND SAT
NE winds 5 to 10 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 6 seconds and S 1 ft at 5 seconds.

SAT NIGHT
E winds around 10 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 6 seconds and SE 1 ft at 11 seconds.

SUN THROUGH MON
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of showers.

MON NIGHT
SW winds 10 to 15 kt. Seas 3 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.

ANZ255-021500
Coastal Waters extending out to 25 nm South of Marthas Vineyard and Nantucket
1005 PM EDT Wed May 1 2024

OVERNIGHT
E winds 5 to 10 kt, becoming SE. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 7 seconds and E 2 ft at 5 seconds. Patchy fog. Vsby 1 to 3 NM.

THU
S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 3 ft at 6 seconds and E 1 ft at 5 seconds. Patchy fog. Vsby 1 NM or less, increasing to 1 to 3 NM in the afternoon.

THU NIGHT
SW winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 5 seconds and S 2 ft at 6 seconds. Patchy fog. Vsby 1 to 3 NM.

FRI
NE winds around 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 6 seconds.

FRI NIGHT THROUGH SAT NIGHT
E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 6 seconds and S 1 ft at 5 seconds.

SUN THROUGH MON
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft at 11 seconds and E 3 ft at 6 seconds. A chance of showers.

MON NIGHT
SW winds 10 to 15 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.

ANZ256-021500
Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 nm South of Block Island
1005 PM EDT Wed May 1 2024

OVERNIGHT
E winds 5 to 10 kt, becoming S. Seas 2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and E 2 ft at 5 seconds. Patchy fog. Vsby 1 to 3 NM, decreasing to 1 NM or less.

THU
S winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: S 2 ft at 6 seconds and E 1 ft at 5 seconds. Patchy fog. Vsby 1 NM or less in the morning.

THU NIGHT
W winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 5 seconds and S 2 ft at 6 seconds. Patchy fog. Vsby 1 to 3 NM in the evening.

FRI
NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. Wave Detail: NE 3 ft at 4 seconds and S 2 ft at 6 seconds.

FRI NIGHT THROUGH SAT NIGHT
E winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: E 2 ft at 5 seconds and S 1 ft at 5 seconds.

SUN THROUGH MON
SW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 8 seconds and SW 2 ft at 3 seconds. A chance of showers.

MON NIGHT
SW winds 10 to 15 kt. Seas around 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.

ANZ232-021500
Nantucket Sound
1005 PM EDT Wed May 1 2024

OVERNIGHT
E winds around 5 kt, becoming SE around 5 kt. Seas around 2 ft. Wave Detail: E 1 ft at 5 seconds and S 1 ft at 6 seconds. Patchy fog. Vsby 1 to 3 NM.

THU
S winds 10 to 15 kt. Seas around 2 ft. Wave Detail: S 2 ft at 5 seconds and S 1 ft at 2 seconds. Patchy fog. Vsby 1 to 3 NM in the afternoon.

THU NIGHT
SE winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: E 2 ft at 4 seconds and SW 1 ft at 3 seconds. Patchy fog. Vsby 1 to 3 NM.

FRI
NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas around 2 ft. Wave Detail: N 2 ft at 4 seconds and S 1 ft at 6 seconds.

FRI NIGHT THROUGH SAT NIGHT
E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and S 1 ft at 5 seconds.

SUN THROUGH MON
SW winds 10 to 15 kt with gusts up to 20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E 2 ft at 4 seconds. A chance of showers.

MON NIGHT
SW winds around 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.

ANZ233-021500
Vineyard Sound
1005 PM EDT Wed May 1 2024

OVERNIGHT
E winds around 5 kt, becoming S around 5 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and E 1 ft at 4 seconds. Patchy fog.

THU
S winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and SW 1 ft at 2 seconds. Patchy fog. Vsby 1 to 3 NM in the morning.

THU NIGHT
NW winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and SW 1 ft at 3 seconds. Patchy fog in the evening with vsby 1 to 3 NM.

FRI
NE winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NE 1 ft at 3 seconds and S 1 ft at 6 seconds.

FRI NIGHT THROUGH SAT NIGHT
E winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NE 1 ft at 3 seconds and S 1 ft at 5 seconds.

SUN THROUGH MON
SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SE 1 ft at 4 seconds and E 1 ft at 10 seconds. A chance of showers.

MON NIGHT
SW winds around 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.

ANZ234-021500
Buzzards Bay
1005 PM EDT Wed May 1 2024

OVERNIGHT
E winds around 5 kt, becoming S around 5 kt. Seas 1 foot or less. Wave Detail: NE 1 ft at 2 seconds and SW 1 ft at 6 seconds. Patchy fog.

THU
S winds 5 to 10 kt, becoming SW 10 to 15 kt in the afternoon. Seas around 2 ft. Wave Detail: SW 1 ft at 2 seconds and E 1 ft at 5 seconds. Patchy fog. Vsby 1 to 3 NM in the morning.

THU NIGHT
NW winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas around 2 ft. Wave Detail: SW 1 ft at 5 seconds and E 1 ft at 5 seconds. Patchy fog.

FRI
NE winds 10 to 15 kt. Seas around 2 ft in the morning, then 1 foot or less. Wave Detail: NE 1 ft at 3 seconds and S 1 ft at 5 seconds, becoming N 1 ft at 4 seconds and S 1 ft at 5 seconds.

FRI NIGHT THROUGH SAT NIGHT
E winds 10 to 15 kt. Seas 1 foot or less. Wave Detail: NE 1 ft at 3 seconds and S 1 ft at 5 seconds.

SUN THROUGH MON
SW winds 5 to 10 kt. Seas 1 foot or less. Wave Detail: SE 1 ft at 4 seconds and E 1 ft at 10 seconds. A chance of showers.

MON NIGHT
SW winds around 10 kt. Seas 1 foot or less.

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.

ANZ235-021500
Rhode Island Sound
1005 PM EDT Wed May 1 2024

OVERNIGHT
SE winds around 5 kt. Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and E 1 ft at 5 seconds. Patchy fog. Vsby 1 NM or less.

THU
S winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds and S 1 ft at 2 seconds. Patchy fog. Vsby 1 NM or less in the morning.

THU NIGHT
NW winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 5 seconds and S 2 ft at 6 seconds. Patchy fog in the evening with 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: NE 2 ft at 3 seconds and S 2 ft at 6 seconds.

FRI NIGHT THROUGH SAT NIGHT
E winds 10 to 15 kt. Seas around 2 ft. Wave Detail: NE 2 ft at 4 seconds and S 1 ft at 5 seconds.

SUN THROUGH MON
SW winds 10 to 15 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 4 seconds and S 2 ft at 5 seconds. A chance of showers.

MON NIGHT
W winds 10 to 15 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.

ANZ237-021500
Block Island Sound
1005 PM EDT Wed May 1 2024

OVERNIGHT
SE winds around 5 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds and E 1 ft at 10 seconds. Patchy fog. Vsby 1 NM or less.

THU
S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 6 seconds and E 1 ft at 9 seconds. Patchy fog. Vsby 1 NM or less in the morning.

THU NIGHT
NW winds 5 to 10 kt, becoming NE 10 to 15 kt with gusts up to 20 kt after midnight. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 5 seconds and S 2 ft at 6 seconds. Patchy fog in the evening.

FRI
NE winds 10 to 15 kt. Gusts up to 20 kt in the morning. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 4 seconds and S 2 ft at 5 seconds.

FRI NIGHT AND SAT
E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E 2 ft at 5 seconds and S 1 ft at 5 seconds.

SAT NIGHT
E winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 5 seconds and SE 1 ft at 11 seconds. A chance of showers after midnight.

SUN THROUGH MON
SW winds around 10 kt. Seas around 2 ft. A chance of showers.

MON NIGHT
W 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.

ANZ230-021500
Boston Harbor
1005 PM EDT Wed May 1 2024

OVERNIGHT
S winds around 5 kt. Waves 1 foot or less.

THU
S winds 5 to 10 kt. Waves 1 foot or less, then around 2 ft in the afternoon. Patchy fog in the morning. A chance of showers in the morning.

THU NIGHT
NE winds 10 to 15 kt. Waves around 2 ft. Patchy fog. A chance of showers in the evening with vsby 1 to 3 NM.

FRI
NE winds 10 to 15 kt. Waves around 2 ft in the morning, then 1 foot or less.

FRI NIGHT THROUGH SAT NIGHT
SE winds 10 to 15 kt. Waves around 2 ft.

SUN AND SUN NIGHT
SE winds 5 to 10 kt, becoming S. Waves around 2 ft. A chance of showers.

MON AND MON NIGHT
W winds around 10 kt. Waves 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.

ANZ236-021500
Narragansett Bay
1005 PM EDT Wed May 1 2024

OVERNIGHT
S winds around 5 kt. Waves around 2 ft. Patchy fog with vsby 1 to 3 NM.

THU
S winds 5 to 10 kt, increasing to 10 to 15 kt in the afternoon. Waves around 2 ft. Patchy fog in the morning with vsby 1 NM or less.

THU NIGHT
NW winds 5 to 10 kt, becoming NE with gusts up to 20 kt after midnight. Waves around 2 ft.

FRI
NE winds 10 to 15 kt. Waves around 2 ft.

FRI NIGHT THROUGH SAT NIGHT
E winds 10 to 15 kt. Waves around 2 ft.

SUN AND SUN NIGHT
S winds 5 to 10 kt. Waves 1 foot or less, then around 2 ft. A chance of showers.

MON AND MON NIGHT
SW winds 5 to 10 kt. Waves 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.

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