FZUS51 KBOX 251104
CWFBOX
Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
704 AM EDT Thu Jul 25 2024
Coastal waters from the Merrimack River MA to Watch Hill RI outto 25 NM
ANZ200-260000
704 AM EDT Thu Jul 25 2024
Synopsis for Massachusetts and Rhode Island coastal waters
A weak front will move across the waters Thursday. High pressurethen builds in across the region Friday and through the weekend.
ANZ250-260000
Coastal waters east of Ipswich Bay and the Stellwagen BankNational Marine Sanctuary
704 AM EDT Thu Jul 25 2024
TODAY
S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: SE2 ft at 9 seconds and S 1 foot at 2 seconds. Areas of fog. Aslight chance of showers this afternoon. Vsby 1 NM or less.
TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to3 ft. Wave Detail: SW 2 ft at 3 seconds and SE 2 ft at 9 seconds.
FRI
NW winds 10 to 15 kt with gusts up to 20 kt, becoming W5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: NW 2 ftat 3 seconds and SE 2 ft at 9 seconds.
FRI NIGHT
SW winds around 5 kt, becoming NW after midnight.Seas around 2 ft. Wave Detail: W 1 foot at 3 seconds and NE1 foot at 5 seconds.
SAT
N winds 5 to 10 kt, becoming NE in the afternoon. Seasaround 2 ft in the morning, then 1 foot or less. Wave Detail: N1 foot at 4 seconds and SE 1 foot at 9 seconds.
SAT NIGHT
S winds around 5 kt. Seas 1 foot or less. WaveDetail: N 1 foot at 4 seconds and SE 1 foot at 9 seconds.
SUN THROUGH MON NIGHT
S winds 10 to 15 kt with gusts up to20 kt. Seas 2 to 3 ft.
Seas are reported as significant wave height, which is theaverage of the highest third of the waves. Individual waveheights may be more than twice the significant wave height.
ANZ251-260000
Massachusetts Bay and Ipswich Bay
704 AM EDT Thu Jul 25 2024
TODAY
S winds 5 to 10 kt. Seas around 2 ft. Wave Detail: E2 ft at 5 seconds and S 1 foot at 2 seconds. Patchy fog thismorning. A slight chance of showers with isolated tstms thisafternoon. Vsby 1 NM or less this morning.
TONIGHT
W winds around 10 kt. Seas around 2 ft. Wave Detail: E2 ft at 5 seconds and SW 1 foot at 3 seconds.
FRI
NW winds 5 to 10 kt. Seas around 2 ft in the morning, then1 foot or less. Wave Detail: NW 1 foot at 3 seconds and E 1 footat 5 seconds.
FRI NIGHT
SW winds around 5 kt, becoming NW after midnight.Seas 1 foot or less. Wave Detail: W 1 foot at 2 seconds and NE1 foot at 4 seconds.
SAT
N winds around 5 kt, becoming E in the afternoon. Seas1 foot or less. Wave Detail: NW 1 foot at 2 seconds and NE 1 footat 5 seconds.
SAT NIGHT
S winds 5 to 10 kt, becoming SW after midnight. Seas1 foot or less. Wave Detail: E 1 foot at 3 seconds and SE 1 footat 9 seconds.
SUN THROUGH MON NIGHT
S winds 10 to 15 kt. Seas around 2 ft.
Winds and seas higher in and near tstms.
Seas are reported as significant wave height, which is theaverage of the highest third of the waves. Individual waveheights may be more than twice the significant wave height.
ANZ231-260000
Cape Cod Bay
704 AM EDT Thu Jul 25 2024
TODAY
S winds around 5 kt, becoming SW this afternoon. Seas1 foot or less, then around 2 ft this afternoon. Wave Detail: E1 foot at 4 seconds and SE 1 foot at 8 seconds, becoming SW1 foot at 2 seconds and E 1 foot at 5 seconds. Areas of fog thismorning. A slight chance of showers with isolated tstms thisafternoon. Vsby 1 NM or less this morning.
TONIGHT
W winds around 10 kt. Seas around 2 ft. Wave Detail:SW 1 foot at 2 seconds and E 1 foot at 5 seconds.
FRI
NW winds 5 to 10 kt. Seas around 2 ft in the morning, then1 foot or less. Wave Detail: NW 1 foot at 3 seconds and E 1 footat 5 seconds, becoming N 1 foot at 4 seconds and S 1 foot at8 seconds.
FRI NIGHT
SW winds around 5 kt, becoming W after midnight.Seas 1 foot or less. Wave Detail: N 1 foot at 4 seconds and S1 foot at 8 seconds.
SAT
N winds around 5 kt, becoming NE in the afternoon. Seas1 foot or less. Wave Detail: N 1 foot at 4 seconds and S 1 footat 8 seconds.
SAT NIGHT
S winds around 5 kt, becoming SW around 5 kt aftermidnight. Seas 1 foot or less. Wave Detail: N 1 foot at 3 secondsand S 1 foot at 8 seconds.
SUN THROUGH MON NIGHT
SW winds 5 to 10 kt. Seas 1 foot orless.
Winds and seas higher in and near tstms.
Seas are reported as significant wave height, which is theaverage of the highest third of the waves. Individual waveheights may be more than twice the significant wave height.
ANZ254-260000
Coastal waters from Provincetown MA to Chatham MA to Nantucket MAout 20 nm
704 AM EDT Thu Jul 25 2024
TODAY
S winds around 5 kt, becoming SW 10 to 15 kt with gustsup to 20 kt this afternoon. Seas 2 to 4 ft. Wave Detail: S 3 ftat 8 seconds and SW 1 foot at 2 seconds. Patchy fog this morning.Areas of dense fog this afternoon. A slight chance of showersthis afternoon. Vsby 1 NM or less.
TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas 3 to4 ft. Wave Detail: S 4 ft at 8 seconds and W 2 ft at 3 seconds.
FRI
NW winds 10 to 15 kt with gusts up to 20 kt, diminishingto 5 to 10 kt in the afternoon. Seas 2 to 4 ft. Wave Detail: S3 ft at 8 seconds and NW 2 ft at 3 seconds.
FRI NIGHT
W winds around 5 kt. Seas 2 to 3 ft. Wave Detail: S2 ft at 7 seconds and N 1 foot at 5 seconds.
SAT
N winds around 5 kt. Seas around 2 ft. Wave Detail: S 2 ftat 7 seconds and N 1 foot at 4 seconds.
SAT NIGHT
SE winds around 5 kt, becoming SW after midnight.Seas around 2 ft. Wave Detail: S 2 ft at 7 seconds and N 1 footat 4 seconds.
SUN THROUGH MON NIGHT
S winds 5 to 10 kt. Seas 2 to 3 ft.
Seas are reported as significant wave height, which is theaverage of the highest third of the waves. Individual waveheights may be more than twice the significant wave height.
ANZ255-260000
Coastal Waters extending out to 25 nm South of Marthas Vineyardand Nantucket
704 AM EDT Thu Jul 25 2024
TODAY
SW winds 5 to 10 kt, increasing to 10 to 15 kt withgusts up to 20 kt this afternoon. Seas 3 to 4 ft. Wave Detail: S4 ft at 7 seconds and SW 1 foot at 3 seconds. Patchy fog thismorning. Areas of dense fog this afternoon. A slight chance ofshowers this afternoon. Vsby 1 NM or less.
TONIGHT
SW winds 10 to 15 kt, becoming NW after midnight.Gusts up to 20 kt. Seas 3 to 5 ft. Wave Detail: S 4 ft at7 seconds and W 1 foot at 3 seconds.
FRI
NW winds 10 to 15 kt, diminishing to 5 to 10 kt in theafternoon. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 7 seconds andNW 1 foot at 3 seconds.
FRI NIGHT
W winds around 5 kt. Seas 2 to 3 ft. Wave Detail: S3 ft at 6 seconds and N 1 foot at 4 seconds.
SAT
N winds 5 to 10 kt, becoming NE in the afternoon. Seasaround 2 ft. Wave Detail: S 2 ft at 6 seconds and NW 1 foot at2 seconds.
SAT NIGHT
S winds around 5 kt, becoming W after midnight. Seasaround 2 ft. Wave Detail: S 2 ft at 7 seconds and NE 1 foot at4 seconds.
SUN THROUGH MON NIGHT
SW winds 5 to 10 kt. Seas 2 to 3 ft.
Seas are reported as significant wave height, which is theaverage of the highest third of the waves. Individual waveheights may be more than twice the significant wave height.
ANZ256-260000
Coastal Waters from Montauk NY to Marthas Vineyard extending outto 20 nm South of Block Island
704 AM EDT Thu Jul 25 2024
TODAY
SW winds 5 to 10 kt, increasing to 10 to 15 kt withgusts up to 20 kt this afternoon. Seas 3 to 4 ft. Wave Detail: S4 ft at 7 seconds and E 1 foot at 4 seconds. Areas of fog thismorning. A slight chance of showers this afternoon. Vsby 1 NM orless this morning.
TONIGHT
W winds 10 to 15 kt, becoming NW after midnight. Gustsup to 20 kt. Seas 3 to 4 ft. Wave Detail: S 4 ft at 7 seconds andSE 1 foot at 13 seconds.
FRI
NW winds 10 to 15 kt, becoming W 5 to 10 kt in theafternoon. Seas 2 to 4 ft. Wave Detail: S 4 ft at 7 seconds andNW 1 foot at 3 seconds.
FRI NIGHT
SW winds 5 to 10 kt, becoming NW after midnight.Seas 2 to 3 ft. Wave Detail: S 2 ft at 7 seconds and W 1 foot at3 seconds.
SAT
N winds 5 to 10 kt, becoming SE in the afternoon. Seasaround 2 ft. Wave Detail: S 2 ft at 7 seconds and N 1 foot at2 seconds.
SAT NIGHT
SW winds around 5 kt. Seas around 2 ft. Wave Detail:S 2 ft at 7 seconds.
SUN THROUGH MON NIGHT
SW winds 5 to 10 kt. Seas 2 to 3 ft.
Seas are reported as significant wave height, which is theaverage of the highest third of the waves. Individual waveheights may be more than twice the significant wave height.
ANZ232-260000
Nantucket Sound
704 AM EDT Thu Jul 25 2024
TODAY
SW winds 5 to 10 kt, increasing to 10 to 15 kt withgusts up to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: SW2 ft at 3 seconds and E 1 foot at 4 seconds. Patchy fog thismorning. A slight chance of showers this afternoon. Vsby 1 NM orless this morning.
TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to3 ft. Wave Detail: W 2 ft at 3 seconds and S 2 ft at 8 seconds.
FRI
NW winds 10 to 15 kt, diminishing to 5 to 10 kt in theafternoon. Seas around 2 ft. Wave Detail: NW 2 ft at 3 secondsand E 1 foot at 5 seconds.
FRI NIGHT
W winds around 5 kt. Seas 1 foot or less. WaveDetail: W 1 foot at 3 seconds and NE 1 foot at 4 seconds.
SAT
N winds 5 to 10 kt, becoming NE in the afternoon. Seas1 foot or less. Wave Detail: NW 1 foot at 2 seconds and NE 1 footat 5 seconds.
SAT NIGHT
S winds 5 to 10 kt, becoming W after midnight. Seas1 foot or less. Wave Detail: E 1 foot at 3 seconds and S 1 footat 7 seconds.
SUN THROUGH MON NIGHT
SW winds 10 to 15 kt. Seas around 2 ft.
Seas are reported as significant wave height, which is theaverage of the highest third of the waves. Individual waveheights may be more than twice the significant wave height.
ANZ233-260000
Vineyard Sound
704 AM EDT Thu Jul 25 2024
TODAY
S winds around 5 kt, becoming SW 10 to 15 kt with gustsup to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: S 2 ftat 7 seconds and SW 1 foot at 3 seconds. Areas of fog thismorning. A slight chance of showers this afternoon. Vsby 1 NM orless this morning.
TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt, becomingNW after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at7 seconds and SW 1 foot at 3 seconds.
FRI
NW winds 5 to 10 kt. Seas around 2 ft. Wave Detail: S 2 ftat 7 seconds and NW 1 foot at 4 seconds.
FRI NIGHT
SW winds around 5 kt, becoming NW after midnight.Seas around 2 ft in the evening, then 1 foot or less. WaveDetail: SW 2 ft at 5 seconds and NE 1 foot at 4 seconds, becomingSW 1 foot at 5 seconds and SE 1 foot at 12 seconds.
SAT
N winds around 5 kt, becoming SE in the afternoon. Seas1 foot or less. Wave Detail: N 1 foot at 4 seconds and S 1 footat 6 seconds.
SAT NIGHT
SW winds around 5 kt. Seas 1 foot or less. WaveDetail: E 1 foot at 3 seconds and S 1 foot at 6 seconds.
SUN THROUGH MON NIGHT
SW winds 10 to 15 kt. Seas around 2 ft.
Seas are reported as significant wave height, which is theaverage of the highest third of the waves. Individual waveheights may be more than twice the significant wave height.
ANZ234-260000
Buzzards Bay
704 AM EDT Thu Jul 25 2024
TODAY
S winds 5 to 10 kt, becoming SW 10 to 15 kt with gustsup to 20 kt this afternoon. Seas around 2 ft. Wave Detail: SW2 ft at 3 seconds and S 2 ft at 7 seconds. Areas of fog thismorning. A slight chance of showers this afternoon. Vsby 1 NM orless this morning.
TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt, becomingNW after midnight. Seas around 2 ft. Wave Detail: SW 2 ft at3 seconds and S 2 ft at 7 seconds.
FRI
NW winds 5 to 10 kt. Seas around 2 ft in the morning, then1 foot or less. Wave Detail: S 2 ft at 7 seconds and NW 1 foot at4 seconds, becoming NW 1 foot at 4 seconds and NE 1 foot at5 seconds.
FRI NIGHT
SW winds around 5 kt, becoming NW after midnight.Seas 1 foot or less. Wave Detail: SW 1 foot at 4 seconds and NE1 foot at 4 seconds.
SAT
N winds around 5 kt, becoming SE in the afternoon. Seas1 foot or less. Wave Detail: N 1 foot at 5 seconds and S 1 footat 7 seconds.
SAT NIGHT
S winds 5 to 10 kt, becoming SW after midnight. Seas1 foot or less. Wave Detail: E 1 foot at 2 seconds and S 1 footat 6 seconds.
SUN THROUGH MON NIGHT
SW winds 10 to 15 kt with gusts up to20 kt. Seas around 2 ft.
Seas are reported as significant wave height, which is theaverage of the highest third of the waves. Individual waveheights may be more than twice the significant wave height.
ANZ235-260000
Rhode Island Sound
704 AM EDT Thu Jul 25 2024
TODAY
S winds 5 to 10 kt, becoming SW 10 to 15 kt with gustsup to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: S 3 ftat 7 seconds and SW 1 foot at 3 seconds. Areas of fog thismorning. A slight chance of showers this afternoon. Vsby 1 NM orless this morning.
TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt, becomingNW after midnight. Seas 2 to 4 ft. Wave Detail: S 4 ft at7 seconds and SW 1 foot at 3 seconds.
FRI
NW winds 5 to 10 kt, becoming W in the afternoon. Seas2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and NW 1 foot at3 seconds.
FRI NIGHT
SW winds 5 to 10 kt, becoming NW after midnight.Seas around 2 ft. Wave Detail: S 2 ft at 6 seconds and W 1 footat 3 seconds.
SAT
N winds 5 to 10 kt, becoming S in the afternoon. Seasaround 2 ft. Wave Detail: S 2 ft at 7 seconds and N 1 foot at3 seconds.
SAT NIGHT
SW winds around 5 kt. Seas 1 foot or less. WaveDetail: E 1 foot at 3 seconds and S 1 foot at 7 seconds.
SUN THROUGH MON NIGHT
SW winds 10 to 15 kt. Seas around 2 ft.
Seas are reported as significant wave height, which is theaverage of the highest third of the waves. Individual waveheights may be more than twice the significant wave height.
ANZ237-260000
Block Island Sound
704 AM EDT Thu Jul 25 2024
TODAY
SW winds 5 to 10 kt, increasing to 10 to 15 kt withgusts up to 20 kt this afternoon. Seas 2 to 3 ft. Wave Detail: S3 ft at 7 seconds and SW 1 foot at 3 seconds. Areas of fog thismorning. A slight chance of showers this afternoon. Vsby 1 NM orless this morning.
TONIGHT
W winds 10 to 15 kt with gusts up to 20 kt, becomingNW after midnight. Seas 2 to 3 ft. Wave Detail: S 3 ft at7 seconds and W 1 foot at 3 seconds.
FRI
NW winds 5 to 10 kt, becoming W in the afternoon. Seas2 to 3 ft. Wave Detail: S 3 ft at 7 seconds and W 1 foot at3 seconds.
FRI NIGHT
W winds 5 to 10 kt, becoming NW after midnight. Seasaround 2 ft. Wave Detail: S 2 ft at 7 seconds and W 1 foot at3 seconds.
SAT
N winds around 5 kt, becoming S in the afternoon. Seasaround 2 ft in the morning, then 1 foot or less. Wave Detail: S2 ft at 7 seconds and NW 1 foot at 2 seconds, becoming S 1 footat 7 seconds.
SAT NIGHT
SW winds around 5 kt. Seas 1 foot or less. WaveDetail: S 1 foot at 7 seconds.
SUN THROUGH MON NIGHT
SW winds 5 to 10 kt. Seas around 2 ft.
Seas are reported as significant wave height, which is theaverage of the highest third of the waves. Individual waveheights may be more than twice the significant wave height.
ANZ230-260000
Boston Harbor
704 AM EDT Thu Jul 25 2024
TODAY
S winds 5 to 10 kt. Waves 1 foot or less. Areas of fogthis morning. A chance of showers with a slight chance of tstmsthis afternoon. Vsby 1 NM or less this morning.
TONIGHT
W winds around 10 kt. Waves 1 foot or less.
FRI
NW winds around 10 kt, becoming N in the afternoon. Waves1 foot or less.
FRI NIGHT
SW winds around 5 kt, becoming NW after midnight.Waves 1 foot or less.
SAT
N winds around 5 kt, becoming E in the afternoon. Waves1 foot or less.
SAT NIGHT
S winds 5 to 10 kt, becoming SW after midnight.Waves 1 foot or less.
SUN THROUGH MON 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 theaverage of the highest third of the waves. Individual waveheights may be more than twice the significant wave height.
ANZ236-260000
Narragansett Bay
704 AM EDT Thu Jul 25 2024
TODAY
SW winds 5 to 10 kt. Waves 2 to 3 ft. A slight chance ofshowers this morning, then a chance of showers with a slightchance of tstms this afternoon. Areas of fog this morning withvsby 1 NM or less.
TONIGHT
W winds 5 to 10 kt. Waves 2 to 3 ft.
FRI
NW winds 5 to 10 kt. Waves 2 to 3 ft.
FRI NIGHT
SW winds around 5 kt, becoming NW after midnight.Waves around 2 ft.
SAT
N winds around 5 kt, becoming SE in the afternoon. Waves1 foot or less.
SAT NIGHT
S winds 5 to 10 kt, becoming SW after midnight.Waves 1 foot or less.
SUN THROUGH MON 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 theaverage of the highest third of the waves. Individual waveheights may be more than twice the significant wave height.
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