FZUS51 KBOX 251405
CWFBOX
Coastal Waters Forecast for Massachusetts and Rhode Island
National Weather Service Boston/Norton MA
1005 AM EDT Thu Apr 25 2024
Coastal waters from the Merrimack River MA to Watch Hill RI outto 25 NM
ANZ200-260300
1005 AM EDT Thu Apr 25 2024
Synopsis for Massachusetts and Rhode Island coastal waters
Surface high pressure anchored across the eastern Great Lakes is thedominant weather feature through early Saturday, leading to tranquilboating conditions for late April. A weak warm front clips thenorthern waters Saturday night into early Sunday with a few showerspossible, better chance of unsettled weather Tuesday into Wednesday.
ANZ250-260300
Coastal waters east of Ipswich Bay and the Stellwagen BankNational Marine Sanctuary
1005 AM EDT Thu Apr 25 2024
SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON
THIS AFTERNOON
N winds 5 to 10 kt, becoming SE. Seas 3 to5 ft. Wave Detail: N 4 ft at 5 seconds and E 3 ft at 9 seconds.
TONIGHT
S winds around 10 kt, becoming W after midnight. Seas2 to 3 ft. Wave Detail: SW 2 ft at 4 seconds and NE 2 ft at5 seconds.
FRI
NE winds 5 to 10 kt, becoming E in the afternoon. Seasaround 2 ft. Wave Detail: N 2 ft at 4 seconds and E 2 ft at9 seconds.
FRI NIGHT
S winds 5 to 10 kt, becoming SW after midnight. Seasaround 2 ft. Wave Detail: E 2 ft at 8 seconds and NE 1 ft at3 seconds.
SAT
W winds 5 to 10 kt, becoming S in the afternoon. Seasaround 2 ft. Wave Detail: SW 1 ft at 2 seconds and NE 1 ft at3 seconds.
SAT NIGHT
S winds 10 to 15 kt. Gusts up to 20 kt in theevening. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 3 seconds and E2 ft at 9 seconds. A chance of showers after midnight.
SUN
SW winds 10 to 15 kt. Seas 2 to 3 ft. A chance of showers.
SUN NIGHT THROUGH MON NIGHT
SE winds 10 to 15 kt. Seas 2 to3 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.
ANZ251-260300
Massachusetts Bay and Ipswich Bay
1005 AM EDT Thu Apr 25 2024
THIS AFTERNOON
N winds 5 to 10 kt, becoming SE 10 to 15 kt.Seas 2 to 4 ft. Wave Detail: N 3 ft at 5 seconds and E 3 ft at9 seconds.
TONIGHT
S winds 10 to 15 kt, becoming W 5 to 10 kt aftermidnight. Seas 2 to 3 ft. Wave Detail: NE 2 ft at 6 seconds and E2 ft at 9 seconds.
FRI
NE winds 5 to 10 kt, becoming E in the afternoon. Seasaround 2 ft. Wave Detail: NE 2 ft at 4 seconds and E 2 ft at9 seconds.
FRI NIGHT
S winds around 10 kt, becoming SW after midnight.Seas around 2 ft. Wave Detail: S 2 ft at 3 seconds and NE 1 ft at3 seconds.
SAT
SW winds 5 to 10 kt, becoming SE 10 to 15 kt in theafternoon. Seas around 2 ft. Wave Detail: E 2 ft at 3 seconds andW 1 ft at 2 seconds.
SAT NIGHT
S winds 10 to 15 kt. Gusts up to 20 kt in theevening. Seas around 2 ft. Wave Detail: S 2 ft at 4 seconds and E2 ft at 9 seconds. A chance of showers after midnight.
SUN
S winds 10 to 15 kt. Seas around 2 ft. A chance ofshowers.
SUN NIGHT THROUGH MON NIGHT
SE winds 5 to 10 kt. Seas around2 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.
ANZ231-260300
Cape Cod Bay
1005 AM EDT Thu Apr 25 2024
THIS AFTERNOON
NE winds 5 to 10 kt. Seas 2 to 3 ft. WaveDetail: N 3 ft at 5 seconds and E 2 ft at 9 seconds.
TONIGHT
S winds 5 to 10 kt, becoming W after midnight. Seasaround 2 ft. Wave Detail: N 2 ft at 5 seconds and E 2 ft at9 seconds.
FRI
N winds around 5 kt, becoming NE in the afternoon. Seasaround 2 ft in the morning, then 1 foot or less. Wave Detail: NW1 ft at 4 seconds and N 1 ft at 5 seconds, becoming N 1 ft at4 seconds and S 1 ft at 5 seconds.
FRI NIGHT
S winds around 5 kt, becoming SW after midnight.Seas 1 foot or less. Wave Detail: N 1 ft at 4 seconds and S 1 ftat 5 seconds.
SAT
W winds around 5 kt, becoming S in the afternoon. Seas1 foot or less. Wave Detail: N 1 ft at 3 seconds and SE 1 ft at7 seconds.
SAT NIGHT
SW winds around 10 kt. Seas 1 foot or less. WaveDetail: S 1 ft at 3 seconds and E 1 ft at 8 seconds.
SUN THROUGH MON NIGHT
SE 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.
ANZ254-260300
Coastal waters from Provincetown MA to Chatham MA to Nantucket MAout 20 nm
1005 AM EDT Thu Apr 25 2024
SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON
THIS AFTERNOON
N winds 10 to 15 kt, becoming NE 5 to 10 kt.Seas 4 to 6 ft. Wave Detail: N 4 ft at 6 seconds and E 3 ft at9 seconds.
TONIGHT
SE winds 5 to 10 kt, becoming NW after midnight. Seas2 to 4 ft. Wave Detail: N 3 ft at 7 seconds and E 2 ft at8 seconds.
FRI
N winds around 5 kt, becoming NE in the afternoon. Seas2 to 3 ft. Wave Detail: N 2 ft at 5 seconds and E 2 ft at9 seconds.
FRI NIGHT
S winds around 5 kt, becoming W after midnight. Seasaround 2 ft. Wave Detail: E 2 ft at 8 seconds and SE 1 ft at4 seconds.
SAT AND SAT NIGHT
SW winds 5 to 10 kt. Seas 2 to 3 ft. WaveDetail: E 2 ft at 9 seconds and N 1 ft at 4 seconds.
SUN THROUGH MON NIGHT
SE winds 10 to 15 kt with gusts up to20 kt. Seas 2 to 4 ft. Wave Detail: E 4 ft at 11 seconds and SW2 ft at 3 seconds.
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.
ANZ255-260300
Coastal Waters extending out to 25 nm South of Marthas Vineyardand Nantucket
1005 AM EDT Thu Apr 25 2024
SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON
THIS AFTERNOON
NE winds 10 to 15 kt. Seas 3 to 5 ft. WaveDetail: N 3 ft at 4 seconds and SW 3 ft at 7 seconds.
TONIGHT
SE winds 5 to 10 kt, becoming N after midnight. Seas2 to 4 ft. Wave Detail: E 3 ft at 8 seconds and NE 2 ft at4 seconds.
FRI
NE winds around 5 kt, becoming SE in the afternoon. Seasaround 2 ft. Wave Detail: SE 2 ft at 7 seconds and NE 1 ft at5 seconds.
FRI NIGHT
S winds around 5 kt, becoming W after midnight. Seasaround 2 ft. Wave Detail: SE 2 ft at 8 seconds and NE 1 ft at4 seconds.
SAT AND SAT NIGHT
SW winds 5 to 10 kt. Seas around 2 ft. WaveDetail: SW 2 ft at 3 seconds and SE 2 ft at 8 seconds.
SUN THROUGH MON NIGHT
SE winds 10 to 15 kt with gusts up to20 kt. Seas 2 to 3 ft. Wave Detail: SW 3 ft at 5 seconds and E3 ft at 12 seconds.
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.
ANZ256-260300
Coastal Waters from Montauk NY to Marthas Vineyard extending outto 20 nm South of Block Island
1005 AM EDT Thu Apr 25 2024
SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 PM EDT THIS AFTERNOON
THIS AFTERNOON
NE winds 10 to 15 kt, becoming E 5 to 10 kt.Seas 3 to 5 ft. Wave Detail: E 4 ft at 9 seconds and N 2 ft at4 seconds.
TONIGHT
SE winds 5 to 10 kt, becoming N after midnight. Seas2 to 3 ft. Wave Detail: SE 3 ft at 7 seconds and NE 1 ft at4 seconds.
FRI
NE winds around 5 kt, becoming S in the afternoon. Seasaround 2 ft. Wave Detail: E 2 ft at 8 seconds.
FRI NIGHT
SW winds 5 to 10 kt. Seas around 2 ft. Wave Detail:SE 2 ft at 7 seconds.
SAT AND SAT NIGHT
SW winds 5 to 10 kt. Seas around 2 ft. WaveDetail: SW 2 ft at 3 seconds and SE 2 ft at 8 seconds.
SUN THROUGH MON NIGHT
SE winds 10 to 15 kt with gusts up to20 kt. Seas 2 to 3 ft. Wave Detail: E 3 ft at 10 seconds and SW2 ft at 4 seconds.
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.
ANZ232-260300
Nantucket Sound
1005 AM EDT Thu Apr 25 2024
THIS AFTERNOON
NE winds 10 to 15 kt. Seas 2 to 3 ft. WaveDetail: N 2 ft at 4 seconds and E 2 ft at 9 seconds.
TONIGHT
SE winds 5 to 10 kt, becoming W after midnight. Seasaround 2 ft. Wave Detail: E 2 ft at 9 seconds and NE 1 ft at4 seconds.
FRI
N winds around 5 kt, becoming SE in the afternoon. Seasaround 2 ft in the morning, then 1 foot or less. Wave Detail: NW1 ft at 3 seconds and NE 1 ft at 5 seconds, becoming N 1 ft at4 seconds and NE 1 ft at 5 seconds.
FRI NIGHT
SW winds around 5 kt. Seas 1 foot or less. WaveDetail: SW 1 ft at 2 seconds and NE 1 ft at 4 seconds.
SAT AND SAT NIGHT
SW winds 5 to 10 kt. Seas 1 foot or less.Wave Detail: W 1 ft at 2 seconds and N 1 ft at 4 seconds.
SUN THROUGH MON NIGHT
SE winds 10 to 15 kt with gusts up to20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and E2 ft at 10 seconds.
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.
ANZ233-260300
Vineyard Sound
1005 AM EDT Thu Apr 25 2024
THIS AFTERNOON
NE winds around 10 kt, becoming E. Seas around2 ft. Wave Detail: SW 2 ft at 7 seconds and N 1 ft at 4 seconds.
TONIGHT
S winds 5 to 10 kt, becoming W after midnight. Seasaround 2 ft in the evening, then 1 foot or less. Wave Detail: NE1 ft at 3 seconds and NW 1 ft at 4 seconds, becoming SW 1 ft at2 seconds and NE 1 ft at 4 seconds.
FRI
N winds around 5 kt, becoming S in the afternoon. Seas1 foot or less. Wave Detail: SW 1 ft at 2 seconds and NE 1 ft at5 seconds.
FRI NIGHT
SW winds 5 to 10 kt. Seas 1 foot or less. WaveDetail: SW 1 ft at 2 seconds and S 1 ft at 7 seconds.
SAT AND SAT NIGHT
SW winds 10 to 15 kt. Seas 1 foot or less.Wave Detail: SW 1 ft at 3 seconds and S 1 ft at 7 seconds.
SUN THROUGH MON NIGHT
SE winds 10 to 15 kt with gusts up to20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 5 seconds and SE1 ft at 8 seconds.
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.
ANZ234-260300
Buzzards Bay
1005 AM EDT Thu Apr 25 2024
THIS AFTERNOON
NE winds around 10 kt, becoming E. Seas around2 ft. Wave Detail: N 1 ft at 4 seconds and SW 1 ft at 7 seconds.
TONIGHT
S winds 5 to 10 kt, becoming W after midnight. Seas1 foot or less. Wave Detail: NE 1 ft at 3 seconds and SW 1 ft at5 seconds.
FRI
N winds around 5 kt, becoming S in the afternoon. Seas1 foot or less. Wave Detail: NE 1 ft at 4 seconds and S 1 ft at6 seconds.
FRI NIGHT
SW winds 5 to 10 kt. Seas 1 foot or less. WaveDetail: NE 1 ft at 4 seconds and S 1 ft at 4 seconds.
SAT AND SAT NIGHT
SW winds 10 to 15 kt. Seas 1 foot or less.Wave Detail: SW 1 ft at 3 seconds and S 1 ft at 7 seconds.
SUN THROUGH MON NIGHT
SE winds 10 to 15 kt with gusts up to20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 4 seconds and SE1 ft at 8 seconds.
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.
ANZ235-260300
Rhode Island Sound
1005 AM EDT Thu Apr 25 2024
THIS AFTERNOON
NE winds 5 to 10 kt, becoming SE. Seas 2 to3 ft. Wave Detail: N 2 ft at 4 seconds and S 2 ft at 7 seconds.
TONIGHT
S winds 5 to 10 kt, becoming W after midnight. Seasaround 2 ft. Wave Detail: SE 2 ft at 7 seconds and NE 1 ft at3 seconds.
FRI
N winds around 5 kt, becoming S in the afternoon. Seasaround 2 ft. Wave Detail: SE 2 ft at 9 seconds and NE 1 ft at3 seconds.
FRI NIGHT
SW winds 5 to 10 kt. Seas around 2 ft in theevening, then 1 foot or less. Wave Detail: SE 2 ft at 8 secondsand SW 1 ft at 3 seconds, becoming SW 1 ft at 3 seconds and SE1 ft at 7 seconds.
SAT AND SAT NIGHT
SW winds 10 to 15 kt. Seas around 2 ft. WaveDetail: SW 2 ft at 3 seconds and SE 2 ft at 8 seconds.
SUN THROUGH MON NIGHT
SE winds 10 to 15 kt with gusts up to20 kt. Seas around 2 ft. Wave Detail: SW 2 ft at 3 seconds and S2 ft at 7 seconds.
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.
ANZ237-260300
Block Island Sound
1005 AM EDT Thu Apr 25 2024
THIS AFTERNOON
NE winds 5 to 10 kt, becoming SE. Seas 2 to4 ft. Wave Detail: E 3 ft at 9 seconds and NE 2 ft at 4 seconds.
TONIGHT
S winds 5 to 10 kt, becoming W after midnight. Seasaround 2 ft. Wave Detail: S 2 ft at 6 seconds and SE 2 ft at9 seconds.
FRI
NE winds around 5 kt, becoming S in the afternoon. Seasaround 2 ft. Wave Detail: SE 2 ft at 7 seconds.
FRI NIGHT
SW winds 5 to 10 kt. Seas around 2 ft in theevening, then 1 foot or less. Wave Detail: SE 2 ft at 7 secondsand SW 1 ft at 2 seconds, becoming SW 1 ft at 3 seconds and SE1 ft at 7 seconds.
SAT AND SAT NIGHT
SW winds 5 to 10 kt. Seas around 2 ft. WaveDetail: S 2 ft at 7 seconds and SE 2 ft at 9 seconds.
SUN THROUGH MON NIGHT
SE winds 10 to 15 kt with gusts up to20 kt. Seas around 2 ft. Wave Detail: SE 2 ft at 7 seconds and SW1 ft at 3 seconds.
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.
ANZ230-260300
Boston Harbor
1005 AM EDT Thu Apr 25 2024
THIS AFTERNOON
N winds around 5 kt, becoming E. Waves 1 footor less.
TONIGHT
S winds around 10 kt, becoming W after midnight. Waves1 foot or less.
FRI
NE winds 5 to 10 kt, becoming E in the afternoon. Waves1 foot or less.
FRI NIGHT
S winds around 10 kt, becoming SW after midnight.Waves 1 foot or less.
SAT
SW winds 5 to 10 kt, becoming SE 10 to 15 kt with gusts upto 20 kt in the afternoon. Waves 1 foot or less, then around 2 ftin the afternoon.
SAT NIGHT
S winds 15 to 20 kt, becoming SW 10 to 15 kt aftermidnight. Waves around 2 ft. A chance of showers after midnight.
SUN
SW winds 10 to 15 kt. Waves around 2 ft. A chance ofshowers.
SUN NIGHT AND MON
SW winds 5 to 10 kt, becoming NE. Wavesaround 2 ft, then 1 foot or less.
MON NIGHT
SE winds 5 to 10 kt. Waves 1 foot or less. A chanceof showers.
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.
ANZ236-260300
Narragansett Bay
1005 AM EDT Thu Apr 25 2024
THIS AFTERNOON
NE winds 5 to 10 kt, becoming SE. Waves around2 ft.
TONIGHT
S winds 5 to 10 kt, becoming W after midnight. Wavesaround 2 ft in the evening, then 1 foot or less.
FRI
N winds around 5 kt, becoming S in the afternoon. Waves1 foot or less.
FRI NIGHT
S winds 5 to 10 kt, becoming SW after midnight.Waves 1 foot or less.
SAT
W winds 5 to 10 kt, becoming SW 10 to 15 kt with gusts upto 20 kt in the afternoon. Waves 1 foot or less.
SAT NIGHT
SW winds 10 to 15 kt. Gusts up to 20 kt in theevening. Waves around 2 ft. A chance of showers after midnight.
SUN
SW winds 10 to 15 kt with gusts up to 20 kt. Waves around2 ft. A chance of showers.
SUN NIGHT THROUGH MON NIGHT
SE winds 5 to 10 kt. Waves around2 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.
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