Marine Forecast
Illustrated map of Quabbin Reservoir

Marine forecast

Rhode Island Sound, MA

current wind
7 kt SSE
Gusts
7 kt
Seas
3.0 ft
Period
8 sec
72-hr peak
22 kt

Observed Tue 3:00 PM | ANZ235

Gusts now
7 kt
Seas now
3.0 ft · 8 sec
72-hr peak
22 kt
Peak seas
5 ft

In brief

At 3:00 pm EDT on Oct 13, 2026, NDBC station BUZM3 (Buzzards Bay, MA, 6 miles away) measured wind from the SSE at 7 kt; buoy 44085 measured seas of 3.0 ft. The NWS forecast for Rhode Island Sound, MA issued at 1:04 pm EDT on Oct 13, 2026 reads, for this afternoon: “SE winds around 10 kt. Seas 3 to 4 ft.” A Small Craft Advisory is in effect until Wed 12:00 PM.

Source: National Weather Service Boston/Norton MA forecast; NDBC observations

Wind forecast · ktPeak 22 kt

05101520253035Wed 14Thu 15Fri 1605101520253035Wed 14Thu 15Fri 16
Sustained GustOct 13-16 | EDT

Seas forecast · ftPeak 5 ft

012345Wed 14Thu 15Fri 16012345Wed 14Thu 15Fri 16
Oct 13-16 | EDT

Marine advisory

Small Craft Advisory in effect for Rhode Island Sound until Wed 12:00 PM.

Full text of this small craft advisory

* WHAT...Southwest winds 15 to 25 kt and seas 3 to 5 feet expected. * WHERE...Portions of Massachusetts coastal waters and Rhode Island coastal waters. * WHEN...From midnight tonight to noon EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft.

NWS marine forecast

PeriodForecast
This AfternoonSE winds around 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds and NE 1 foot at 3 seconds. Patchy drizzle.
TonightSW 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 E 1 foot at 4 seconds.
WedSW winds 15 to 20 kt with gusts up to 25 kt. Seas 3 to 5 ft. Wave Detail: SW 5 ft at 7 seconds and SE 4 ft at 14 seconds.
Wed NightNW winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. Wave Detail: SW 4 ft at 7 seconds and SE 3 ft at 8 seconds.
ThuN winds 15 to 20 kt, becoming NE 10 to 15 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: N 3 ft at 5 seconds and SE 2 ft at 10 seconds.
Thu NightE winds 5 to 10 kt, becoming SE 10 to 15 kt after midnight. Seas around 2 ft. Wave Detail: SE 2 ft at 3 seconds and S 2 ft at 6 seconds.
FriS winds 20 to 25 kt with gusts up to 30 kt. Seas 3 to 5 ft. Showers.
Fri NightW winds 25 to 30 kt with gusts up to 35 kt. Seas 5 to 8 ft. Showers likely.
SatNW winds 25 to 35 kt. Seas 5 to 8 ft.
Sat NightNW winds 25 to 30 kt. Seas 4 to 6 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.

Issued Tue 1:04 PM by Boston/Norton MA (product CWFBOX).

TimeWindGustSeasWater
Tue 3:00 PM 7 kt SSE 7 kt — —
Tue 2:00 PM 7 kt SSE 8 kt — —
Tue 1:00 PM 11 kt SE 12 kt — —
Tue 12:00 PM 13 kt ESE 14 kt — —
Tue 11:00 AM 10 kt E 11 kt — —
Tue 10:00 AM 12 kt E 13 kt — —
Tue 9:00 AM 14 kt ENE 16 kt — —
Tue 8:00 AM 13 kt E 15 kt — —
Tue 7:00 AM 17 kt ENE 18 kt — —
Tue 6:00 AM 15 kt E 16 kt — —
Tue 5:00 AM 15 kt ENE 16 kt — —
Tue 4:00 AM 15 kt NE 16 kt — —

Observed Tue 3:00 PM at NDBC buoy BUZM3 (Buzzards Bay, MA), 5.7 miles away. Seas from buoy 44085 (Buzzards Bay, MA (260)), 6.3 miles away, at Tue 3:00 PM.

What is the marine forecast for Rhode Island Sound today?

This Afternoon: SE winds around 10 kt. Seas 3 to 4 ft. Wave Detail: SE 4 ft at 8 seconds and NE 1 foot at 3 seconds. Patchy drizzle.

Is there a small craft advisory for Rhode Island Sound?

Yes — small craft advisory in effect until Wed 12:00 PM.

How high are the waves at Rhode Island Sound right now?

Seas are running 3.0 ft at a 8-second period, measured at NDBC buoy BUZM3 Tue 3:00 PM, 5.7 miles from this zone. The forecast peaks at 5.0 ft Fri 1 PM.

What do the wind speeds in knots mean?

One knot is 1.15 mph. The National Weather Service issues a small craft advisory for sustained winds of roughly 22–33 knots or hazardous seas, a gale warning at 34–47 knots, and a storm warning at 48 knots and above. Exact advisory thresholds vary by forecast office and by water body — a bay reaches dangerous chop at a lower wind speed than open ocean.

Where does this forecast come from?

The forecast text is the National Weather Service's own marine bulletin for zone ANZ235, issued by Boston/Norton MA, reproduced in full. The wind and seas charts are drawn from the NWS gridded forecast for a point inside the zone. Observations come from the nearest reporting NDBC buoy. We are not affiliated with NOAA or the National Weather Service.

Forecast: NOAA/NWS product CWFBOX, issued Tue 1:04 PM. Observations: NOAA National Data Buoy Center station BUZM3, read Tue 3:00 PM. Retrieved Oct 13, 3:42 PM. Conditions offshore change faster than any page can be rebuilt, so check the current NWS bulletin and your own instruments before going out.