Marine forecast
Narragansett Bay, RI
- current wind
- 4 kt SSW
- Gusts
- 6 kt
- Seas
- 3.0 ft
- Period
- 8 sec
- Air
- 61°F
Observed Tue 2:54 PM | ANZ236
- Gusts now
- 6 kt
- Seas now
- 3.0 ft · 8 sec
- Air
- 61°F
- 72-hr peak
- 19 kt
- Peak seas
- 3 ft
In brief
At 2:54 pm EDT on Oct 13, 2026, NDBC station PTCR1 (Potter Cove, Prudence Island, RI, 2 miles away) measured wind from the SSW at 4 kt, gusting to 6 kt; buoy 44085 measured seas of 3.0 ft. The NWS forecast for Narragansett Bay, RI issued at 1:04 pm EDT on Oct 13, 2026 reads, for this afternoon: “SE winds 5 to 10 kt. Waves 2 to 3 ft.”
Source: National Weather Service Boston/Norton MA forecast; NDBC observations
Wind forecast · ktPeak 19 kt
Seas forecast · ftPeak 3 ft
NWS marine forecast
| Period | Forecast |
|---|---|
| This Afternoon | SE winds 5 to 10 kt. Waves 2 to 3 ft. Patchy drizzle. |
| Tonight | S winds 10 to 15 kt with gusts up to 20 kt. Waves 2 to 3 ft. |
| Wed | W winds 10 to 15 kt. Gusts up to 20 kt in the morning. Waves 2 to 3 ft. |
| Wed Night | NW winds around 10 kt. Waves 2 to 3 ft. |
| Thu | N winds 10 to 15 kt with gusts up to 20 kt, diminishing to 5 to 10 kt in the afternoon. Waves around 2 ft. |
| Thu Night | E winds 5 to 10 kt. Waves around 2 ft. A chance of showers after midnight. |
| Fri And Fri Night | S winds 15 to 20 kt, becoming W 20 to 25 kt. Gusts up to 30 kt. Waves 2 to 4 ft. Showers. |
| Sat And Sat Night | NW winds 20 to 25 kt, diminishing to 15 to 20 kt. Gusts up to 30 kt. Waves 2 to 3 ft. At the bay entrance, waves 4 to 6 ft, subsiding to 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. |
Issued Tue 1:04 PM by Boston/Norton MA (product CWFBOX).
Recent buoy conditions
| Time | Wind | Gust | Seas | Water |
|---|---|---|---|---|
| Tue 2:54 PM | 4 kt SSW | 6 kt | — | — |
| Tue 1:54 PM | 2 kt SSW | 4 kt | — | — |
| Tue 12:54 PM | 2 kt S | 6 kt | — | — |
| Tue 11:54 AM | 3 kt ESE | 7 kt | — | — |
| Tue 10:54 AM | 3 kt E | 7 kt | — | — |
| Tue 9:54 AM | 5 kt E | 9 kt | — | — |
| Tue 8:54 AM | 9 kt E | 11 kt | — | — |
| Tue 7:54 AM | 4 kt E | 10 kt | — | — |
| Tue 6:54 AM | 5 kt E | 10 kt | — | — |
| Tue 5:54 AM | 5 kt E | 10 kt | — | — |
| Tue 4:54 AM | 3 kt ENE | 6 kt | — | — |
| Tue 3:54 AM | 3 kt ENE | 7 kt | — | — |
Observed Tue 2:54 PM at NDBC buoy PTCR1 (Potter Cove, Prudence Island, RI), 2.3 miles away. Seas from buoy 44085 (Buzzards Bay, MA (260)), 25.2 miles away, at Tue 3:00 PM.
Frequently asked questions
What is the marine forecast for Narragansett Bay today?
This Afternoon: SE winds 5 to 10 kt. Waves 2 to 3 ft. Patchy drizzle.
Is there a small craft advisory for Narragansett Bay?
No advisories, warnings or watches are in effect for NWS zone ANZ236 as of the last update on this page. Advisories can be issued at any time; check the current bulletin before leaving the dock.
How high are the waves at Narragansett Bay right now?
Seas are running 3.0 ft at a 8-second period, measured at NDBC buoy PTCR1 Tue 2:54 PM, 2.3 miles from this zone. The forecast peaks at 3.0 ft Fri 10 AM.
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 ANZ236, 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 PTCR1, read Tue 2:54 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.