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Lighthouse-Southside Surf Forecast
/ Rhode Island (33 breaks) / Rhode Island (34 breaks) /
Surf Forecasts:
Lighthouse-Southside surfForecast / Rhode Island / USA
48hr Weather and Surf, issued 7 pm Tuesday 21 Oct 2025 EDT
How big are the waves at Lighthouse-Southside today?
The current surf forecast for Lighthouse-Southside at 11PM is: 1.0m 6s primary swell from a South-southwest direction and 0.2m 12s secondary swell from a East-southeast direction, 0.1m 8s secondary swell from a South direction (forecast issued at 07:00pm October 21). The wind direction is predicted to be cross-onshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | - | - |
| Afternoon (21 Oct) | 4.5ft (1.4m) | 6s |
| Evening (21 Oct) | 3.5ft (1.1m) | 6s |
Table - waves today at Lighthouse-Southside. (Swell directed towards the surf break)
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||||||
| 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 6 | 5 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 6 | 6 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 124 | 85 | 65 | 69 | 109 | 118 | 164 | 150 | 225 | 268 | 305 | 268 | 233 | 233 | 227 | 295 | 303 | 233 | 168 | 145 | 69 | 85 | 71 | 43 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | on | cross- on | cross- on | cross- on | cross- on | on | on | on | on | on | cross- on | on | cross- on | on | on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on |
High Tide / height (m) | 8:22PM 0.94 | 8:42AM 1.09 | 8:59PM 0.91 | 9:20AM 1.07 | 9:37PM 0.87 | 9:58AM 1.03 | ||||||||||||||||||
Low Tide / height (m) | 2:32PM -0.01 | 2:21AM -0.02 | 3:01PM 0.01 | 2:46AM -0.00 | 3:29PM 0.04 | 3:12AM 0.02 | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:07 | - | - |
| Sunset | 5:55 | - | - | - | - | - | - | - | 5:54 | - | - | - | - | - | - | - | 5:52 | - | - | - | - | - | - | - |
 |  |  | |  |  |  | | | | | | | |  |  | | | | | | | | | |
Rain (mm) | - | - | - | - | - | 6 | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 16 | 15 | 16 | 16 | 17 | 15 | 16 | 17 | 16 | 15 | 14 | 12 | 11 | 10 | 12 | 13 | 14 | 12 | 10 | 10 | 9 | 9 | 11 | 13 |
| Feels °C (?) | 10 | 12 | 12 | 12 | 13 | 12 | 12 | 11 | 9 | 9 | 7 | 5 | 4 | 4 | 5 | 5 | 7 | 6 | 4 | 5 | 4 | 5 | 6 | 8 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for Rhode Island
The wind is still cross-on at Lighthouse-Southside (moderate winds from the SSW at BUOY-NWPR1 20 km from Lighthouse-Southside). 0.9m 5s windswell from the SSW with a 0.3m 11s groundswell from the ESE. 2 swells combining to make bigger set waves.
20 km away, 1 h 51 min ago
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