Surf Forecasts:
Lighthouse surf forecast from 20 Aug 2026:
- Best quality surf: Monday 24 Aug, 11PM (local time) - 2.5ft (0.8m), 7s period, S swell with offshore winds.
- Most powerful swell: Sunday 23 Aug, 11PM (local time) - 5ft (1.5m), 6s period, S swell with 187 kJ wave energy.
- Next surfable swell (1★+): Monday 24 Aug, 11PM (local time) - 2.5ft (0.8m), 7s period with S swell.
Best Forecast Surf Conditions for Lighthouse this week:
The surf forecast for Lighthouse over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Monday (Aug 24) at 11PM. The primary swell is predicted to be 0.8m and 7s period with a secondary swell of 0.3m and 11s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Lighthouse in the next 16 days are 1.5m 6s and forecast to arrive on Sunday (Aug 23) at 11PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 6s period and expected on Thursday (Aug 27) at 8AM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Mon 24th Aug) | 2.5ft (0.8m) 7s |
| Best Surf | 11PM (Mon 24th Aug) | 2.5ft (0.8m) 7s |
| Most Powerful | 11PM (Sun 23rd Aug) | 5ft (1.5m) 6s |
Table - best surf conditions forecast for Lighthouse over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's take a hard look at what's on the table.
To be straight with you, this is a rough patch for the Point Judith area. We're looking at a solid 16-day stretch with nothing but "poor surf conditions" showing in the data. The whole run is basically a write-off for anything worth paddling out for.
Starting from Thursday, the 20th of August, right through the rest of the month and into the first few days of September, it’s a wasteland. The swell is tiny, mostly around 1 ft to 3 ft, and the period is junk – mostly under 8 seconds. The wind is almost always cross or onshore, chopping everything up. The combined wave energy is weak, barely cracking triple digits on a couple of afternoons (like the 99 on Sunday, 23rd August, and 266 on Monday, 24th August), but that energy is worthless when it’s attached to such small, messy swell.
The only glimmer on the whole chart is a short window on the morning of Tuesday, the 25th of August. You get a clean, offshore wind from the WNW at 9 mph, which is a huge plus for a reef and point break like Lighthouse (Point Judith). The water temp is about 70°F, which is normal for this time of year. But the catch is brutal: the swell is a knee-wobbling 1 ft from the SE with a period of 11 seconds. That long period might make it look okay, but there’s simply not enough water moving. The combined energy is a paltry 37. It’s a tease, not a session.
For the rest of the run, expect plenty of light rain, moderate rain, and cross-onshore winds. Saturday the 22nd and Friday the 28th look particularly unpleasant. Even when the winds turn offshore again in the first week of September, like on the 3rd and 4th, the swell is still too small to bother. The water temp anomaly is basically flat, so no weird currents to blame.
Honestly, if you’re looking to paddle, save your energy. This setup with the consistent onshore wind and small, weak swell looks more interesting for kite surfing than a proper surf session.
Rusty.
Short Range ForecastHeavy rain (total 26mm), heaviest during Sat morning. Warm (max 26°C on Thu afternoon, min 19°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryModerate rain (total 11mm), heaviest on Sun morning. Warm (max 23°C on Sun afternoon, min 15°C on Mon night). Wind will be generally light. | ||||||||||||||||||||
Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | E 4 | S 5 | SSE 5 | SSE 6 | S 6 | S 6 | SSW 7 | SSW 7 | S 7 | SE 11 | SE 10 | SE 10 | SE 9 | SE 9 | SSW 5 |
Wave Graph  | |||||||||||||||||||||
 kJ | 11 | 11 | 17 | 17 | 17 | 10 | 25 | 13 | 39 | 42 | 82 | 163 | 149 | 124 | 44 | 18 | 18 | 17 | 13 | 14 | 42 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | cross-off | cross-off | cross-on | cross-on | on | cross-on | cross | cross | cross | cross | cross-off | cross-off | cross-off | off | off | cross-off | off | cross-on | cross-on | cross-on |
High Tide | 2:21PM0.89m | 2:42AM0.69m | 3:20PM0.87m | 3:44AM0.69m | 4:18PM0.88m | 4:44AM0.72m | 5:12PM0.91m | 5:38AM0.77m | 6:01PM0.96m | 6:26AM0.84m | 6:46PM1.01m | 7:09AM0.92m | 7:28PM1.05m | ||||||||
Low Tide | 9:21PM0.30m | 8:20AM0.25m | 10:39PM0.29m | 9:48AM0.27m | 11:36PM0.25m | 11:03AM0.24m | 00:18AM0.20m | 11:56AM0.20m | 00:52AM0.15m | 12:38PM0.14m | 1:22AM0.09m | 1:16PM0.09m | 1:50AM0.04m | ||||||||
 |  |  | | |  |  |  | | |  |  | | |  | | | | | |  | |
 | 5:58 | — | — | 6:00 | — | — | 6:01 | — | — | 6:01 | — | — | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — |
 | — | 7:37 | — | — | 7:36 | — | — | 7:35 | — | — | 7:32 | — | — | 7:31 | — | — | 7:30 | — | — | 7:29 | — |
mm | — | — | 1 | — | — | — | 10 | 12 | 3 | 7 | 3 | 1 | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 26 | 23 | 22 | 24 | 22 | 19 | 20 | 20 | 20 | 23 | 23 | 21 | 23 | 21 | 19 | 22 | 21 | 21 | 22 | 21 |
Feels °C | 26 | 25 | 20 | 20 | 22 | 21 | 18 | 22 | 21 | 23 | 25 | 23 | 18 | 20 | 17 | 16 | 18 | 18 | 21 | 21 | 20 |
Swell 1 Height (m) Direction Period (s) | SE 7 | SE 7 | SE 8 | SE 8 | SE 8 | SE 8 | S 5 | S 5 | SE 9 | SSE 6 | SSE 12 | S 6 | S 6 | SE 11 | S 7 | SSW 6 | SE 5 | SSW 6 | SE 9 | SE 9 | SE 9 |
| kJ | 11 | 11 | 17 | 17 | 17 | 10 | 8 | 13 | 3 | 42 | 14 | 163 | 104 | 19 | 44 | 14 | 5 | 8 | 13 | 14 | 14 |
Swell 2 Height (m) Direction Period (s) | SSW 5 | SE 8 | S 5 | S 5 | S 5 | SSW 5 | ESE 8 | ESE 8 | SE 13 | SE 12 | SE 9 | SE 12 | SSE 12 | SE 8 | SE 11 | SE 6 | SE 10 | SE 10 | SE 5 | SE 6 | SE 6 |
| kJ | 3 | 11 | 2 | 1 | 2 | 3 | 6 | 6 | 6 | 6 | 3 | 5 | 13 | 2 | 18 | 5 | 17 | 17 | 1 | 1 | 1 |
Swell 3 Height (m) Direction Period (s) | S 6 | S 5 | — | — | S 14 | SE 14 | SSE 7 | SE 9 | E 8 | SE 8 | — | E 7 | — | — | SE 11 | SE 11 | SE 6 | SE 5 | E 6 | SE 13 | E 12 |
| kJ | 2 | 2 | — | — | 4 | 7 | 4 | 3 | 1 | 3 | — | 4 | — | — | 18 | 18 | 5 | 1 | 1 | 7 | 3 |
Wind waves Height (m) Direction Period (s) | — | SW 3 | — | — | — | E 4 | E 4 | E 4 | SSE 5 | — | S 6 | — | SSW 7 | SSW 7 | NNW 3 | NNW 2 | SW 6 | SW 3 | SSW 6 | S 4 | SSW 5 |
| kJ | — | 1 | — | — | — | 9 | 25 | 6 | 39 | — | 82 | — | 149 | 124 | 3 | 1 | 18 | 4 | 12 | 9 | 42 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 140 | 173 | 173 | 614 | 2735 | 178 | 689 | 79 | 137 | 173 | 1 | 1 | 1 | 186 | 0 | 69 | 69 | 224 | 868 | 868 | 0 |
Best forecast wave conditions in Rhode Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Lighthouse Surf forecast
The above surf forecast table for Lighthouse provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Lighthouse can be found by selecting the local surf guide option on the grey menu. Our Lighthouse surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Lighthouse) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Lighthouse may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Lighthouse is 8 km (5 miles) from Narragansett Pier. If you plan a vacation in Rhode Island, look for hotels and other accommodation in Narragansett Pier. Narragansett Pier has rooms for a wide range of budgets as well as car hire and transport links.
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