Surf Forecasts:
Lighthouse surf forecast from 18 Jul 2026:
- Best quality surf: Wednesday 22 Jul, 11PM (local time) - 6ft (1.9m), 9s period, S swell with offshore winds.
- Most powerful swell: Wednesday 22 Jul, 5PM (local time) - 8ft (2.5m), 9s period, S swell with 1,263 kJ wave energy.
- Next surfable swell (1★+): Sunday 19 Jul, 8AM (local time) - 3.5ft (1.1m), 6s period with SSW 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 Sunday (Jul 19) at 8AM. The primary swell is predicted to be 1.1m and 6s period with a secondary swell of 0.1m and 13s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Lighthouse in the next 16 days are 2.5m 9s and forecast to arrive on Wednesday (Jul 22) at 5PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 6s period and expected on Saturday (Jul 18) at 11PM.
| Wave Type | Time (EDT) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Sun 19th Jul) | 3.5ft (1.1m) 6s |
| Best Surf | 11PM (Wed 22nd Jul) | 6ft (1.9m) 9s |
| Most Powerful | 5PM (Wed 22nd Jul) | 8ft (2.5m) 9s |
Table - best surf conditions forecast for Lighthouse over the next 16 days.
The Lowdown
Alright, let’s see what’s happening at Lighthouse (Point Judith). It’s a reef and point setup that needs a good southerly swell to wake up, and right now, it’s been pretty sleepy. The water’s at 70°, which is normal for this time of year.
The first few days are a total bust. Friday the 17th through Saturday the 19th are flat to tiny, with weak, short-period windswell and messy winds. The combined energy is just 7 or 22, so don’t even think about paddling out.
We get a little bump on Sunday the 19th afternoon. Swell hits 3ft from the SSW, period around 7 seconds, and the wind goes offshore from the WNW at 12 mph. That’s clean, but the wave quality is just ordinary. The energy is only 120, so it’s weak. Not a standout.
Monday the 20th morning is glassy—wind from the SSE at just 3 mph—with a small 3ft S swell, period 8 seconds. It’s clean, but energy is low at 87. Fine for a longboard, but nothing special.
The big news is Wednesday the 22nd into Thursday the 23rd. On Wednesday afternoon, a solid 8ft S swell rolls in with a 10 second period, and the wind is cross-off from the SW at 16 mph. The combined energy hits 1902, which is very strong. This is a powerful groundswell, but it’s over 8ft, so expert-only. The reef and point setup will handle the long period well, but crowds are “sometimes,” so expect company. That’s the biggest wave of the window.
Thursday the 23rd morning is a good follow-up: 5ft from the S, 8 seconds, with clean offshore wind from the west at 6 mph. Energy is 363, moderate, and the conditions are clean. That’s a solid day for intermediate surfers.
After that, it drops off again. From Friday the 24th onward, it’s back to small, weak, and messy. There’s a glassy morning on Sunday the 26th with 3ft, but energy is only 108. Another glassy window on the morning of the 31st with 2ft, but again, nothing to write home about.
So, the standout is Wednesday the 22nd afternoon for the big, powerful swell, but that’s for experts. The best bet for most folks is Thursday the 23rd morning—clean, manageable size, and decent energy. After that, it’s a long stretch of small, poor conditions through the end of July and into August.
Rusty
Short Range ForecastModerate rain (total 13mm), heaviest on Sat afternoon. Warm (max 27°C on Sun afternoon, min 18°C on Sun night). Winds decreasing (fresh winds from the SW on Sat afternoon, calm by Mon morning). | Days 5-7 Weather SummaryHeavy rain (total 21mm), heaviest during Tue night. Warm (max 25°C on Wed afternoon, min 16°C on Wed night). Winds increasing (light winds from the SSW on Mon night, fresh winds from the SSE by Tue night). | ||||||||||||||||||
Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | ||||||||||||||
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) | SSW 5 | SSW 4 | S 4 | SE 13 | SSW 8 | SSW 7 | SSW 7 | S 8 | S 8 | S 8 | S 7 | SSE 5 | SSE 6 | SSW 7 | S 9 | S 9 | S 9 | SSW 8 | SE 7 |
Wave Graph  | |||||||||||||||||||
 kJ | 15 | 11 | 41 | 7 | 173 | 140 | 65 | 76 | 74 | 72 | 66 | 37 | 132 | 307 | 1263 | 469 | 298 | 180 | 62 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross | cross-off | cross-off | off | cross-off | glassy | cross | cross | cross-on | cross-on | cross | cross | cross | off | cross-off | off | cross-off |
High Tide | 11:04PM1.12m | 11:33AM1.10m | 11:52PM1.03m | 12:23PM1.05m | 00:42AM0.92m | 1:15PM1.01m | 1:33AM0.84m | 2:09PM0.97m | 2:26AM0.77m | 3:03PM0.94m | 3:22AM0.73m | 3:59PM0.93m | 4:18AM0.71m | ||||||
Low Tide | 5:22AM-0.07m | 5:50PM0.01m | 6:07AM-0.00m | 6:47PM0.09m | 6:52AM0.06m | 7:49PM0.16m | 7:39AM0.12m | 8:58PM0.22m | 8:30AM0.17m | 10:09PM0.24m | 9:30AM0.20m | 11:12PM0.23m | |||||||
 |  |  |  | | |  | | | |  | |  |  | | | | | | |
 | — | 5:26 | — | — | 5:28 | — | — | 5:28 | — | — | 5:30 | — | — | 5:31 | — | — | 5:31 | — | — |
 | 8:15 | — | 8:15 | — | — | 8:15 | — | — | 8:14 | — | — | 8:13 | — | — | 8:13 | — | — | 8:12 | — |
mm | — | — | 6 | 7 | — | — | — | — | — | — | — | — | 18 | 3 | — | — | — | — | — |
Temp °C | 25 | 24 | 21 | 21 | 25 | 27 | 25 | 23 | 23 | 21 | 22 | 22 | 22 | 23 | 25 | 23 | 21 | 23 | 22 |
Feels °C | 23 | 22 | 18 | 20 | 23 | 23 | 22 | 22 | 19 | 18 | 21 | 21 | 22 | 23 | 25 | 24 | 19 | 20 | 21 |
Swell 1 Height (m) Direction Period (s) | SSW 5 | SE 8 | SE 13 | SE 13 | SSW 8 | SSW 7 | SSW 7 | S 8 | S 8 | S 8 | — | SSW 7 | S 11 | — | S 9 | S 9 | S 9 | SE 8 | SE 7 |
| kJ | 15 | 3 | 7 | 7 | 173 | 140 | 65 | 76 | 74 | 72 | — | 17 | 2 | — | 1263 | 469 | 298 | 64 | 60 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 14 | — | — | SE 13 | SE 13 | SE 12 | SE 12 | SE 12 | SE 9 | SE 12 | S 11 | — | — | — | — | SE 8 | SE 8 | SSW 8 |
| kJ | 3 | 7 | — | — | 7 | 6 | 6 | 6 | 6 | 3 | 6 | 2 | — | — | — | — | 71 | 88 | 62 |
Swell 3 Height (m) Direction Period (s) | SE 14 | E 8 | — | — | — | — | SE 12 | SE 12 | SE 12 | S 12 | — | — | — | — | — | — | — | — | — |
| kJ | 8 | 1 | — | — | — | — | 6 | 6 | 6 | 3 | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | SSW 4 | S 4 | SSW 6 | NW 3 | — | N 3 | NNW 3 | SSW 3 | — | S 7 | SSE 5 | SSE 6 | SSW 7 | S 9 | NW 3 | — | SSW 8 | — |
| kJ | — | 11 | 41 | 131 | 1 | — | 3 | 1 | 1 | — | 66 | 37 | 132 | 307 | 904 | 3 | — | 180 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 614 | 622 | 291 | 362 | 5 | 0 | 0 | 0 | 46 | 1 | 1565 | 2603 | 1164 | 23 | 108 | 0 | 0 | 0 | 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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