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Surf forecast for Lighthouse Southside

Tide
⏱️s.
⚡️kJ
Timezone:
America/New_York
Forecast updated:
19/06, 14:00
Wind: SN UNITY Atmos
(20260619 18z)
Waves: SN UNITY WAVE
(20260619 18z)
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Timeline

Tomorrow Sat 20/06 to Sun 21/06
No surf windows (2 days)
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More surf windows and day entries continue below

Lighthouse Southside Surf Forecast Guide

Lighthouse Southside is a surf spot located on the south side of Pt. Judith. This spot tends to get less crowded compared to its counterpart on the right, making it a good option for those looking to avoid the hustle. It's pretty accessible with the same parking arrangements as the right side, so you won’t have to go far to get to the waves.

This place really starts to shine on a south swell, where it lines up better and can have some powerful sections. The waves generally break over boulders and it’s a left-hand point, which means you can expect some longer rides as the swell builds. On smaller days, there are three peaks that you can work with, and as the swell gets bigger, the waves start to connect nicely, filling in those gaps. While you may catch a few short rights here and there, don’t count on getting barreled; although there can be a hollow section off the first peak when the wind is coming from the northeast. This spot works best with swells coming from the east or south and can handle sizes around 3ft (about 0.9 meters). It’s suitable for intermediate surfers and works well across low, mid, and high tide levels.

Be careful of the environment here; there’s a rock on the inside with a long steel bar sticking out, so keep an eye on that when you're out in the water. Overall, Lighthouse Southside can be a fun spot if the conditions align, especially for those looking to enjoy a less crowded session.

Surf spots near Lighthouse Southside

K38/39
Rhode Island, United States
Reef break
Sat 20
Sun 21
Mon 22
Tue 23
Wed 24
Lighthouse Southside
Rhode Island, United States
Point break
Sat 20
Sun 21
Mon 22
Tue 23
Wed 24
Pilgrim Avenue
Rhode Island, United States
Point break
Sat 20
Sun 21
Mon 22
Tue 23
Wed 24
Point Judith
Rhode Island, United States
Point break
Sat 20
Sun 21
Mon 22
Tue 23
Wed 24
Lighthouse
Rhode Island, United States
Point break
Sat 20
Sun 21
Mon 22
Tue 23
Wed 24

Frequently asked questions

What are good surfing conditions for Lighthouse Southside?

Lighthouse Southside is usually best with east to south (E-S) swell around 0.9 m / 3 ft to 4.6 m / 15 ft, north (N) offshore wind, and any tide.

Where is the surf spot Lighthouse Southside?

Lighthouse Southside is a surf spot in Narragansett, Rhode Island, United States.

What is the surf break like at Lighthouse Southside?

Lighthouse Southside is a left point break over boulders. Expect a moderate crowd.

What surfing skill level is Lighthouse Southside suitable for?

Lighthouse Southside can suit intermediate surfers.

Is Lighthouse Southside beginner friendly for surfing?

Lighthouse Southside is better suited to intermediate surfers.

How consistent is the surf at Lighthouse Southside?

Lighthouse Southside is one of the more consistent surf spots in Rhode Island, United States.

Is there parking for surfing at Lighthouse Southside?

Parking around Lighthouse Southside: free parking, paid parking, and car park.

What surf spots are near Lighthouse Southside?

Other nearby surf spots are Lighthouse, Point Judith, Pilgrim Avenue, and K38/39.

What swell direction works for surfing at Lighthouse Southside?

Lighthouse Southside can work with swell from east to south (E-S).

What swell size works for surfing at Lighthouse Southside?

Lighthouse Southside usually works with swell around 0.9 m / 3 ft to 4.6 m / 15 ft.

What wind direction is best for surfing at Lighthouse Southside?

North (N) offshore wind is usually best at Lighthouse Southside.

What wind direction is offshore for surfing at Lighthouse Southside?

North (N) is offshore at Lighthouse Southside.

What tide works best for surfing at Lighthouse Southside?

Lighthouse Southside can work on all tides. A rising tide is usually better here.

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Welcome! If you’re new to surf forecasting, check out this quick guide.

Forecast Table

The forecast table (the section on the page with all the numbers) is designed to pack as much information in the screen as possible. Although intimidating at first, it will help you make informed decisions about the waves faster, trust me :D. The table consists of roughly four sections, time and predictions, wind, waves, and tides:

🔮 Time and predictions section

Here we show the forecast thour and the overall surf quality prediction. This is determined based on the wave, wind and tide quality prediction. These individual predictions can be found on the forecast map.

💨 Wind section

The first row on the table (with the 💨 icon) shows wind speed, direction and gust. The more the wind speed the more aggressive the color (from blue, green, orange to red).

🌊 Wave section

The waves section consists of three rows, one for wave height and direction, one for period and one for wave energy. Our algorithm chooses the "dominant wave" using spot-adjusted surf energy (depth + directional fit). This is usually the first swell partition, but during local storms it can switch to wind waves. If that happens, values are shown in gray and italic.

🌒 Tide section

The tide section consists of a row with the actual heights per hour (measured at the half hour) and a table that displays the flow of the tide and the extremes (lows and highs).

Forecast map

The forecast map consists of arrows. These arrows represent all wave partitions (swell partitions and wind wave partition) and the wind. This allows you to see things like: a secondary swell or wind waves messes up the surf, or the wind is just a tick offshore so very surfable. Click a metric label in the bottom left to bring that arrow to the front — handy when arrows overlap.

Forecast Cheat Sheet

Short on time? Focus on wave energy. It’s the best single metric to gauge how big and powerful the waves will be.

Click any table cell to jump to that forecast hour. The map will update with forecast arrows, so you can see if wind and swell direction are lining up.

Use the table sidebar to switch units for height and speed.

Log your surf sessions to compare forecasts with real sessions and sharpen future predictions.

Models and Updates

Surfnerd blends multiple global and local wind and swell models using advanced interpolation and spatial techniques to create an "ensemble" forecast. Forecasts are refreshed hourly.

Surf Predictions

Our AI-driven algorithm scores surf quality, shown by green, orange, and gray dots. Each forecast hour is rated for wind, swell, and tide quality, then combined into an overall score. Here’s the scale:

Perfect
Good
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Bad or No Data

Session logs also feed the algorithm — the more you log, the smarter your forecasts get.

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Confidence

Confidence tells you how much the weather models agree on the forecast.

  • High confidence: Models agree closely; forecast is reliable.
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We calculate the wind confidence by comparing wind speed, gust and direction from multiple models (like GFS, ECMWF, Arome, and Harmonie) and seeing how closely they match. For wave certainty we compare height, period and direction, also on multiple models. They are weighted, meaning that some models count more than others, depending on how good they are for a certain spot.