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Surf forecast for K38/39

Tide
⏱️s.
⚡️kJ
Timezone:
America/New_York
Forecast updated:
23/06, 08:00
Wind: SN UNITY Atmos
(20260623 00z)
Waves: SN UNITY WAVE
(20260623 00z)
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Timeline

Tomorrow Tue 23/06 to Wed 24/06
No surf windows (2 days)
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K38/39 Surf Forecast Guide

K38/39, often referred to as "The Ks," is situated inside the breakwall of Point Judith Harbor of Refuge. It's known for being one of the longer left waves on the East Coast. The spot features two deep-water peaks that produce long, workable walls on the lefts and shorter, steeper rights at the more eastern take-off point of K39. While it can get some decent waves, the overall consistency is just average, so don't expect it to fire every session.

The best swell direction for K38/39 is from the south, with southeast and south swells also providing some options. This spot can handle swell sizes starting at around 3 feet (about 0.9 meters), breaking over boulders and creating both left and right waves. The lefts tend to be more favorable, but rights can also work, especially at K39. For the best conditions, low to mid tide is preferable, and you’ll want the wind coming from the north for the cleanest waves. It's a spot that suits beginners due to its generally mellow vibe, though there are no barrels here, even when it gets bigger.

Keep in mind that this area is busy due to it being the third-largest fishing port on the East Coast, which means you’ll find some motorized traffic, including jetskis, in the water. Since there’s no parking directly at the commercial port, your best bet is to park at the lighthouse and take a walk of nearly a mile along the breakwall. This can be a bit of a trek, so plan accordingly!

Surf spots near K38/39

K38/39
Rhode Island, United States
Reef break
Tue 23
Wed 24
Thu 25
Fri 26
Sat 27
Lighthouse Southside
Rhode Island, United States
Point break
Tue 23
Wed 24
Thu 25
Fri 26
Sat 27
Pilgrim Avenue
Rhode Island, United States
Point break
Tue 23
Wed 24
Thu 25
Fri 26
Sat 27
Point Judith
Rhode Island, United States
Point break
Tue 23
Wed 24
Thu 25
Fri 26
Sat 27
Lighthouse
Rhode Island, United States
Point break
Tue 23
Wed 24
Thu 25
Fri 26
Sat 27

Frequently asked questions

What are good surfing conditions for K38/39?

K38/39 is usually best with swell from southeast to south (SE-S), ideally south (S) around 0.9 m / 3 ft to 4.6 m / 15 ft, north (N) offshore wind, and any tide.

Where is the surf spot K38/39?

K38/39 is a surf spot in Narragansett, Rhode Island, United States.

What is the surf break like at K38/39?

K38/39 is a left-and-right reef break over boulders. Expect a busy crowd.

What surfing skill level is K38/39 suitable for?

K38/39 can suit beginner surfers.

Is K38/39 beginner friendly for surfing?

Yes. K38/39 can suit beginner surfers when conditions are manageable.

How consistent is the surf at K38/39?

Surf consistency at K38/39 is more variable.

Is there parking for surfing at K38/39?

Parking around K38/39: restricted parking.

What surf spots are near K38/39?

Other nearby surf spots are Pilgrim Avenue, Lighthouse Southside, Point Judith, and Lighthouse.

What swell direction works for surfing at K38/39?

K38/39 can work with swell from southeast to south (SE-S); south (S) is usually best.

What swell size works for surfing at K38/39?

K38/39 usually works with swell around 0.9 m / 3 ft to 4.6 m / 15 ft.

What wind direction is best for surfing at K38/39?

North (N) offshore wind is usually best at K38/39.

What wind direction is offshore for surfing at K38/39?

North (N) is offshore at K38/39.

What tide works best for surfing at K38/39?

K38/39 can work on all tides. A rising tide is usually better here.

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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.
  • Medium confidence: Some disagreement; conditions may shift slightly.
  • Low confidence: Models diverge; treat forecast with caution.

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.

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Readme

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.

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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:

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