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Surf forecast for Kahuku

Tide
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โšก๏ธkJ
Timezone:
Pacific/Honolulu
Forecast updated:
19/06, 02:00
Wind: SN UNITY Atmos
(20260619 06z)
Waves: SN UNITY WAVE
(20260619 06z)
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Timeline

Tomorrow Fri 19/06 to Sat 20/06
No surf windows (2 days)
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Kahuku Surf Forecast Guide

Kahuku, specifically the 7th Hole, is located off the 7th hole of the Kahuku Golf Course, close to the North Shore at the start of the Windward Side. This surf spot delivers both left and right waves when the conditions are right, making it a versatile choice for surfers. There's usually surf year-round due to the consistent tradeswell, but expect the conditions to be choppy from persistent onshore trade winds, especially during the summer. The best surfing tends to happen with winter north to northeast swells paired with offshore winds, which can be hit or miss. When the conditions align, 7th Hole is known for its long rides and the occasional barrel, though catching it perfect is a rarity.

The surf here can handle swell sizes from about 5ft (1.5 meters) to 10ft (3 meters). The waves break over a reef and are identified as both right and left. For optimal surfing, wind from the south to the west (including directions like southwest and west) is preferred. Tides that work well range from low to mid, mid, and mid to high. Though most surfers here will find it suitable for intermediate and expert levels, it's worth noting that the spot can be mellow most of the time. When itโ€™s on, though, a medium skill level is recommended, particularly due to the deep and sometimes sharky channel that separates the waves.

Accessing the spot is pretty straightforward; just cross the golf course around the 7th hole. The crowd factor is usually low, but expect more company on weekends or during days when conditions improve. The local vibe generally stays mellow, so be respectful and keep the stoke high. Be aware of the reef, urchins, sharks, and currents while out there. The winter months often deliver the best swells, but you can find surf at Kahuku throughout the year thanks to its exposure to the easterly tradeswell.

Surf spots near Kahuku

Kahuku
Hawaii, United States
Reef break
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Laie Beach Park
Hawaii, United States
Unknown break
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Turtle Bay West
Hawaii, United States
Reef break
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Velzyland
Hawaii, United States
Reef break
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23
Backyards
Hawaii, United States
Reef break
Fri 19
Sat 20
Sun 21
Mon 22
Tue 23

Frequently asked questions

What are good surfing conditions for Kahuku?

Kahuku is usually best with north-northwest through north to east-southeast (NNW-N-ESE) swell around 1.5 m / 5 ft to 3 m / 10 ft, wind from south-southwest to west-northwest (SSW-WNW), with west-southwest (WSW) offshore, and any tide.

Where is the surf spot Kahuku?

Kahuku is a surf spot in Kahuku, Hawaii, United States.

What is the surf break like at Kahuku?

Kahuku is a right-and-left reef break over lava, rock, and coral. Expect a quiet crowd and a reserved lineup.

What season is best for surfing Kahuku?

The main surf season at Kahuku is autumn, winter, spring, and summer.

What surfing skill level is Kahuku suitable for?

Kahuku can suit beginner, intermediate, and expert surfers.

Is Kahuku beginner friendly for surfing?

Yes. Kahuku can suit beginner surfers when conditions are manageable.

What surfboards work at Kahuku?

Shortboard, Funboard, Longboard, Fish, Bodyboard, Gun, and Kiteboard are common choices at Kahuku.

What surf spots are near Kahuku?

Other nearby surf spots are Laie Beach Park, Turtle Bay West, Velzyland, and Backyards.

What swell direction works for surfing at Kahuku?

Kahuku can work with swell from north-northwest through north to east-southeast (NNW-N-ESE).

What swell size works for surfing at Kahuku?

Kahuku usually works with swell around 1.5 m / 5 ft to 3 m / 10 ft.

What wind direction is best for surfing at Kahuku?

Kahuku usually works with wind from south-southwest to west-northwest (SSW-WNW); west-southwest (WSW) is offshore.

What wind direction is offshore for surfing at Kahuku?

West-southwest (WSW) is offshore at Kahuku.

What tide works best for surfing at Kahuku?

Kahuku 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.

Readme

Welcome! If youโ€™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:

๐Ÿ”ฎ 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.

๐Ÿ’จ Wind section

The first row on the table (with the ๐Ÿ’จ icon) shows wind speed, direction and gust. The more the wind speed the more aggressive the color (from blue, green, orange to red).

๐ŸŒŠ 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.

๐ŸŒ’ 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 โ€” handy when arrows overlap.

Forecast Cheat Sheet

Short on time? Focus on wave energy. Itโ€™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. Hereโ€™s the scale:

Perfect
Good
Average
Bad or No Data

Session logs also feed the algorithm โ€” the more you log, the smarter your forecasts get.

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