WHEN.SURF FORECAST Oahu North Shore

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tomorrow

🌅5-10a 😴 Swell 1/10Wind 070° 20G26kt

A small NNW pulse is just starting to show, so expect mostly knee to thigh surf with occasional waist sets at the better magnets. The very low tide is already past, and the rising tide through the morning will soften the smaller peaks. Strong ENE trades keep plenty side chop from first light onward.

  • Typical waves:knee
  • Sets:waist, sparse
  • Surface:sideshore
  • Wind:070° 20G26kt
  • Tide:▲0.7ft 10:33a
  • Spectrum:
    • 030° 5.3ft 9s
    • 326° 1.8ft 11s
    • 331° 1.1ft 17s
    • 245° 0.4ft 16s
10a-2p 😴 Swell 1/10Wind 070° 21G27kt

Midday stays small but slowly improves as the 330 swell fills in. Common surf runs thigh to waist, with occasional waist-plus sets at the better reefs. The high tide near the start mutes the smaller peaks before the dropping tide helps a touch. Fresh trades keep the surface ruffled and strongly sideshore.

  • Typical waves:thigh
  • Sets:waist, lully
  • Surface:sideshore
  • Wind:070° 21G27kt
  • Tide:▲0.7ft 10:33a
  • Spectrum:
    • 042° 7.4ft 9s
    • 330° 1.4ft 16s
    • 327° 1.7ft 10s
    • 245° 0.4ft 16s
2-8p🌙 😕 Swell 1/10Wind 070° 20G26kt

By afternoon the swell has a little more presence, with mostly thigh to waist surf and some stomach-high sets at standout peaks. The low tide right at the start helps the small stuff stand up a bit better through midafternoon, then water levels rise again near dusk. Expect firm easterly trade texture all window long.

  • Typical waves:thigh
  • Sets:stomach, lully
  • Surface:sideshore
  • Wind:070° 20G26kt
  • Tide:▼0.5ft 2:01p
  • Spectrum:
    • 042° 7.0ft 9s
    • 329° 1.9ft 15s
    • 327° 1.6ft 10s
    • 245° 0.4ft 16s

Sunday

🌅5a-12p 😕 Swell 2/10Wind 080° 19G24kt

The NNW swell is a touch better established Sunday morning, generally around waist high with occasional stomach sets, a bit more where the 325 to 330 energy focuses. Rising tide through the window, especially late morning, will soften the smaller inside lines. Trades ease only slightly, so expect a bumpy sideshore look.

  • Typical waves:waist
  • Sets:chest, lully
  • Surface:sideshore
  • Wind:080° 19G24kt
  • Tide:▲1.0ft 11:28a
  • Spectrum:
    • 041° 6.8ft 9s
    • 325° 2.6ft 13s
12-8p🌙 😕 Swell 2/10Wind 080° 17G22kt

Still small but workable at times, with mainly waist surf and occasional stomach-high sets before a slow fade later on. After the late-morning high, the dropping tide helps shape a little through the afternoon. Easterly trades are not quite as harsh as Saturday, but there is still enough side chop to keep it bumpy.

  • Typical waves:waist
  • Sets:stomach, lully
  • Surface:sideshore
  • Wind:080° 17G22kt
  • Tide:▼0.5ft 3:39p
  • Spectrum:
    • 042° 7.2ft 9s
    • 324° 2.5ft 12s

Monday

🌅5a-12p 😴 Swell 1/10Wind 070° 18G23kt

Leftover NW energy keeps mostly knee to thigh surf with occasional waist sets, but the overall trend is down and the rising tide toward noon will make the smaller waves less reliable. Trades remain brisk from the ENE, so expect sideshore bump and only a slim chance of a cleaner look right at dawn.

  • Typical waves:knee
  • Sets:waist, sparse
  • Surface:sideshore
  • Wind:070° 18G23kt
  • Tide:▲1.2ft 12:12p
  • Spectrum:
    • 035° 4.8ft 9s
    • 063° 3.0ft 9s
    • 323° 2.1ft 11s
12-8p🌙 😴 Swell 1/10Wind 070° 18G23kt

Small leftovers continue Monday afternoon, mainly knee to thigh with sporadic waist sets at the better exposures. The drop after the midday high helps a little through the afternoon, but the swell is modest and the easterly trades keep it ruffled. More of a check-it look than a dialed one, yeah.

  • Typical waves:knee
  • Sets:thigh, sparse
  • Surface:sideshore
  • Wind:070° 18G23kt
  • Tide:▲1.2ft 12:12p
  • Spectrum:
    • 028° 4.0ft 9s
    • 060° 3.5ft 8s
    • 322° 1.8ft 11s

A sturdy high north of the islands is keeping the trade pattern locked in through the holiday weekend, with stable air limiting showers over leeward Oahu but maintaining brisk, gusty easterly winds along the North Shore. A small 330-degree swell fills Saturday, peaks around Saturday night into Sunday, then eases Monday. For surf, the main issue is persistent sideshore chop rather than any major weather hazard.

Looking ahead, a slightly larger NW swell is expected to fill Tuesday and peak Wednesday, which should push North Shore surf toward near to a little above late-May average. Trades look more moderate than strong, with only spotty passing showers, so conditions may get a bit more manageable, though easterly texture still looks like the default.

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Legend (examples)
Rating
🙂
average+
Swell
Swell 3/10
chest-high typical
Wind
Wind 060° 15kts
060° 15kts (barbs)