Surfing · Hawaii

Surfing in Oahu

Known for bluewater spearfishing — mahi, wahoo, and yellowfin tuna off the offshore FAD buoys. North Shore surf breaks in winter are a major draw.

Live swell, wind, and tide forecast for surfing in Oahu, HI. Open the app for a live verdict, tappable factor breakdown, and an 8-day forecast — free, no signup needed.

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Conditions snapshot — May 31, 2026

Water

79°F

Wind

4 kts

Wave

4.3 ft

Swell

4.4 ft

Period

12.5s

Snapshot from May 31, 2026. Live values, factor breakdowns, and 8-day forecast in the app.

Notable species

Oahu is known for:

Yellowfin Tuna (Ahi)MahiWahoo (Ono)Giant Trevally (GT)Ulua

What Submarius shows for Oahu

Verdict score (0–10). Aggregates wind, swell, tide, moon, and barometric trend into one decisive number.
Best window. The 2–3 hour stretch each day when conditions peak.
8-day forecast. Auto-scaled line graph showing which day this week is trending good.
Free, anonymous. Check conditions with location on — no signup until you want to save spots or post reports.

Safety in the water

Submarius ships OCEARCH tagged-shark alerts, community shark sightings, SOS, and buddy GPS sharing — permanently free, regardless of subscription tier. For Oahu specifically, the app shows any recent tagged sharks within range and lets you enable push notifications for sightings on your active tiles.