Surfing · Hawaii
Surfing in Oahu
Live swell, wind, and tide forecast for surfing in Oahu, HI. Open the app for a live verdict, tappable factor breakdown, and a 10-day forecast — free, no signup needed.
Current conditions snapshot (updated hourly)
Water
78°F
Wind
3 kts
Wave
3.5 ft
Swell
3.2 ft
Period
10.2s
Snapshot at build time. Live values, factor breakdowns, and 10-day forecast live in the app.
About Oahu
World-class bluewater spearfishing for mahi, wahoo, and yellowfin tuna — the FAD buoys off shore are legendary. North Shore surf breaks in winter are the gold standard.
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.
- 10-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.