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Waimanalo Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Waimanalo surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Tuesday 12 May 2026 HSTForecast update in hr min s Forecast update imminent
Waimanalo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waimanalo sea temperature is
25.3° C
(Which is normal for this time of year)How big are the waves at Waimanalo today?
The current surf forecast for Waimanalo at 7AM is: 1.7m 6s primary swell from a East-northeast direction and 0.6m 12s secondary swell from a North-northwest direction, 0.3m 11s secondary swell from a Northwest direction (forecast issued at 01:00am May 12). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 6ft (1.8m) | 6s |
| Afternoon (12 May) | 6ft (1.8m) | 6s |
| Evening (12 May) | 6ft (1.9m) | 6s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Wed afternoon. Warm (max 24°C on Tue morning, min 23°C on Tue morning). Mainly fresh winds. | ||||||||||||||||||||||||
Tuesday 12 | Wednesday 13 | Thursday 14 | ||||||||||||||||||||||
2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
E 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | E 7 | E 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | NW 15 | NNW 15 | NW 15 | NW 14 | NW 14 | |
126 | 237 | 253 | 253 | 245 | 263 | 293 | 316 | 321 | 331 | 302 | 293 | 290 | 322 | 332 | 352 | 373 | 346 | 310 | 322 | 382 | 418 | 469 | 437 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | cross-on | cross-on | |
High Tide | 11:07PM0.45m | 12:39PM0.41m | 11:32PM0.43m | 1:17PM0.51m | 11:57PM0.40m | 1:58PM0.60m | ||||||||||||||||||
Low Tide | 5:52AM0.01m | 5:50PM0.17m | 6:11AM-0.05m | 6:53PM0.18m | 6:37AM-0.11m | 7:53PM0.19m | ||||||||||||||||||
 | |  | | | | | | |  | | | |  | | | | |  | | | | | | |
 | — | 5:54 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 |
19 | 18 | 19 | 20 | 20 | 20 | 18 | 19 | 19 | 20 | 19 | 20 | 20 | 20 | 20 | 19 | 20 | 20 | 21 | 21 | 22 | 22 | 22 | 22 | |
Swell 1 Height (m) Direction Period (s) | NNE 6 | NW 11 | NNW 12 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NNW 9 | NNW 9 | NW 9 | N 9 | N 8 | NW 16 | NNW 16 | NW 15 | NW 15 | NNW 15 | NW 15 | NW 14 | NW 14 |
 kJ | 108 | 40 | 106 | 91 | 118 | 114 | 111 | 85 | 83 | 72 | 50 | 47 | 32 | 20 | 25 | 23 | 132 | 177 | 242 | 322 | 382 | 418 | 469 | 437 |
Swell 2 Height (m) Direction Period (s) | NW 11 | NNW 12 | NW 11 | NW 10 | S 16 | S 16 | S 16 | S 15 | S 15 | S 15 | S 15 | S 15 | N 10 | N 9 | NW 9 | NW 17 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 |
| kJ | 55 | 50 | 18 | 16 | 46 | 45 | 20 | 18 | 38 | 38 | 38 | 38 | 17 | 15 | 20 | 76 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 21 |
Swell 3 Height (m) Direction Period (s) | NNW 13 | N 10 | S 16 | S 16 | S 12 | S 9 | N 12 | N 12 | N 12 | S 11 | S 11 | N 10 | S 14 | S 14 | NW 18 | NW 9 | NW 9 | NW 9 | NNW 9 | NW 11 | NW 11 | SW 18 | SE 6 | SSE 12 |
| kJ | 33 | 7 | 20 | 46 | 3 | 2 | 12 | 12 | 11 | 2 | 2 | 8 | 16 | 15 | 50 | 12 | 12 | 12 | 7 | 19 | 30 | 12 | 2 | 14 |
Wind waves Height (m) Direction Period (s) | E 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | E 7 | E 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
| kJ | 126 | 237 | 253 | 253 | 245 | 263 | 293 | 316 | 321 | 331 | 302 | 293 | 290 | 322 | 332 | 352 | 373 | 346 | 310 | 284 | 259 | 261 | 301 | 336 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 44 | 45 | 50 | 50 | 56 | 52 | 52 | 50 | 50 | 50 | 50 | 50 | 57 | 55 | 50 | 50 | 44 | 44 | 44 | 44 | 45 | 50 | 44 | 44 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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