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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 pm Thursday 14 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
25.4° C
(Which is slightly warmer than usual)How big are the waves at Waimanalo today?
The current surf forecast for Waimanalo at 9PM is: 1.1m 14s primary swell from a Northwest direction and 0.4m 8s secondary swell from a North direction, 1.6m 7s secondary swell from a East-northeast direction (forecast issued at 01:00pm May 14). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 May) | 2.5ft (0.8m) | 15s |
| Afternoon (14 May) | 3ft (0.9m) | 15s |
| Evening (14 May) | 3.5ft (1.1m) | 14s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 18mm), heaviest on Fri afternoon. Warm (max 24°C on Thu afternoon, min 23°C on Thu night). Winds decreasing (fresh winds from the ENE on Thu afternoon, light winds from the E by Sat night). | ||||||||||||||||||||||||
Thu 14 | Friday 15 | Saturday 16 | Sun 17 | |||||||||||||||||||||
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 | 2 AM | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 15 | NNW 15 | NW 15 | NW 14 | NW 14 | NW 13 | ENE 8 | E 8 | E 8 | E 7 | E 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
322 | 382 | 418 | 469 | 437 | 352 | 342 | 329 | 292 | 320 | 285 | 308 | 356 | 353 | 322 | 322 | 322 | 322 | 310 | 280 | 280 | 326 | 412 | 367 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 1:58PM0.60m | 00:24AM0.37m | 2:40PM0.66m | 00:53AM0.34m | 3:26PM0.70m | 1:23AM0.30m | ||||||||||||||||||
Low Tide | 7:53PM0.19m | 7:07AM-0.15m | 8:52PM0.20m | 7:42AM-0.18m | 9:53PM0.20m | |||||||||||||||||||
 | | |  | |  | |  | | | | | |  | |  | | | | |  | | | | |
 | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — |
 | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:01 | — | — | — | — | 7:01 |
— | — | — | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 4 | 2 | 2 | — | — | — | — | — | — | 1 | — | — | — | — | |
Temp °C | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
22 | 21 | 21 | 22 | 23 | 23 | 23 | 24 | 23 | 23 | 24 | 23 | 23 | 24 | 24 | 24 | 25 | 24 | 24 | 25 | 26 | 27 | 26 | 25 | |
Swell 1 Height (m) Direction Period (s) | NW 15 | NNW 15 | NW 15 | NW 14 | NW 14 | NW 13 | NW 13 | NNW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NNW 11 | ENE 8 | NW 11 | ENE 8 | NW 11 | NW 11 | ENE 8 | ENE 8 | NNW 10 | NNW 10 | ENE 8 |
 kJ | 322 | 382 | 418 | 469 | 437 | 352 | 342 | 295 | 227 | 212 | 147 | 144 | 112 | 85 | 322 | 59 | 322 | 58 | 58 | 280 | 280 | 41 | 42 | 367 |
Swell 2 Height (m) Direction Period (s) | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | NNE 8 | N 8 | N 8 | N 8 | N 8 | N 8 | NNW 15 | NNW 11 | NNW 13 | NW 11 | SSE 10 | SSW 16 | NNW 11 | NNW 10 | SSE 12 | SSE 11 | NNW 10 |
| kJ | 22 | 22 | 22 | 22 | 22 | 22 | 20 | 12 | 12 | 11 | 11 | 11 | 5 | 21 | 82 | 18 | 58 | 10 | 26 | 46 | 42 | 13 | 12 | 42 |
Swell 3 Height (m) Direction Period (s) | NW 11 | NNW 11 | S 12 | NW 10 | S 12 | S 12 | S 12 | SSE 12 | SSE 11 | SSE 11 | SSE 11 | SSE 11 | NNW 15 | SSE 11 | SSE 11 | SSE 11 | NNW 13 | NNW 13 | SSE 10 | SSW 16 | SSE 12 | SSW 17 | SSW 17 | SSE 11 |
| kJ | 19 | 11 | 3 | 15 | 11 | 11 | 11 | 13 | 13 | 12 | 12 | 12 | 21 | 11 | 11 | 11 | 17 | 17 | 10 | 26 | 14 | 29 | 27 | 12 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | E 8 | E 8 | E 7 | E 7 | ENE 8 | ENE 8 | ENE 8 | — | ENE 8 | — | ENE 8 | ENE 8 | — | — | ENE 8 | ENE 8 | — |
| kJ | 258 | 254 | 247 | 254 | 276 | 327 | 336 | 329 | 292 | 320 | 285 | 308 | 356 | 353 | — | 322 | — | 322 | 310 | — | — | 326 | 412 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 44 | 45 | 50 | 44 | 44 | 9 | 9 | 15 | 42 | 44 | 18 | 17 | 44 | 15 | 15 | 15 | 21 | 44 | 15 | 15 | 9 | 6 | 9 | 15 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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