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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 7 pm Wednesday 29 Apr 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
24.9° C
(Which is normal for this time of year)How big are the waves at Waimanalo today?
The current surf forecast for Waimanalo at 3AM is: 1.6m 6s primary swell from a East-northeast direction and 0.7m 12s secondary swell from a Northwest direction, 0.4m 9s secondary swell from a Northeast direction (forecast issued at 07:00pm April 29). The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | 6ft (1.8m) | 7s |
| Afternoon (30 Apr) | 5.5ft (1.7m) | 7s |
| Evening (30 Apr) | 5.5ft (1.7m) | 7s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 24°C on Sat afternoon, min 23°C on Wed night). Mainly strong winds. | ||||||||||||||||||||||||
Wed 29 | Thursday 30 | Friday 1 | Sat 2 | |||||||||||||||||||||
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 | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ENE 7 | NW 13 | NW 13 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | NW 15 | NW 14 | |
154 | 178 | 170 | 176 | 260 | 295 | 306 | 277 | 277 | 257 | 307 | 338 | 373 | 423 | 439 | 428 | 389 | 495 | 525 | 509 | 464 | 380 | 429 | 407 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | on | on | on | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | |
High Tide | 2:22PM0.53m | 00:56AM0.38m | 2:53PM0.56m | 1:11AM0.35m | 3:24PM0.58m | 1:28AM0.32m | ||||||||||||||||||
Low Tide | 8:02PM0.17m | 7:26AM-0.09m | 8:44PM0.18m | 7:46AM-0.10m | 9:27PM0.19m | 8:10AM-0.10m | ||||||||||||||||||
 |  | | | | | | | | | | | | | | | | | | | |  | | | |
 | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 5:58 | — | — | — |
 | 6:54 | — | — | — | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | 6:55 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 |
20 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 21 | |
Swell 1 Height (m) Direction Period (s) | NW 14 | NW 13 | NW 13 | NW 12 | NW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 13 | NNW 13 | NNW 13 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 12 | NNW 11 | NW 16 | NW 17 | NW 15 | NW 15 | NW 15 | NW 14 |
 kJ | 149 | 178 | 170 | 159 | 154 | 187 | 184 | 222 | 190 | 215 | 269 | 261 | 241 | 230 | 226 | 177 | 156 | 148 | 326 | 424 | 331 | 380 | 429 | 407 |
Swell 2 Height (m) Direction Period (s) | SE 10 | SE 10 | NE 9 | NE 9 | SE 10 | SE 10 | S 17 | S 16 | NNW 8 | NNW 7 | NNW 7 | S 16 | S 15 | S 15 | S 15 | S 15 | NW 18 | NW 17 | NNW 11 | NNW 12 | NNW 12 | NNW 12 | S 14 | S 14 |
| kJ | 4 | 4 | 13 | 20 | 4 | 4 | 5 | 20 | 19 | 18 | 17 | 19 | 17 | 17 | 38 | 39 | 157 | 138 | 115 | 121 | 93 | 77 | 36 | 37 |
Swell 3 Height (m) Direction Period (s) | S 13 | S 6 | SE 10 | SE 10 | S 12 | S 12 | SE 10 | SE 10 | S 16 | NE 10 | NE 10 | S 12 | S 11 | S 18 | NW 20 | NW 18 | S 16 | NW 20 | S 13 | S 13 | S 14 | SSW 14 | S 18 | S 18 |
| kJ | 3 | 1 | 4 | 4 | 3 | 3 | 4 | 4 | 20 | 15 | 16 | 3 | 2 | 6 | 15 | 49 | 43 | 97 | 14 | 14 | 33 | 38 | 24 | 24 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 154 | 126 | 135 | 176 | 260 | 295 | 306 | 277 | 277 | 257 | 307 | 338 | 373 | 423 | 439 | 428 | 389 | 495 | 525 | 509 | 464 | 368 | 322 | 256 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 116 | 45 | 45 | 44 | 45 | 50 | 50 | 116 | 57 | 46 | 50 | 46 | 50 | 50 | 50 | 52 | 50 | 50 | 50 | 50 | 44 | 45 | 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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