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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 am Thursday 30 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 11AM is: 1.7m 7s primary swell from a East-northeast direction and 0.8m 12s secondary swell from a North-northwest direction (forecast issued at 07:00am April 30). An open ocean swell of 0.1m 17s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | 5.5ft (1.7m) | 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 23°C on Thu morning, min 23°C on Thu morning). Mainly strong winds. | ||||||||||||||||||||||||
Thursday 30 | Friday 1 | Saturday 2 | Sun 3 | |||||||||||||||||||||
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 | 2 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
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 7 | ENE 8 | NW 17 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
195 | 257 | 277 | 248 | 248 | 257 | 307 | 361 | 397 | 432 | 487 | 428 | 389 | 400 | 411 | 424 | 408 | 408 | 429 | 407 | 288 | 283 | 298 | 298 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | 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 | on | on | on | |
High Tide | 2:53PM0.56m | 1:11AM0.35m | 3:24PM0.58m | 1:28AM0.32m | 3:56PM0.58m | 1:46AM0.30m | ||||||||||||||||||
Low Tide | 7:26AM-0.09m | 8:44PM0.18m | 7:46AM-0.10m | 9:27PM0.19m | 8:10AM-0.10m | 10:11PM0.20m | ||||||||||||||||||
 |  | | | | | | | | | | | | | |  | |  | | | | | | | |
 | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | 5:58 |
 | — | — | — | — | 6:54 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 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 | 23 |
19 | 19 | 19 | 19 | 19 | 19 | 19 | 18 | 18 | 18 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 20 | |
Swell 1 Height (m) Direction Period (s) | 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 | NW 14 | NW 13 | NW 13 | NW 13 |
 kJ | 154 | 187 | 184 | 222 | 190 | 215 | 269 | 261 | 241 | 230 | 226 | 177 | 156 | 148 | 326 | 424 | 331 | 375 | 429 | 407 | 288 | 261 | 253 | 205 |
Swell 2 Height (m) Direction Period (s) | NE 9 | 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 | S 14 | S 14 | SSW 16 | S 13 |
| kJ | 19 | 4 | 5 | 20 | 19 | 18 | 18 | 19 | 17 | 17 | 38 | 39 | 157 | 138 | 115 | 121 | 93 | 77 | 36 | 37 | 16 | 16 | 47 | 31 |
Swell 3 Height (m) Direction Period (s) | SE 10 | 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 | S 18 | S 12 | S 10 | SSW 16 |
| kJ | 4 | 3 | 4 | 4 | 20 | 16 | 16 | 3 | 2 | 6 | 15 | 49 | 43 | 97 | 14 | 14 | 33 | 38 | 24 | 24 | 24 | 3 | 2 | 25 |
Wind waves Height (m) Direction Period (s) | 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 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 195 | 257 | 277 | 248 | 248 | 257 | 307 | 361 | 397 | 432 | 487 | 428 | 389 | 400 | 411 | 411 | 408 | 408 | 397 | 358 | 276 | 283 | 298 | 298 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 45 | 50 | 50 | 117 | 52 | 46 | 52 | 52 | 52 | 52 | 57 | 50 | 50 | 45 | 44 | 44 | 44 | 45 | 45 | 50 | 50 | 44 | 44 | 44 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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