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Waialua Rivermouth Surf Forecast
/ HAW – Molokai (14 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Waialua Rivermouth surfForecast / HAW – Molokai / USA
48hr Weather and Surf, issued 1 pm Tuesday 12 May 2026 HSTForecast update in hr min s Forecast update imminent
Waialua Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waialua Rivermouth sea temperature is
25.4° C
(Which is slightly warmer than usual)How big are the waves at Waialua Rivermouth today?
The current surf forecast for Waialua Rivermouth at 4PM is: 1.9m 6s primary swell from a East direction and 0.9m 10s secondary swell from a North-northwest direction (forecast issued at 01:00pm May 12). An open ocean swell of 0.2m 16s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 5.5ft (1.7m) | 6s |
| Afternoon (12 May) | 6ft (1.9m) | 6s |
| Evening (12 May) | 6.5ft (2.0m) | 6s |
Table - waves today at Waialua Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 24°C on Tue afternoon, min 23°C on Tue night). Mainly fresh winds. | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
ENE 6 | ENE 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | NW 16 | NW 15 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | |
282 | 284 | 288 | 308 | 275 | 328 | 293 | 284 | 267 | 373 | 384 | 396 | 416 | 387 | 393 | 394 | 441 | 558 | 685 | 742 | 691 | 661 | 642 | 552 | |
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 | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 12:31PM0.48m | 11:49PM0.40m | 1:09PM0.59m | 00:34AM0.34m | 1:49PM0.67m | 1:20AM0.29m | ||||||||||||||||||
Low Tide | 6:44PM0.12m | 6:26AM-0.07m | 7:50PM0.09m | 6:54AM-0.10m | 8:50PM0.06m | 7:25AM-0.12m | ||||||||||||||||||
 |  | |  | |  | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — |
 | — | — | 6:55 | — | — | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | 6:57 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 24 | 24 |
20 | 20 | 21 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 20 | 21 | 21 | 20 | 21 | 22 | 22 | 22 | 22 | 21 | 21 | 23 | 22 | |
Swell 1 Height (m) Direction Period (s) | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 9 | NW 9 | NW 9 | N 9 | NW 16 | NW 16 | NW 16 | NW 15 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 |
 kJ | 126 | 112 | 212 | 190 | 154 | 154 | 122 | 120 | 103 | 73 | 41 | 40 | 38 | 219 | 271 | 376 | 441 | 558 | 685 | 742 | 691 | 661 | 642 | 552 |
Swell 2 Height (m) Direction Period (s) | NW 11 | NW 11 | SSW 16 | SSW 16 | SSW 16 | N 12 | SSW 16 | SW 16 | SSW 15 | N 10 | N 9 | N 9 | NW 9 | N 8 | NW 9 | N 8 | N 8 | NW 11 | N 8 | N 8 | N 8 | N 8 | N 8 | SW 16 |
| kJ | 110 | 72 | 25 | 25 | 24 | 12 | 24 | 10 | 23 | 17 | 26 | 26 | 29 | 22 | 28 | 35 | 35 | 42 | 22 | 22 | 22 | 12 | 12 | 41 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | SSW 16 | N 13 | N 13 | N 12 | SW 16 | N 12 | S 14 | S 14 | SSW 15 | SSW 15 | NW 18 | NW 18 | NW 9 | N 8 | NW 9 | NW 9 | N 8 | SSW 14 | SSW 14 | SSW 14 | SW 16 | SW 16 | N 8 |
| kJ | 25 | 25 | 14 | 13 | 12 | 10 | 11 | 16 | 4 | 21 | 21 | 50 | 111 | 29 | 22 | 20 | 20 | 22 | 19 | 18 | 18 | 43 | 41 | 12 |
Wind waves Height (m) Direction Period (s) | ENE 6 | ENE 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | E 7 | ENE 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 282 | 284 | 288 | 308 | 275 | 328 | 293 | 284 | 267 | 373 | 384 | 396 | 416 | 387 | 393 | 394 | 320 | 329 | 337 | 381 | 407 | 412 | 447 | 413 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 23 | 23 | 25 | 27 | 27 | 23 | 23 | 27 | 25 | 25 | 23 | 51 | 23 | 27 | 23 | 25 | 25 | 25 | 23 | 23 | 23 | 23 | 23 | 23 |
Best forecast wave conditions in Molokai | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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