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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 am Sunday 17 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
25.2° C
(Which is normal for this time of year)How big are the waves at Waialua Rivermouth today?
The current surf forecast for Waialua Rivermouth at 5AM is: 1.6m 8s primary swell from a East-northeast direction and 0.6m 10s secondary swell from a North-northwest direction (forecast issued at 01:00am May 17). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 5ft (1.6m) | 8s |
| Afternoon (17 May) | 5ft (1.6m) | 8s |
| Evening (17 May) | 7ft (2.2m) | 8s |
Table - waves today at Waialua Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Mon afternoon. Warm (max 25°C on Sun morning, min 23°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||||||
Sunday 17 | Monday 18 | Tuesday 19 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 6 | E 6 | E 6 | E 8 | E 8 | E 8 | E 8 | E 8 | |
359 | 326 | 316 | 326 | 326 | 448 | 588 | 627 | 619 | 579 | 526 | 476 | 428 | 383 | 428 | 418 | 284 | 284 | 293 | 401 | 453 | 475 | 535 | 588 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | 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 | 2:54AM0.20m | 4:01PM0.79m | 3:46AM0.17m | 4:51PM0.78m | 4:45AM0.15m | 5:43PM0.74m | ||||||||||||||||||
Low Tide | 8:38AM-0.12m | 11:47PM0.01m | 9:20AM-0.11m | 00:48AM0.01m | 10:06AM-0.07m | |||||||||||||||||||
 | |  | | |  |  | | | | | |  | | | | | | | | | | | | |
 | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:47 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:58 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 25 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
27 | 27 | 25 | 26 | 25 | 23 | 23 | 21 | 21 | 21 | 23 | 22 | 22 | 23 | 23 | 23 | 21 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | SW 14 | SW 14 | SW 14 | SSW 14 | NW 13 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NNW 11 | NW 11 | NNW 11 | NNW 11 | NW 11 |
 kJ | 359 | 326 | 316 | 326 | 326 | 65 | 38 | 37 | 35 | 52 | 51 | 51 | 80 | 42 | 38 | 37 | 69 | 61 | 59 | 82 | 103 | 84 | 76 | 92 |
Swell 2 Height (m) Direction Period (s) | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | SSW 15 | SW 15 | SW 15 | SW 14 | NW 9 | NW 9 | NW 14 | NW 13 | SW 13 | SW 14 | SW 13 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 14 | SSW 14 |
| kJ | 72 | 69 | 69 | 68 | 67 | 84 | 54 | 54 | 52 | 22 | 21 | 48 | 45 | 45 | 48 | 44 | 47 | 48 | 51 | 51 | 52 | 53 | 81 | 82 |
Swell 3 Height (m) Direction Period (s) | SW 15 | SW 15 | SSW 15 | SW 15 | SSW 15 | NW 18 | NW 16 | NW 16 | NW 16 | NW 15 | NW 15 | NW 9 | SW 19 | SW 19 | SSW 19 | SW 16 | SSW 16 | SW 18 | SW 18 | SW 18 | SW 18 | SSW 18 | SW 18 | N 13 |
| kJ | 54 | 54 | 84 | 104 | 84 | 78 | 68 | 66 | 62 | 55 | 54 | 21 | 59 | 59 | 37 | 38 | 27 | 49 | 49 | 49 | 49 | 31 | 12 | 14 |
Wind waves Height (m) Direction Period (s) | — | — | — | ENE 8 | — | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 6 | E 6 | E 6 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | — | — | — | 165 | — | 448 | 588 | 627 | 619 | 579 | 526 | 476 | 428 | 383 | 428 | 418 | 284 | 284 | 293 | 401 | 453 | 475 | 535 | 588 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 15 | 19 | 17 | 25 | 27 | 23 | 23 | 23 | 25 | 25 | 23 | 23 | 23 | 23 | 23 | 25 | 23 | 25 | 25 | 28 | 23 | 23 | 23 |
Best forecast wave conditions in Molokai | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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