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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 Wednesday 13 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 9AM is: 1.8m 6s primary swell from a East direction and 0.8m 10s secondary swell from a North-northwest direction (forecast issued at 01:00am May 13). An open ocean swell of 0.1m 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 (13 May) | 6ft (1.8m) | 6s |
| Afternoon (13 May) | 6.5ft (2.0m) | 6s |
| Evening (13 May) | 6.5ft (2.0m) | 7s |
Table - waves today at Waialua Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastModerate rain (total 13mm), heaviest on Fri night. Warm (max 25°C on Fri afternoon, min 23°C on Wed morning). Mainly fresh winds. | ||||||||||||||||||||||||
Wednesday 13 | Thursday 14 | Friday 15 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | ENE 7 | NW 16 | NW 15 | NW 15 | NW 15 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | E 8 | E 8 | E 8 | E 8 | |
357 | 324 | 284 | 267 | 334 | 360 | 360 | 377 | 376 | 383 | 376 | 441 | 558 | 685 | 742 | 691 | 661 | 642 | 623 | 535 | 435 | 413 | 447 | 494 | |
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 | |
High Tide | 11:49PM0.40m | 1:09PM0.59m | 00:34AM0.34m | 1:49PM0.67m | 1:20AM0.29m | 2:30PM0.74m | ||||||||||||||||||
Low Tide | 6:26AM-0.07m | 7:50PM0.09m | 6:54AM-0.10m | 8:50PM0.06m | 7:25AM-0.12m | 9:49PM0.03m | ||||||||||||||||||
 | |  | | | |  | | | |  | | | | | | | | | |  | |  | | |
 | — | 5:50 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:55 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 5 | 3 | |
Temp °C | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 24 | 24 | 25 | 25 | 24 | 24 |
19 | 20 | 20 | 21 | 20 | 21 | 20 | 20 | 20 | 21 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 22 | 23 | 23 | 24 | 24 | 22 | 22 | |
Swell 1 Height (m) Direction Period (s) | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NW 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 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 |
 kJ | 154 | 122 | 120 | 103 | 67 | 41 | 41 | 39 | 219 | 271 | 376 | 441 | 558 | 685 | 742 | 691 | 661 | 642 | 623 | 535 | 386 | 373 | 282 | 278 |
Swell 2 Height (m) Direction Period (s) | N 12 | SSW 16 | SW 16 | SSW 15 | N 10 | N 9 | N 9 | NW 9 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | N 8 | NNE 7 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 |
| kJ | 12 | 24 | 10 | 23 | 17 | 25 | 25 | 29 | 23 | 35 | 23 | 22 | 22 | 22 | 22 | 22 | 23 | 12 | 32 | 40 | 40 | 40 | 64 | 40 |
Swell 3 Height (m) Direction Period (s) | SW 16 | N 12 | SSW 14 | S 14 | SSW 15 | SSW 15 | NW 18 | NW 18 | NW 9 | NW 9 | NW 9 | NW 9 | NW 11 | SSW 14 | SSW 14 | SSW 14 | SW 16 | SW 16 | SW 16 | N 8 | N 8 | N 8 | N 8 | SSW 13 |
| kJ | 10 | 11 | 21 | 4 | 21 | 21 | 50 | 111 | 29 | 28 | 20 | 20 | 42 | 19 | 18 | 18 | 43 | 41 | 41 | 12 | 5 | 5 | 5 | 17 |
Wind waves Height (m) Direction Period (s) | E 6 | E 6 | E 6 | E 6 | E 6 | E 7 | E 7 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 357 | 324 | 284 | 267 | 334 | 360 | 360 | 377 | 376 | 383 | 310 | 355 | 319 | 320 | 397 | 397 | 365 | 365 | 321 | 350 | 435 | 413 | 447 | 494 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 51 | 27 | 25 | 27 | 51 | 156 | 27 | 23 | 25 | 25 | 25 | 23 | 23 | 25 | 25 | 23 | 19 | 17 | 19 | 23 | 23 | 19 | 23 | 23 |
Best forecast wave conditions in Molokai | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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