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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 22 Apr 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
24.6° 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 4AM is: 1.3m 14s primary swell from a North-northeast direction and 0.8m 15s secondary swell from a North-northwest direction, 0.8m 8s secondary swell from a East direction (forecast issued at 01:00am April 22). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Apr) | 4.5ft (1.4m) | 13s |
| Afternoon (22 Apr) | 4.5ft (1.4m) | 13s |
| Evening (22 Apr) | 4.5ft (1.3m) | 12s |
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 Wed morning, min 22°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||||
Wednesday 22 | Thursday 23 | Friday 24 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
NNE 14 | NNE 14 | NNE 13 | NNE 13 | NNE 13 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NW 13 | NNE 11 | NNE 11 | NNE 11 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 9 | NNE 9 | NNE 9 | NE 9 | NNE 9 | |
508 | 811 | 722 | 690 | 669 | 517 | 509 | 501 | 385 | 370 | 301 | 265 | 260 | 202 | 194 | 154 | 140 | 137 | 105 | 121 | 143 | 194 | 226 | 249 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on | |
High Tide | 7:21AM0.12m | 8:11PM0.61m | 9:21AM0.15m | 9:20PM0.58m | 10:48AM0.21m | 10:22PM0.55m | ||||||||||||||||||
Low Tide | 3:32AM0.03m | 12:09PM0.01m | 4:37AM0.01m | 1:38PM0.06m | 5:22AM-0.01m | 3:25PM0.09m | ||||||||||||||||||
 | |  | | | | | | | | | | | | | |  |  |  | | | | | | |
 | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:47 | — | — | — | — | — | — | — | 6:49 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 22 | 22 | 23 | 23 | 23 | 23 | 23 |
24 | 24 | 25 | 26 | 25 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 22 | 22 | 22 | 21 | 21 | 23 | 22 | 22 | 22 | 22 | |
Swell 1 Height (m) Direction Period (s) | NNE 14 | NNE 14 | NNE 13 | NNE 13 | NNE 13 | NNE 12 | NNE 12 | NNE 12 | NNE 12 | NNE 11 | NNE 11 | NNE 11 | NNE 11 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | NNE 9 | NNE 9 | NNE 9 | NW 13 | NNE 9 |
 kJ | 508 | 811 | 722 | 690 | 669 | 501 | 477 | 461 | 385 | 353 | 270 | 265 | 260 | 202 | 194 | 154 | 140 | 137 | 105 | 121 | 143 | 194 | 84 | 238 |
Swell 2 Height (m) Direction Period (s) | NNE 8 | NNW 15 | NW 14 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 | NW 13 | NW 13 | NW 12 | NNW 12 | NW 12 | NNW 12 | NNW 12 | NW 12 | NW 12 | NNW 12 | NNW 12 | NW 11 | W 13 | NW 11 | WNW 13 | NNW 12 |
| kJ | 86 | 275 | 536 | 507 | 465 | 517 | 509 | 501 | 382 | 370 | 301 | 260 | 212 | 180 | 180 | 142 | 140 | 90 | 90 | 63 | 89 | 59 | 53 | 101 |
Swell 3 Height (m) Direction Period (s) | NW 15 | NW 12 | E 8 | E 8 | E 8 | E 8 | E 8 | W 13 | W 13 | W 13 | W 13 | W 13 | E 8 | E 8 | ESE 8 | ESE 8 | WNW 15 | WNW 15 | ESE 8 | W 13 | NW 11 | WNW 13 | SW 13 | WNW 12 |
| kJ | 229 | 146 | 58 | 55 | 55 | 41 | 41 | 125 | 85 | 84 | 83 | 80 | 43 | 29 | 20 | 19 | 71 | 71 | 19 | 89 | 60 | 57 | 28 | 49 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | — | — | — | E 7 | — | E 8 | E 8 | E 3 | E 3 | ENE 3 | NE 4 | NE 4 | NNE 3 | NE 4 | NE 4 | NE 4 | NE 4 | ENE 4 | E 8 | — | NE 9 | NE 9 |
| kJ | 60 | 74 | — | — | — | 27 | — | 41 | 40 | 3 | 3 | 4 | 13 | 12 | 4 | 14 | 17 | 21 | 14 | 22 | 40 | — | 226 | 249 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 14 | 14 | 14 | 14 | 14 | 17 | 23 | 15 | 14 | 15 | 14 | 14 | 14 | 19 | 23 | 28 | 23 | 23 | 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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