Surf Forecasts:
Waialua Rivermouth surf forecast from 8 Oct 2026:
- Best quality surf: Wednesday 14 Oct, 5AM (local time) - 4.5ft (1.4m), 14s period, NW swell with glassy winds.
- Most powerful swell: Tuesday 13 Oct, 11AM (local time) - 4.5ft (1.4m), 15s period, NW swell with 868 kJ wave energy.
- Next surfable swell (1★+): Wednesday 14 Oct, 5AM (local time) - 4.5ft (1.4m), 14s period with NW swell.
Best Forecast Surf Conditions for Waialua Rivermouth this week:
The surf forecast for Waialua Rivermouth over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Oct 14) at 5AM. The primary swell is predicted to be 1.4m and 14s period with a secondary swell of 0.9m and 9s. Another secondary swell of 0.8m and 7s is also forecast. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Waialua Rivermouth in the next 16 days are 1.4m 15s and forecast to arrive on Tuesday (Oct 13) at 11AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 6s period and expected on Friday (Oct 09) at 2AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Wed 14th Oct) | 4.5ft (1.4m) 14s |
| Best Surf | 5AM (Wed 14th Oct) | 4.5ft (1.4m) 14s |
| Most Powerful | 11AM (Tue 13th Oct) | 4.5ft (1.4m) 15s |
Table - best surf conditions forecast for Waialua Rivermouth over the next 16 days.
Short Range ForecastSome drizzle, heaviest during Thu morning. Warm (max 27°C on Thu morning, min 24°C on Sat night). Mainly fresh winds. | Days 4-6 Weather SummaryHeavy rain (total 22mm), heaviest during Tue morning. Warm (max 26°C on Mon morning, min 25°C on Sun morning). Winds decreasing (fresh winds from the E on Mon night, calm by Tue night). | ||||||||||||||||||||
Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
Wave Height (m) Direction Period (s) | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 10 | NNW 10 | NNW 10 | E 12 | E 12 | ENE 8 | ENE 8 | NNW 17 | NW 16 | NW 15 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 428 | 278 | 320 | 368 | 297 | 347 | 294 | 160 | 98 | 73 | 103 | 207 | 255 | 516 | 748 | 868 | 833 | 711 | 632 | 623 | 464 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | on | off | cross-off | cross-on |
High Tide | 1:27PM0.59m | 2:12AM0.60m | 1:59PM0.53m | 2:48AM0.65m | 2:30PM0.46m | 3:24AM0.68m | 3:00PM0.40m | 3:59AM0.69m | 3:29PM0.35m | 4:37AM0.68m | 4:00PM0.30m | 5:18AM0.65m | 4:34PM0.26m | ||||||||
Low Tide | 8:03PM0.02m | 8:31AM0.12m | 8:25PM0.02m | 9:21AM0.13m | 8:46PM0.02m | 10:12AM0.15m | 9:08PM0.02m | 11:03AM0.16m | 9:31PM0.03m | 12:00PM0.17m | 9:55PM0.05m | 1:08PM0.18m | 10:21PM0.08m | ||||||||
 |  |  | | | | | | | | | | |  |  | | |  | | | | |
 | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — |
 | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:06 | — | — | 6:05 | — | — | 6:04 | — | — | 6:02 | — |
mm | 1 | — | — | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 9 | 4 | 3 | — | — | — |
Temp °C | 27 | 27 | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 27 | 26 |
Feels °C | 26 | 25 | 27 | 28 | 27 | 26 | 24 | 24 | 23 | 25 | 25 | 26 | 26 | 26 | 23 | 25 | 26 | 27 | 29 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 10 | NNW 10 | NNW 10 | E 12 | NE 7 | ENE 8 | ENE 8 | NNW 17 | NW 16 | NW 15 | NW 14 | NW 14 | NW 13 | NW 13 | NW 13 |
| kJ | 428 | 278 | 320 | 368 | 297 | 347 | 294 | 160 | 86 | 73 | 54 | 207 | 221 | 516 | 748 | 868 | 833 | 711 | 632 | 623 | 464 |
Swell 2 Height (m) Direction Period (s) | W 15 | E 6 | E 6 | E 6 | W 13 | E 12 | NW 20 | E 12 | E 12 | NNW 9 | E 12 | E 12 | NW 18 | ENE 11 | WNW 12 | NE 10 | NE 10 | SW 16 | NE 9 | NE 9 | SW 15 |
| kJ | 110 | 34 | 81 | 74 | 85 | 76 | 186 | 73 | 73 | 33 | 103 | 70 | 255 | 41 | 28 | 28 | 46 | 64 | 112 | 107 | 35 |
Swell 3 Height (m) Direction Period (s) | E 5 | W 15 | W 14 | W 13 | SSW 16 | W 13 | E 13 | SW 15 | SSW 18 | ESE 6 | NW 15 | SSW 16 | E 11 | NW 13 | SW 16 | SW 16 | SW 16 | S 12 | SW 18 | SW 18 | SSW 19 |
| kJ | 14 | 153 | 138 | 127 | 102 | 82 | 84 | 54 | 123 | 16 | 55 | 103 | 66 | 42 | 41 | 41 | 40 | 27 | 83 | 51 | 36 |
Wind waves Height (m) Direction Period (s) | SSW 5 | SSW 5 | SW 6 | — | E 6 | E 6 | E 6 | ENE 6 | ENE 6 | ENE 6 | E 4 | ENE 8 | — | ENE 8 | E 8 | E 8 | E 8 | ENE 9 | E 6 | E 6 | ENE 8 |
| kJ | 37 | 91 | 38 | — | 61 | 129 | 176 | 119 | 98 | 62 | 11 | 130 | — | 316 | 463 | 381 | 259 | 270 | 53 | 39 | 169 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 30 | 8 | 8 | 14 | 19 | 23 | 23 | 25 | 23 | 23 | 15 | 15 | 19 | 23 | 23 | 17 | 19 | 8 | 0 | 0 | 14 |
Best forecast wave conditions in Molokai | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Waialua Rivermouth surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
Information about the Waialua Rivermouth Surf forecast
The above surf forecast table for Waialua Rivermouth provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Waialua Rivermouth can be found by selecting the local surf guide option on the grey menu. Our Waialua Rivermouth surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Waialua Rivermouth) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for Waialua Rivermouth may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
Are you planning a vacation in Molokai? If you are looking for accommodation near Waialua Rivermouth, camping, hotels and condos and appartments in Molokai, consider staying in Kaunakakai - Molokai which is 36 km (22 miles) away. Other places in and around Molokai where you can find information about places to rent, and car hire include Wailuku which is 36 km (22 miles) away, Kahului, Lanai - Lanai and Kihei.
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