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Waialua Rivermouth Surf Forecast
/ HAW – Molokai (14 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Waialua Rivermouth surfForecast / HAW – Molokai / USA
16 Day Weather and Surf, issued 1 am Thursday 30 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
25.1° C
(Which is slightly warmer than usual)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 (May 06) at 5AM. The primary swell is predicted to be 1.0m and 11s period with a secondary swell of 0.9m and 8s. 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 Saturday (May 02) 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 0.3m 16s period and expected on Saturday (May 02) at 11PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Wed 6th May) | 3.5ft (1.0m) 11s |
| Best Surf | 5AM (Wed 6th May) | 3.5ft (1.0m) 11s |
| Most Powerful | 11AM (Sat 2nd May) | 4.5ft (1.4m) 15s |
Table - best surf conditions forecast for Waialua Rivermouth over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 24°C on Fri afternoon, min 23°C on Thu morning). Mainly fresh winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 24°C on Mon afternoon, min 23°C on Sun morning). Winds decreasing (fresh winds from the ENE on Sun afternoon, calm by Tue night). | ||||||||||||||||||||
Thursday 30 | Friday 1 | Saturday 2 | Sunday 3 | Monday 4 | Tuesday 5 | Wednesday 6 | |||||||||||||||
AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||||
ENE 7 | NW 11 | NNW 13 | ENE 8 | ENE 7 | NW 16 | NW 15 | NW 14 | NW 13 | NW 12 | NW 12 | ENE 8 | ENE 7 | NW 13 | NW 12 | NW 12 | NW 11 | NW 11 | NW 10 | NNW 10 | NNW 10 | |
317 | 293 | 414 | 469 | 557 | 686 | 868 | 639 | 488 | 324 | 319 | 324 | 199 | 320 | 409 | 389 | 314 | 268 | 184 | 175 | 250 | |
Wind (km/h) | |||||||||||||||||||||
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 | cross-on | glassy | cross-on | cross-on | |
High Tide | 2:46PM0.62m | 2:14AM0.27m | 3:18PM0.63m | 2:46AM0.23m | 3:50PM0.63m | 3:20AM0.20m | 4:25PM0.62m | 3:56AM0.17m | 5:03PM0.59m | 4:38AM0.15m | 5:47PM0.57m | 5:35AM0.13m | 6:38PM0.55m | ||||||||
Low Tide | 9:49PM0.07m | 8:15AM-0.07m | 10:34PM0.07m | 8:38AM-0.06m | 11:21PM0.06m | 9:03AM-0.04m | 00:11AM0.06m | 9:31AM-0.02m | 1:08AM0.06m | 10:00AM-0.00m | 2:14AM0.06m | 10:34AM0.02m | 3:21AM0.05m | ||||||||
 | |  | | | | | | |  | | | | |  | | | | | |  | |
 | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 | — | — | 5:52 | — | — |
 | — | 6:51 | — | — | 6:51 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | |
Temp °C | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 24 | 24 | 24 | 24 | 25 | 24 |
20 | 19 | 20 | 19 | 20 | 19 | 20 | 21 | 21 | 21 | 21 | 20 | 21 | 23 | 22 | 25 | 24 | 25 | 27 | 27 | 24 | |
Swell 1 Height (m) Direction Period (s) | NW 12 | NW 11 | NNW 13 | NNW 12 | NNW 12 | NW 16 | NW 15 | NW 14 | NW 13 | NW 12 | NW 12 | NW 11 | NW 11 | ENE 7 | NW 12 | NW 12 | NW 11 | NW 11 | NW 10 | NNW 10 | NNW 10 |
 kJ | 273 | 293 | 414 | 294 | 280 | 686 | 868 | 639 | 488 | 324 | 319 | 205 | 168 | 147 | 409 | 389 | 314 | 268 | 184 | 175 | 250 |
Swell 2 Height (m) Direction Period (s) | SW 17 | SSW 16 | SSW 15 | NW 20 | NW 18 | NNW 11 | SSW 15 | SSW 15 | SSW 16 | SSW 13 | SSW 15 | SSW 14 | NW 14 | NW 13 | ESE 9 | E 8 | ESE 9 | E 8 | E 8 | E 8 | ESE 8 |
| kJ | 11 | 25 | 22 | 15 | 199 | 157 | 21 | 21 | 50 | 18 | 42 | 41 | 64 | 320 | 47 | 157 | 86 | 127 | 84 | 86 | 54 |
Swell 3 Height (m) Direction Period (s) | SW 11 | SW 12 | SW 18 | S 15 | SSW 16 | SSW 14 | SSW 18 | SSW 18 | SW 22 | SSW 16 | SW 21 | SW 20 | ESE 9 | ESE 9 | SSW 13 | SW 18 | ENE 7 | SSW 16 | N 7 | NE 8 | SW 16 |
| kJ | 5 | 6 | 13 | 17 | 26 | 18 | 31 | 31 | 18 | 25 | 18 | 15 | 31 | 31 | 17 | 12 | 50 | 26 | 8 | 11 | 65 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 6 | ENE 7 | ENE 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | — | ENE 8 | E 9 | — | — | — | — | NE 9 |
| kJ | 317 | 289 | 350 | 469 | 557 | 522 | 426 | 365 | 373 | 306 | 221 | 324 | 199 | — | 128 | 215 | — | — | — | — | 20 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 23 | 23 | 23 | 27 | 25 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 19 | 14 | 16 | 14 | 0 | 14 | 23 |
Best forecast wave conditions in Molokai | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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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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