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Waialua Rivermouth Surf Forecast
/ HAW – Molokai (14 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Waialua Rivermouth surfForecast / HAW – Molokai / USA
12 Day Weather and Surf, issued 7 pm Saturday 20 Dec 2025 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
25.8° C
(Which is slightly warmer than usual)Best Forecast Surf Conditions for Waialua Rivermouth this week:
The most powerful waves expected at Waialua Rivermouth in the next 12 days are 2.5m 9s and forecast to arrive on Tuesday (Dec 23) at 5PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.6m 13s period and expected on Sunday (Dec 21) at 2AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5PM (Tue 23rd Dec) | 8ft (2.5m) 9s |
Table - best surf conditions forecast for Waialua Rivermouth over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Light rain (total 2mm), mostly falling on Mon night. Warm (max 25°C on Sat night, min 23°C on Mon night). Winds increasing (light winds from the NE on Sat night, fresh winds from the E by Mon night). | Days 3-6 Weather Summary Mostly dry. Warm (max 24°C on Thu afternoon, min 22°C on Wed night). Mainly fresh winds. | |||||||||||||||||||||
Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Sat 27 | ||||||||||||||||
| Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | ||
Rating (10 max) | ||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | ||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 11 | 11 | 11 | 11 | 7 | 7 | 9 | 9 | 7 | 8 | 12 | 12 | 12 | 11 | 14 | 13 | 11 | 11 | 11 | |
Wave (?)Graph  | ||||||||||||||||||||||
 kJ (?) | 902 | 666 | 482 | 401 | 451 | 516 | 445 | 371 | 1171 | 380 | 387 | 385 | 537 | 569 | 589 | 521 | 384 | 960 | 512 | 303 | 240 | |
Wind (km/h) | ||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore 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 | |
High Tide / height (m) | 4:00AM 0.69 | 3:42PM 0.18 | 4:36AM 0.69 | 4:30PM 0.19 | 5:13AM 0.67 | 5:29PM 0.20 | 5:50AM 0.64 | 6:42PM 0.23 | 6:29AM 0.59 | 8:06PM 0.29 | 7:10AM 0.53 | 9:26PM 0.37 | 7:56AM 0.45 | |||||||||
Low Tide / height (m) | 8:32PM -0.04 | 11:49AM 0.05 | 9:07PM -0.02 | 12:28PM 0.05 | 9:45PM -0.00 | 1:05PM 0.05 | 10:27PM 0.04 | 1:42PM 0.04 | 11:20PM 0.10 | 2:17PM 0.02 | 12:36AM 0.17 | 2:51PM 0.00 | 2:25AM 0.23 | 3:25PM -0.02 | ||||||||
Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Sat 27 | ||||||||||||||||
| Sunrise | - | 6:58 | - | - | 7:00 | - | - | 7:00 | - | - | 7:00 | - | - | 7:01 | - | - | 7:01 | - | - | 7:01 | - | |
| Sunset | - | - | 5:50 | - | - | 5:51 | - | - | 5:51 | - | - | 5:52 | - | - | 5:52 | - | - | 5:52 | - | - | 5:52 | |
 |  |  |  | | |  | | | | | | | | | | | | | | | ||
Rain (mm) | - | - | - | - | - | - | 2 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | |
| Temp. °C | 25 | 25 | 25 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 24 | 24 | 23 | 24 | 24 | |
| Feels °C (?) | 27 | 24 | 23 | 22 | 23 | 22 | 21 | 21 | 20 | 19 | 19 | 18 | 19 | 20 | 20 | 19 | 22 | 20 | 20 | 24 | 23 | |
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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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.
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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 12 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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