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Hakalau surfForecast / HAW – Big Island / USA
12 Day Weather and Surf, issued 1 pm Saturday 27 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Hakalau surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hakalau sea temperature is
25.5° C
(Which is slightly warmer than usual)Best Forecast Surf Conditions for Hakalau this week:
The surf forecast for Hakalau over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Dec 28) at 5AM. The primary swell is predicted to be 1.4m and 7s period with a secondary swell of 0.9m and 10s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Hakalau in the next 12 days are 1.8m 16s and forecast to arrive on Wednesday (Dec 31) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.8m 12s period and expected on Monday (Dec 29) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sun 28th Dec) | 4.5ft (1.4m) 7s |
| Best Surf | 8PM (Wed 31st Dec) | 5.5ft (1.7m) 14s |
| Most Powerful | 2AM (Wed 31st Dec) | 6ft (1.8m) 16s |
Table - best surf conditions forecast for Hakalau over the next 12 days.
Updates in hr min s Forecast update imminent
Short Range Forecast Light rain (total 3mm), mostly falling on Mon night. Warm (max 24°C on Sat afternoon, min 22°C on Sat night). Wind will be generally light. | Days 3-6 Weather Summary Moderate rain (total 13mm), heaviest on Fri morning. Warm (max 23°C on Tue afternoon, min 21°C on Thu night). Wind will be generally light. | ||||||||||||||||||||||
Sat 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 01 | Friday 02 | |||||||||||||||||
| PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |||
Rating (10 max) | |||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||||
| Wave Height (m) & direction (?) | |||||||||||||||||||||||
| Period(s) (?) | 11 | 7 | 8 | 8 | 8 | 8 | 17 | 16 | 15 | 14 | 16 | 14 | 14 | 13 | 13 | 9 | 8 | 11 | 9 | 9 | 9 | ||
Wave (?)Graph  | |||||||||||||||||||||||
 kJ (?) | 286 | 220 | 196 | 196 | 216 | 273 | 373 | 1040 | 1024 | 1114 | 1591 | 1321 | 1004 | 735 | 572 | 454 | 418 | 411 | 898 | 528 | 440 | ||
Wind (km/h) | |||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross | cross | cross- on | cross- on | cross | cross- on | cross- on | cross | cross- on | cross- on | cross- on | cross- on | on | glass | on | cross- on | cross- on | on | cross- on | cross- on | on | ||
High Tide / height (m) | 10:04PM 0.65 | 8:20AM 0.69 | 11:24PM 0.77 | 9:24AM 0.61 | 12:23AM 0.89 | 10:41AM 0.55 | 1:13AM 1.00 | 11:54AM 0.52 | 1:59AM 1.08 | 12:56PM 0.51 | 2:43AM 1.13 | 1:50PM 0.52 | 3:26AM 1.15 | ||||||||||
Low Tide / height (m) | 2:56PM 0.21 | 3:01AM 0.52 | 3:45PM 0.17 | 5:22AM 0.52 | 4:37PM 0.11 | 7:03AM 0.47 | 5:29PM 0.06 | 8:06AM 0.41 | 6:21PM 0.01 | 8:54AM 0.36 | 7:10PM -0.03 | 9:37AM 0.32 | 7:58PM -0.05 | 10:16AM 0.30 | |||||||||
Sat 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 01 | Friday 02 | |||||||||||||||||
| Sunrise | - | - | 6:52 | - | - | 6:54 | - | - | 6:54 | - | - | 6:54 | - | - | 6:54 | - | - | 6:54 | - | - | 6:56 | ||
| Sunset | 5:49 | - | - | 5:50 | - | - | 5:50 | - | - | 5:51 | - | - | 5:52 | - | - | 5:52 | - | - | 5:52 | - | - | ||
 |  | |  |  |  | |  |  | |  | | | | | | |  | | | | |||
Rain (mm) | - | - | - | - | - | - | - | 2 | 1 | - | 3 | 1 | - | 1 | 1 | 1 | 2 | 4 | 2 | 1 | 1 | ||
| Temp. °C | 24 | 23 | 24 | 24 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 21 | 21 | 21 | ||
| Feels °C (?) | 21 | 22 | 22 | 22 | 21 | 23 | 23 | 22 | 23 | 22 | 23 | 24 | 23 | 25 | 23 | 23 | 22 | 20 | 19 | 21 | 19 | ||
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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 Hakalau 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 Hakalau Surf forecast
The above surf forecast table for Hakalau provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Hakalau can be found by selecting the local surf guide option on the grey menu. Our Hakalau 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 (Hakalau) 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 Hakalau 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.
Hakalau is 21 km (13 miles) from Hilo. If you plan a vacation in Big Island, look for hotels and other accommodation in Hilo. Hilo has rooms for a wide range of budgets as well as car hire and transport links.
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