Surf Forecasts:
Hakalau surf forecast from 5 Aug 2026:
- Most powerful swell: Saturday 8 Aug, 11PM (local time) - 6.5ft (2.0m), 8s period, E swell with 494 kJ wave energy.
Best Forecast Surf Conditions for Hakalau this week:
The most powerful waves expected at Hakalau in the next 16 days are 2.0m 8s and forecast to arrive on Saturday (Aug 08) at 11PM. 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 18s period and expected on Wednesday (Aug 12) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 11PM (Sat 8th Aug) | 6.5ft (2.0m) 8s |
Table - best surf conditions forecast for Hakalau over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s break it down. The next two weeks at Hakalau are pretty much a write-off. It's a long wait for anything half decent.
The first sign of life doesn't pop up until Monday the 17th of August, and even that is just a marginal call. That’s a lot of flat days to sit through. The whole period is dominated by small, short-period swell running into cross-onshore winds that ruin the surface. Water temp is about 80°F, which is normal for this time of year.
The one day that has a chance is Monday the 17th. In the afternoon, the combined swell energy hits a strong 903. The swell will be about 6ft from the ENE with a short period of 8 seconds. Winds will be light and onshore, so the face won't be the cleanest. It’s the biggest push of the outlook by far, but it's a messy one. Marginal at best.
After that, it's back to the same story: small waves and cross-onshore wind messing up every session. Combined energy floats around in the moderate range, from 198 to 493, but the quality just isn't there.
There’s no real standout here. If you’re keen, the Monday the 17th afternoon has the most size, but you’ll be dealing with wind-affected, short-period lines. Honestly? This stretch is a dud. Better to wait for a better forecast.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Wed night. Warm (max 26°C on Wed morning, min 25°C on Wed morning). Wind will be generally light. | Days 4-6 Weather SummaryHeavy rain (total 39mm), heaviest during Sat night. Warm (max 27°C on Sun morning, min 25°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||
Wednesday 5 | Thursday 6 | Friday 7 | Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | |||||||||||||||
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) | ENE 9 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 7 | NE 7 | ESE 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | ESE 8 | E 8 | E 8 | E 8 | ESE 8 | ESE 7 |
Wave Graph  | |||||||||||||||||||||
 kJ | 168 | 126 | 114 | 101 | 82 | 62 | 88 | 118 | 223 | 131 | 159 | 447 | 408 | 398 | 336 | 186 | 249 | 283 | 249 | 202 | 191 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross-on | cross-on | cross-on | on | cross | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross-on |
High Tide | 8:28AM0.72m | 6:18PM0.62m | 10:13AM0.78m | 11:39AM0.86m | 9:02PM0.46m | 12:39PM0.95m | 11:25PM0.46m | 1:26PM1.03m | 00:41AM0.50m | 2:07PM1.08m | 1:36AM0.56m | 2:44PM1.09m | 2:25AM0.62m | ||||||||
Low Tide | 2:04PM0.54m | 1:54AM0.17m | 3:07AM0.16m | 7:57PM0.46m | 4:30AM0.13m | 8:01PM0.39m | 5:42AM0.08m | 8:27PM0.34m | 6:42AM0.04m | 8:55PM0.29m | 7:33AM0.01m | 9:23PM0.25m | |||||||||
 |  |  | | |  |  | | | | | | |  |  | | | | | | | |
 | 5:56 | — | — | 5:56 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — |
 | — | 6:54 | — | — | 6:53 | — | — | 6:53 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:51 | — |
mm | — | — | 1 | — | — | — | 2 | — | 1 | — | — | 14 | 6 | 4 | 9 | 2 | 2 | 2 | — | — | 1 |
Temp °C | 26 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 25 |
Feels °C | 28 | 28 | 29 | 27 | 28 | 28 | 29 | 28 | 28 | 27 | 27 | 28 | 28 | 28 | 29 | 28 | 28 | 29 | 28 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | ENE 9 | ENE 8 | ENE 8 | ENE 8 | NE 8 | NE 7 | NE 7 | ESE 7 | ESE 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | ESE 8 | E 8 | E 8 | E 8 | ESE 8 | ESE 7 |
| kJ | 168 | 126 | 114 | 101 | 82 | 62 | 88 | 118 | 105 | 131 | 159 | 447 | 408 | 398 | 336 | 186 | 249 | 283 | 249 | 202 | 191 |
Swell 2 Height (m) Direction Period (s) | SE 8 | SE 8 | SE 8 | ESE 6 | ESE 6 | ESE 6 | NNW 7 | NE 7 | NE 7 | NE 7 | NE 9 | NE 9 | NE 9 | NE 9 | NE 9 | NE 7 | NNW 9 | NNW 8 | NNW 8 | NE 6 | NE 6 |
| kJ | 32 | 11 | 10 | 26 | 26 | 20 | 5 | 75 | 91 | 82 | 53 | 31 | 22 | 29 | 12 | 65 | 16 | 14 | 13 | 40 | 38 |
Swell 3 Height (m) Direction Period (s) | NNE 9 | NNE 9 | NNE 8 | SE 8 | SE 8 | NE 10 | ESE 9 | NE 8 | NE 11 | NE 10 | N 7 | N 6 | N 6 | SE 14 | NNW 11 | NNW 10 | SE 12 | SE 12 | S 16 | NNW 8 | NNW 8 |
| kJ | 16 | 15 | 13 | 10 | 10 | 28 | 8 | 25 | 40 | 35 | 4 | 3 | 3 | 7 | 11 | 19 | 6 | 6 | 5 | 6 | 6 |
Wind waves Height (m) Direction Period (s) | — | SE 6 | SE 6 | — | — | — | ESE 6 | — | E 7 | — | NE 7 | — | — | — | — | — | — | — | — | — | — |
| kJ | — | 9 | 18 | — | — | — | 44 | — | 223 | — | 61 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 20 | 20 | 20 | 20 | 20 | 2 | 20 | 20 | 16 | 20 | 20 | 18 | 18 | 18 | 18 | 20 | 158 | 14 | 160 | 96 | 14 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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 16 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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