Surf Forecasts:
Hakalau surf forecast from 1 Sep 2026:
- Best quality surf: Friday 4 Sep, 8PM (local time) - 6ft (1.9m), 13s period, ENE swell with glassy winds.
- Most powerful swell: Sunday 6 Sep, 2AM (local time) - 8ft (2.5m), 13s period, ENE swell with 2,103 kJ wave energy.
- Next surfable swell (1★+): Friday 4 Sep, 8PM (local time) - 6ft (1.9m), 13s period with ENE swell.
Best Forecast Surf Conditions for Hakalau this week:
The surf forecast for Hakalau over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 04) at 8PM. The primary swell is predicted to be 1.9m and 13s period with a secondary swell of 0.4m and 10s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Hakalau in the next 16 days are 2.5m 13s and forecast to arrive on Sunday (Sep 06) at 2AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 10s period and expected on Thursday (Sep 03) at 8PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Fri 4th Sep) | 6ft (1.9m) 13s |
| Best Surf | 8PM (Fri 4th Sep) | 6ft (1.9m) 13s |
| Most Powerful | 2AM (Sun 6th Sep) | 8ft (2.5m) 13s |
Table - best surf conditions forecast for Hakalau over the next 16 days.
The Lowdown
Alright, Rusty here. Let's break this down.
Honestly, it’s a grim run for Hakalau. We’re into a long stretch with pretty much nothing worth getting excited about. The whole 16-day window is a write-off. There isn't a single proper surf day in the mix. It’s not just a few days of flatness; it’s a consistent run of poor to marginal conditions straight through from now until at least the 15th of September.
Right now, on the 31st of August, we’ve got a short-period, 6ft NE windswell, but it’s onshore and messy with rain showers. The wave energy is moderate at 428, but with wind howling from the same direction as the swell, it’s just a choppy mess. Water temp is 81°, which is about average for the time of year.
The first week of September offers no hope. Tuesday and Wednesday bring a bump in energy, with combined energy readings up around 1267 on the morning of the 2nd, but that’s a long-period SE swell hitting the ENE optimum. It’s too straight for the beach setup, and the wind is cross-onshore. Thursday and Friday get a bit cleaner with lighter winds, but the swell’s still not doing us any favors.
The second week looks even more hopeless. Swell heights hang around 6ft to 8ft through the weekend, but it’s all onshore or cross-onshore, and the period gets a bit longer, around 13 seconds. That kind of groundswell can be too straight for a beach break like Hakalau. The combined energy hits 1659 on the 5th and 1850 on the 6th, which is strong, but the onshore wind kills any chance of quality. It’s really just a big, lumpy mess for the kite surfers.
From the 8th onwards, the swell drops off a cliff. Heights fall below 3ft, energy plummets under 300, and we’re stuck with weak, short-period windswell and consistent cross-onshore breezes. It’s basically flat with a ripple.
Look, this is one of those blank runs that’s more normal for the area, and it’s a long one. There is no standout, no hidden gem. The forecast can change, but right now, I’m telling you to save the wax.
Rusty.
Short Range ForecastHeavy rain (total 28mm), heaviest during Tue night. Warm (max 26°C on Mon afternoon, min 25°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryModerate rain (total 15mm), heaviest on Sat night. Warm (max 26°C on Sat morning, min 25°C on Thu afternoon). Wind will be generally light. | |||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | ||||||||||||||
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) | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SE 11 | SE 11 | ESE 10 | E 8 | E 8 | E 8 | E 13 | E 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 |
Wave Graph  | ||||||||||||||||||||
 kJ | 378 | 476 | 403 | 356 | 392 | 771 | 712 | 733 | 555 | 465 | 421 | 1514 | 1226 | 1299 | 1599 | 1793 | 2103 | 1961 | 1747 | 1783 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | on | on | on | cross-on | on | on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross | on | on | on | cross-on | cross | cross-off |
High Tide | 4:27PM0.77m | 5:40AM0.81m | 4:48PM0.69m | 6:40AM0.80m | 5:04PM0.62m | 8:05AM0.79m | 4:48PM0.54m | 9:58AM0.81m | 11:26AM0.87m | 10:20PM0.42m | 12:22PM0.94m | 11:59PM0.48m | ||||||||
Low Tide | 10:56PM0.12m | 11:32AM0.40m | 11:27PM0.12m | 12:38PM0.49m | 00:07AM0.15m | 3:14PM0.54m | 1:05AM0.18m | 2:41AM0.20m | 7:30PM0.39m | 4:27AM0.19m | 7:35PM0.33m | |||||||||
 |  | |  | | | | |  | | | | |  |  | | | | | | |
 | — | — | 6:03 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — |
 | 6:36 | — | — | 6:35 | — | — | 6:35 | — | — | 6:34 | — | — | 6:32 | — | — | 6:31 | — | — | 6:30 | — |
mm | 2 | 4 | 2 | — | 9 | 4 | 1 | 3 | 3 | 2 | 3 | 2 | 1 | — | — | 1 | 5 | 1 | 2 | — |
Temp °C | 26 | 25 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 27 | 26 | 28 | 28 | 29 | 28 | 27 | 27 | 26 | 25 | 27 | 26 | 26 | 28 | 29 | 29 | 30 | 29 | 28 | 27 |
Swell 1 Height (m) Direction Period (s) | E 9 | ENE 8 | ENE 8 | ENE 8 | ESE 9 | SE 11 | SE 11 | ESE 10 | E 8 | ENE 7 | E 8 | E 13 | E 13 | ENE 13 | ENE 13 | ENE 13 | ENE 13 | ENE 12 | ENE 12 | ENE 12 |
| kJ | 43 | 476 | 403 | 356 | 75 | 771 | 712 | 733 | 555 | 234 | 421 | 1514 | 1226 | 1299 | 1599 | 1793 | 2103 | 1961 | 1747 | 1783 |
Swell 2 Height (m) Direction Period (s) | S 9 | SSE 9 | ESE 11 | ESE 10 | SE 11 | ENE 8 | NE 8 | NE 8 | E 12 | ESE 8 | E 13 | S 14 | SSE 9 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | SE 10 | SE 10 | SSE 10 |
| kJ | 7 | 8 | 47 | 57 | 101 | 394 | 283 | 160 | 196 | 175 | 342 | 15 | 17 | 52 | 38 | 37 | 36 | 24 | 24 | 37 |
Swell 3 Height (m) Direction Period (s) | SE 13 | SE 12 | SSE 9 | SE 12 | E 13 | E 14 | E 13 | E 13 | SSE 10 | E 13 | S 14 | N 8 | N 8 | N 12 | NNE 11 | NNE 10 | N 9 | N 11 | N 10 | N 10 |
| kJ | 7 | 6 | 8 | 24 | 31 | 102 | 167 | 212 | 83 | 342 | 15 | 1 | 5 | 11 | 22 | 20 | 15 | 9 | 18 | 8 |
Wind waves Height (m) Direction Period (s) | NE 8 | — | — | — | ENE 8 | — | — | — | — | E 8 | — | — | — | — | — | — | — | — | — | — |
| kJ | 378 | — | — | — | 392 | — | — | — | — | 465 | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 95 | 95 | 20 | 20 | 20 | 158 | 20 | 20 | 160 | 95 | 95 | 166 | 74 | 2 | 20 | 20 | 14 | 74 | 74 | 72 |
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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