Surf Forecasts:
Hapuna surf forecast from 30 Jul 2026:
- Most powerful swell: Friday 31 Jul, 5AM (local time) - 1.5ft (0.4m), 16s period, SW swell with 66 kJ wave energy.
Best Forecast Surf Conditions for Hapuna this week:
The most powerful waves expected at Hapuna in the next 16 days are 0.4m 16s and forecast to arrive on Friday (Jul 31) at 5AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 7s period and expected on Saturday (Aug 01) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5AM (Fri 31st Jul) | 1.5ft (0.4m) 16s |
Table - best surf conditions forecast for Hapuna over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let’s have a look at what’s on the menu for the next couple of weeks.
Right off the bat, I gotta be straight with you – it’s gonna be a tough wait. The first solid week and a half is pretty much a write-off. We’re looking at a long, dry spell from July 30th all the way through to the morning of August 8th where the wave energy is just too weak or the conditions are too messy to bother paddling out. It’s a proper flat spell, so don’t even bother checking the cam.
Things start to whisper to life on the afternoon of Saturday, August 8th. Hapuna will see a small 2ft swell from the west, with a period of 12 seconds. The energy is still weak (150), but the wind is clean and light from the north-northeast. It’s *surfable*, but it’s only just worth a look. The water temp is sitting at 80°, which is about average for the time of year.
The real standout, and the only one I’d circle on the calendar, is the afternoon of Friday, August 14th. The swell bumps up to 3ft from the west, with a period of 14 seconds giving it some real push. The combined energy jumps to 350 (moderate), and we’re looking at glassy conditions with a light north-northeast breeze. For Hapuna, a west swell is a good direction, and with the wind going glassy, it’ll be super clean. The crowds are *sometimes* an issue here, but on a Friday afternoon with this kind of minor swell, you might get a few fun ones to yourself. The earlier morning of the 14th is also looking clean and glassy with a 3ft swell (286 energy), so the whole day is your best bet. Just keep in mind, this is the second week out, so it’s a promising look but not a guarantee.
Rusty.
Short Range ForecastMostly dry. Warm (max 29°C on Thu morning, min 24°C on Sat night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Sun morning, min 25°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | Wednesday 5 | |||||||||||||||
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) | NNE 7 | SW 18 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | SW 14 | SW 14 | NNE 6 | NE 8 | NNE 6 | W 11 | NE 8 | NE 9 | W 11 | SSW 11 | W 12 | W 12 | W 13 | W 13 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 49 | 41 | 65 | 60 | 55 | 49 | 29 | 47 | 0 | 0 | 0 | 10 | 0 | 0 | 9 | 12 | 12 | 11 | 13 | 32 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | off | cross | cross-off | off | cross-off | cross-off | off | cross-off | cross-off | cross-off | cross-on | glassy | glassy | cross-on | glassy | glassy | cross-on | glassy | glassy |
High Tide | 4:59PM0.74m | 5:14AM0.34m | 5:28PM0.71m | 5:58AM0.38m | 5:56PM0.66m | 6:46AM0.42m | 6:25PM0.59m | 7:40AM0.47m | 6:56PM0.51m | 8:43AM0.52m | 7:30PM0.41m | 9:54AM0.57m | 8:12PM0.32m | ||||||||
Low Tide | 9:55AM-0.00m | 11:55PM0.04m | 10:35AM0.03m | 00:20AM0.03m | 11:18AM0.08m | 00:46AM0.02m | 12:07PM0.14m | 1:13AM0.01m | 1:09PM0.20m | 1:44AM-0.00m | 2:34PM0.25m | 2:20AM-0.00m | 4:37PM0.27m | 3:05AM-0.01m | |||||||
 |  |  | | | | | | | | | | | |  | | | | | |  | |
 | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — | 5:58 | — | — | 6:00 | — | — |
 | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 6:59 | — | — | 6:59 | — | — | 6:58 | — | — | 6:58 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 28 | 26 | 29 | 29 | 25 | 29 | 28 | 25 | 28 | 28 | 26 | 28 | 27 | 26 | 28 | 28 | 26 | 28 | 28 | 27 |
Feels °C | 32 | 32 | 29 | 31 | 29 | 25 | 29 | 30 | 26 | 29 | 29 | 28 | 30 | 29 | 30 | 30 | 31 | 30 | 31 | 31 | 32 |
Swell 1 Height (m) Direction Period (s) | NNE 7 | NE 6 | NE 6 | NE 6 | SW 15 | SW 15 | NNE 7 | NE 7 | NE 8 | NNE 6 | NE 8 | NNE 6 | NE 7 | NNE 6 | NNE 6 | ENE 11 | NNE 5 | NE 10 | NE 5 | NE 6 | NE 5 |
| kJ | 21 | 70 | 46 | 43 | 60 | 55 | 50 | 140 | 86 | 34 | 53 | 42 | 51 | 21 | 19 | 47 | 19 | 98 | 14 | 20 | 13 |
Swell 2 Height (m) Direction Period (s) | NE 7 | SW 18 | SW 16 | SW 16 | N 9 | ENE 8 | ENE 8 | SW 14 | SW 14 | NE 8 | NE 6 | NE 8 | W 11 | NE 8 | NE 9 | NNE 6 | ENE 11 | W 12 | NE 9 | NE 9 | W 13 |
| kJ | 14 | 49 | 41 | 65 | 13 | 13 | 46 | 29 | 47 | 35 | 19 | 33 | 10 | 32 | 19 | 11 | 46 | 12 | 21 | 12 | 32 |
Swell 3 Height (m) Direction Period (s) | N 7 | SSW 12 | SSW 12 | N 9 | S 12 | N 8 | SW 14 | E 14 | N 11 | N 9 | N 6 | N 9 | N 8 | ENE 12 | ENE 12 | W 11 | SSW 11 | N 10 | W 12 | W 13 | NE 8 |
| kJ | 3 | 28 | 15 | 14 | 11 | 5 | 49 | 4 | 9 | 16 | 19 | 6 | 5 | 15 | 29 | 9 | 12 | 8 | 11 | 13 | 11 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NE 6 | NNE 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 64 | 44 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 84 | 84 | 32 | 93 | 93 | 32 | 32 | 87 | 32 | 87 | 93 | 41 | 87 | 131 | 44 | 84 | 84 | 41 | 84 | 87 | 32 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Hapuna Surf forecast
The above surf forecast table for Hapuna provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Hapuna can be found by selecting the local surf guide option on the grey menu. Our Hapuna 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 (Hapuna) 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 Hapuna 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.
Hapuna is 84 km (52 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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