Surf Forecasts:
Honokohau Harbour surf forecast from 11 Sep 2026:
- Best quality surf: Tuesday 15 Sep, 5AM (local time) - 2ft (0.6m), 21s period, SSW swell with glassy winds.
- Most powerful swell: Friday 18 Sep, 2AM (local time) - 3ft (0.9m), 18s period, SSW swell with 534 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 8PM (local time) - 2ft (0.6m), 15s period with SW swell.
Best Forecast Surf Conditions for Honokohau Harbour this week:
The surf forecast for Honokohau Harbour over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Friday (Sep 11) at 8PM. The primary swell is predicted to be 0.6m and 15s period with a secondary swell of 0.8m and 5s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Honokohau Harbour in the next 16 days are 0.9m 18s and forecast to arrive on Friday (Sep 18) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 5s period and expected on Friday (Sep 11) at 8AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Fri 11th Sep) | 2ft (0.6m) 15s |
| Best Surf | 5AM (Tue 15th Sep) | 2ft (0.6m) 21s |
| Most Powerful | 2AM (Fri 18th Sep) | 3ft (0.9m) 18s |
Table - best surf conditions forecast for Honokohau Harbour over the next 16 days.
The Lowdown
Hey, Rusty here. Gotta be straight with you—Honokohau Harbour is looking flat as a pancake for a good stretch. This consistent reef needs a decent WNW groundswell, and we’re just not getting it. The first surfable moment is a long way off, so brace for a slow start. Water temp is a comfortable 82°F, pretty normal for the season.
The first little glimmer comes on Sunday, September 13th. We’re talking a tiny 1ft SSW swell, with weak energy (95), but the wind is glassy—dead calm. That’s the big win. It’ll be clean as a mirror, just ankle-biters. That’s the best you’re gonna get in the first week.
After that, from Monday the 14th through to Friday the 18th, the swell hovers between 0.7ft and 3ft, mostly from SW or SSW. The energy climbs a bit (332 to 690), but the wind keeps blowing cross-onshore or onshore, leaving things messy. It’s all “marginal” at best. The only half-decent pulse is on Friday morning the 18th with 3ft of SW swell and 690 energy, but that onshore wind kills it.
Then it’s a fast drop. Saturday the 19th is back to small, and by Tuesday the 22nd, we’re down to 0.7ft and almost no energy (28 to 59). A spike on Wednesday the 24th with 3ft SSW swell and 566 energy, but the wind is cross-onshore again, so it’s just chop.
The standout is that glassy Sunday the 13th. For Honokohau Harbour, a glassy day on a consistent reef is special, even if the waves are small. The crowd’s only sometimes a problem, and you can get a clean session in before the storms blow up. For everything else, don’t bother. Honestly, with the wind patterns, this looks more interesting for a kite than a paddle board.
Rusty.
Short Range ForecastLight rain (total 5mm), mostly falling on Thu night. Warm (max 27°C on Thu night, min 25°C on Fri morning). Wind will be generally light. | Days 5-7 Weather SummarySome drizzle, heaviest during Wed afternoon. Warm (max 28°C on Tue morning, min 25°C on Sun night). Wind will be generally light. | ||||||||||||||||||
Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | ||||||||||||||
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) | SW 16 | SSW 16 | SW 15 | SW 15 | SW 14 | SSW 16 | SW 13 | NNE 9 | SW 15 | SSW 14 | SW 14 | SW 22 | SSW 21 | SW 20 | SW 19 | SW 19 | SSW 18 | SSW 18 | SSW 17 |
Wave Graph  | |||||||||||||||||||
 kJ | 211 | 169 | 181 | 178 | 102 | 99 | 87 | 86 | 54 | 79 | 53 | 118 | 180 | 309 | 303 | 372 | 395 | 395 | 373 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | cross | cross-off | on | on | cross-on | on | glassy | glassy | on | on | glassy | on | glassy | glassy | on | glassy | glassy |
High Tide | 3:48AM0.51m | 3:52PM0.60m | 4:28AM0.55m | 4:23PM0.52m | 5:09AM0.58m | 4:52PM0.45m | 5:51AM0.60m | 5:21PM0.39m | 6:39AM0.60m | 5:51PM0.33m | 7:34AM0.60m | 6:28PM0.28m | |||||||
Low Tide | 9:52PM0.05m | 9:41AM0.09m | 10:16PM0.05m | 10:31AM0.12m | 10:39PM0.05m | 11:24AM0.16m | 11:02PM0.06m | 12:22PM0.20m | 11:27PM0.08m | 1:32PM0.23m | 11:56PM0.09m | 3:07PM0.25m | 00:32AM0.12m | ||||||
 |  |  |  |  | | | | |  | | | | | | | |  |  | |
 | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — |
 | 6:30 | — | 6:30 | — | — | 6:29 | — | — | 6:28 | — | — | 6:27 | — | — | 6:25 | — | — | 6:24 | — |
mm | 3 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 |
Temp °C | 27 | 26 | 26 | 26 | 27 | 26 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 28 | 27 | 27 | 28 | 28 | 27 |
Feels °C | 31 | 29 | 29 | 29 | 30 | 28 | 29 | 29 | 30 | 30 | 30 | 30 | 29 | 31 | 29 | 31 | 31 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | NNE 5 | NNE 5 | SW 15 | NNE 8 | NNE 8 | NNE 9 | NNE 9 | NNE 9 | NE 9 | NNE 5 | NNE 8 | SSW 14 | NNE 8 | SW 20 | SW 19 | SW 19 | SSW 18 | NNE 6 | SSW 17 |
| kJ | 28 | 19 | 181 | 50 | 26 | 49 | 68 | 68 | 38 | 12 | 28 | 75 | 36 | 309 | 303 | 372 | 395 | 53 | 373 |
Swell 2 Height (m) Direction Period (s) | SW 16 | SSW 16 | NNE 5 | SW 15 | SW 14 | SSW 16 | SW 13 | SSW 15 | SW 15 | NNE 9 | SW 14 | SW 22 | SSW 21 | NNE 8 | NNE 8 | NNE 6 | NNE 6 | SSW 18 | NNE 7 |
| kJ | 211 | 169 | 13 | 178 | 91 | 99 | 87 | 86 | 54 | 29 | 50 | 118 | 180 | 23 | 50 | 29 | 32 | 395 | 53 |
Swell 3 Height (m) Direction Period (s) | S 12 | SW 9 | SW 9 | SW 9 | SSW 16 | SW 13 | SW 16 | SW 12 | SSW 12 | SSW 14 | SSW 23 | NNE 4 | SW 13 | SW 13 | SW 12 | SW 12 | SW 11 | SSW 11 | SSW 11 |
| kJ | 73 | 31 | 29 | 28 | 102 | 45 | 65 | 37 | 14 | 79 | 53 | 6 | 44 | 41 | 38 | 37 | 20 | 12 | 12 |
Wind waves Height (m) Direction Period (s) | — | N 4 | — | — | — | — | — | — | NNE 4 | — | NNE 4 | — | — | — | — | — | — | — | — |
| kJ | — | 6 | — | — | — | — | — | — | 11 | — | 6 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 45 | 104 | 9 | 0 | 104 | 87 | 14 | 87 | 0 | 0 | 87 | 87 | 0 | 45 | 0 | 0 | 45 | 0 | 0 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Honokohau Harbour Surf forecast
The above surf forecast table for Honokohau Harbour provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Honokohau Harbour can be found by selecting the local surf guide option on the grey menu. Our Honokohau Harbour 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 (Honokohau Harbour) 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 Honokohau Harbour 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.
Honokohau Harbour is 99 km (61 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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