Surf Forecasts:
Honokohau Harbour surf forecast from 10 Sep 2026:
- Best quality surf: Friday 11 Sep, 5AM (local time) - 2ft (0.6m), 16s period, SW swell with glassy winds.
- Most powerful swell: Wednesday 16 Sep, 5PM (local time) - 3ft (0.9m), 18s period, SW swell with 449 kJ wave energy.
- Next surfable swell (1★+): Friday 11 Sep, 5AM (local time) - 2ft (0.6m), 16s 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 5AM. The primary swell is predicted to be 0.6m and 16s period with a secondary swell of 0.8m and 5s. The wind is predicted to be glassy 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 Wednesday (Sep 16) at 5PM. 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 5s period and expected on Sunday (Sep 13) at 8PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Fri 11th Sep) | 2ft (0.6m) 16s |
| Best Surf | 5AM (Fri 11th Sep) | 2ft (0.6m) 16s |
| Most Powerful | 5PM (Wed 16th Sep) | 3ft (0.9m) 18s |
Table - best surf conditions forecast for Honokohau Harbour over the next 16 days.
The Lowdown
Alright, listen up. It’s Rusty here, and I’ve been staring at the charts for Honokohau Harbour, and I gotta be straight with you – it’s a slow one for a while.
The first week or so is pretty much a write-off. We’ve got a lot of small, weak surf rolling in, with energy readings mostly in the low hundreds (159 to 390) – nothing that’s gonna get the heart pumping. The wind is mostly cross-onshore or straight on, and even though it’s light, it’s just enough to mess up the already tiny waves. We’re looking at swell heights of 1.3ft to 3ft, and it just looks fat and messy. The first glimmer of anything halfway decent doesn't show up until Thursday the 17th afternoon, and even then it’s small.
Now, the real reason to pay attention comes in the second week. Around Wednesday the 16th, the energy starts to build, and it keeps climbing. The standout is definitely Thursday the 24th afternoon. That’s when we see the swell really start to pulse. The combined energy jumps to 552, which is the strongest we see in the whole window, with a clean 2.3ft of SW swell at a 17-second period. That’s proper long-period groundswell, the kind that wraps around the point and has some push to it. Add in glassy conditions with that little bit of Slight air, and Honokohau Harbour (Big Island) will be turning on. The swell direction is SSW to SW, which is right in the sweet spot for this reef break. You’ll want to be an intermediate surfer for sure, but this is the clear winner. Keep in mind, the water is sitting around 82°, which is pretty average for this time of year, so nothing crazy there.
Before that, the Thursday the 17th afternoon also shows some promise with a glassy window and energy at 530, though the swell is a touch smaller at 2ft. It’s a nice warm-up for the main event a week later.
So, yeah, the early days are for fixing your board and doing your stretches. But that second week, especially the afternoon of the 24th, looks worth circling on the calendar. It’s promising, but long-range calls are always a little less certain, so don’t book your flight just yet. Keep checking back.
Short Range ForecastModerate rain (total 17mm), heaviest on Thu afternoon. Warm (max 28°C on Thu morning, min 25°C on Fri night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Tue afternoon, min 25°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | |||||||||||||||
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) | SSW 13 | SSW 12 | SW 16 | SSW 16 | SW 15 | SW 15 | SW 14 | SSW 16 | SW 16 | SSW 15 | SW 15 | SSW 14 | SW 14 | SSW 22 | SSW 21 | SW 20 | SW 19 | SW 19 | SSW 18 | SW 18 | SSW 17 |
Wave Graph  | |||||||||||||||||||||
 kJ | 170 | 121 | 211 | 169 | 181 | 178 | 102 | 99 | 69 | 86 | 54 | 79 | 53 | 181 | 180 | 309 | 303 | 372 | 395 | 449 | 373 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | glassy | cross-on | cross-on | cross | on | cross-on | glassy | cross-on | on | glassy | on | cross-on | glassy |
High Tide | 3:19PM0.66m | 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 | 8:52AM0.06m | 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 | — | — | 6:09 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — |
 | — | 6:30 | — | — | 6:30 | — | — | 6:29 | — | — | 6:28 | — | — | 6:27 | — | — | 6:25 | — | — | 6:24 | — |
mm | 2 | 5 | 6 | 1 | 1 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — |
Temp °C | 28 | 28 | 26 | 27 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 28 | 27 | 28 | 28 | 27 |
Feels °C | 33 | 30 | 29 | 30 | 28 | 28 | 28 | 29 | 30 | 30 | 30 | 29 | 30 | 30 | 29 | 29 | 30 | 30 | 30 | 30 | 30 |
Swell 1 Height (m) Direction Period (s) | NNE 7 | NNE 7 | SW 16 | NNE 5 | NNE 8 | SW 15 | NNE 8 | NNE 9 | NNE 9 | NNE 9 | NNE 9 | NNE 5 | NNE 8 | NNE 5 | NNE 5 | SW 20 | NNE 8 | SW 19 | SSW 18 | SW 18 | SSW 17 |
| kJ | 61 | 38 | 211 | 22 | 51 | 178 | 37 | 49 | 68 | 52 | 30 | 19 | 28 | 17 | 8 | 309 | 50 | 372 | 395 | 449 | 373 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 12 | SSW 10 | SSW 16 | SW 15 | NNE 8 | SW 14 | SSW 16 | SSW 13 | SSW 15 | SW 15 | NNE 9 | SW 14 | SSW 22 | SSW 21 | NNE 8 | SW 19 | NNE 7 | NNE 7 | NNE 7 | NNE 7 |
| kJ | 170 | 121 | 65 | 169 | 181 | 37 | 91 | 99 | 69 | 86 | 54 | 29 | 50 | 181 | 180 | 40 | 303 | 31 | 37 | 40 | 41 |
Swell 3 Height (m) Direction Period (s) | SW 17 | S 4 | SSW 12 | SW 9 | SW 9 | SW 9 | SSW 16 | SW 13 | SW 16 | SW 12 | SSW 12 | SSW 14 | SSW 23 | SSW 14 | NE 8 | SW 13 | SW 12 | SW 12 | SW 12 | SSW 11 | SSW 11 |
| kJ | 137 | 9 | 81 | 31 | 29 | 28 | 102 | 45 | 65 | 23 | 14 | 79 | 53 | 75 | 17 | 41 | 38 | 38 | 21 | 12 | 12 |
Wind waves Height (m) Direction Period (s) | — | — | NE 5 | — | — | — | — | — | — | — | NNE 5 | — | NNE 4 | — | — | — | — | — | — | — | — |
| kJ | — | — | 23 | — | — | — | — | — | — | — | 19 | — | 9 | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 12 | 113 | 14 | 104 | 45 | 91 | 104 | 10 | 0 | 14 | 91 | 12 | 87 | 87 | 0 | 45 | 13 | 0 | 45 | 25 | 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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