Surf Forecasts:
Honokohau Harbour surf forecast from 10 Sep 2026:
- Best quality surf: Wednesday 9 Sep, 11PM (local time) - 2.5ft (0.8m), 13s period, SSW swell with glassy winds.
- Most powerful swell: Wednesday 16 Sep, 2PM (local time) - 3ft (0.9m), 18s period, SW swell with 449 kJ wave energy.
- Next surfable swell (1★+): Wednesday 9 Sep, 8PM (local time) - 2.5ft (0.8m), 13s period with SSW 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 Wednesday (Sep 09) at 8PM. The primary swell is predicted to be 0.8m and 13s period with a secondary swell of 0.6m and 7s. 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 2PM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 7s period and expected on Thursday (Sep 10) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Wed 9th Sep) | 2.5ft (0.8m) 13s |
| Best Surf | 11PM (Wed 9th Sep) | 2.5ft (0.8m) 13s |
| Most Powerful | 2PM (Wed 16th Sep) | 3ft (0.9m) 18s |
Table - best surf conditions forecast for Honokohau Harbour over the next 16 days.
The Lowdown
Alright folks, Rusty here. Let's have a look at what's on offer for the coming stretch at Honokohau Harbour.
Right off the bat, I gotta be straight with you—the first week is a bit of a struggle. We're looking at some small, marginal waves and the early outlook isn't calling for anything to get too excited about. For the first few days, from September 9th through the 12th, we've got tiny swell—around 1ft to 3ft—and mostly cross-onshore winds making things choppy. The wave energy is weak, sitting under 350 (319). Water temp here is sitting at 82°, which is about a degree and a half warmer than usual for this time of year—nothing crazy, but nice for a quick session. The real standout in this whole window doesn't come until mid-month.
Let's talk about the real bright spot. Tuesday September 15th is the one to circle. That afternoon is looking clean and glassy with the wind going light. The swell is coming from the SW at 2ft, with a period around 19 seconds—that's a nice long-period groundswell that will wrap into this reef setup nicely. The wave energy is moderate at 380, enough to give it some push. This is a consistent break, so you can usually count on it, but with a swell like this, the shape should be there for the intermediate crew. Keep in mind it can get a bit crowded around here sometimes, so you might have some company. The swell direction is SW, which isn't a perfect match for the optimum WNW, but it's working.
Things stay quiet through the rest of the month, with a couple more promising glassy windows on the 17th (Thursday afternoon) and a few other moments. But honestly, nothing else really jumps out to compete with that Tuesday session. The second week's swell picks up a little in energy, hitting over 650 (658) around the 18th, but the wave heights stay small and conditions are just "marginal" for the most part. By the end of the window, from the 21st onward, it fades right back to almost nothing.
So, if you're keen, pencil in Tuesday September 15th afternoon. It's the best we've got.
- Rusty
Short Range ForecastModerate rain (total 13mm), heaviest on Wed night. Warm (max 28°C on Wed afternoon, min 25°C on Fri night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Sat night. Warm (max 28°C on Tue morning, min 25°C on Sat night). Wind will be generally light. | |||||||||||||||||||
Wed 9 | Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | ||||||||||||||
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 13 | SSW 13 | SW 18 | SW 16 | SSW 16 | SW 15 | SW 15 | SW 14 | SSW 16 | SW 13 | SSW 15 | SW 15 | SSW 14 | SW 14 | SSW 22 | SSW 21 | SW 20 | SW 19 | SW 19 |
Wave Graph  | ||||||||||||||||||||
 kJ | 253 | 176 | 170 | 154 | 211 | 169 | 181 | 178 | 102 | 99 | 87 | 86 | 64 | 79 | 53 | 181 | 180 | 309 | 303 | 372 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | glassy | cross-on | cross | cross | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | glassy | glassy | on | cross-on | glassy | cross-on | glassy | glassy |
High Tide | 2:44PM0.71m | 3:08AM0.46m | 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 | |||||||
Low Tide | 9:27PM0.05m | 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 | |||||||
 |  |  |  |  | | | | | | |  | |  | | | | | | | |
 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:11 | — | — | 6:11 | — | — | 6:11 | — | — |
 | 6:31 | — | — | 6:30 | — | — | 6:30 | — | — | 6:29 | — | — | 6:28 | — | — | 6:27 | — | — | 6:25 | — |
mm | — | 2 | 1 | 2 | 3 | 2 | 2 | 1 | — | — | 2 | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 27 | 28 | 28 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 27 | 27 | 27 | 28 | 28 | 27 |
Feels °C | 32 | 31 | 31 | 31 | 30 | 29 | 28 | 28 | 29 | 28 | 29 | 30 | 31 | 30 | 30 | 30 | 31 | 31 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | NNE 7 | NNE 5 | SSW 16 | NNE 5 | SW 15 | NNE 8 | NNE 8 | NNE 9 | NNE 9 | NNE 8 | NNE 5 | NNE 8 | NNE 8 | NNE 8 | SW 20 | SW 19 | SW 19 |
| kJ | 253 | 176 | 170 | 56 | 28 | 169 | 20 | 178 | 26 | 64 | 50 | 50 | 64 | 20 | 47 | 59 | 56 | 309 | 303 | 372 |
Swell 2 Height (m) Direction Period (s) | SSW 7 | NNE 7 | NNE 7 | SSW 12 | SW 16 | NNE 4 | SW 15 | NNE 8 | SW 14 | SSW 16 | SW 13 | SSW 15 | SW 15 | NNE 9 | SW 14 | SSW 22 | SSW 21 | NNE 8 | NNE 8 | NNE 7 |
| kJ | 44 | 33 | 34 | 121 | 211 | 12 | 181 | 37 | 91 | 99 | 87 | 86 | 54 | 29 | 50 | 181 | 180 | 23 | 39 | 37 |
Swell 3 Height (m) Direction Period (s) | WNW 6 | SSW 7 | SW 17 | SW 18 | SSW 10 | SW 9 | SW 9 | SW 9 | SSW 16 | SW 13 | SW 16 | SW 12 | WNW 11 | SSW 14 | SSW 23 | SW 14 | SW 13 | SW 13 | SW 12 | SW 12 |
| kJ | 22 | 26 | 137 | 154 | 68 | 31 | 29 | 28 | 102 | 45 | 65 | 37 | 11 | 79 | 53 | 49 | 44 | 41 | 38 | 37 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | S 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | S 6 |
| kJ | — | — | — | — | 3 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 3 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 100 | 0 | 104 | 12 | 14 | 45 | 104 | 25 | 10 | 111 | 14 | 87 | 0 | 0 | 88 | 25 | 0 | 47 | 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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