Surf Forecasts:
Honokohau Harbour surf forecast from 3 Sep 2026:
- Best quality surf: Sunday 6 Sep, 11PM (local time) - 6ft (1.8m), 12s period, SW swell with glassy winds.
- Most powerful swell: Tuesday 8 Sep, 8AM (local time) - 13ft (4.0m), 13s period, SW swell with 5,105 kJ wave energy.
- Next surfable swell (1★+): Wednesday 2 Sep, 8PM (local time) - 3ft (0.9m), 7s period with NNE 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 02) at 8PM. The primary swell is predicted to be 0.9m and 7s period. 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 4.0m 13s and forecast to arrive on Tuesday (Sep 08) at 8AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.0m 6s period and expected on Tuesday (Sep 08) at 5AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8PM (Wed 2nd Sep) | 3ft (0.9m) 7s |
| Best Surf | 11PM (Sun 6th Sep) | 6ft (1.8m) 12s |
| Most Powerful | 8AM (Tue 8th Sep) | 13ft (4.0m) 13s |
Table - best surf conditions forecast for Honokohau Harbour over the next 16 days.
The Lowdown
Alright, Rusty here again. Let’s break it down.
First few days are a total dud. Wednesday 2nd through Friday 4th September – tiny, weak swell, poor conditions. Don’t bother.
Saturday 5th September morning brings a change. A new SSW groundswell shows up at 6ft with a 12-second period, moderate energy (880). Still a bit cross-onshore, but it’s a start. The afternoon cleans up a little.
Sunday 6th September holds 6ft from the SW, same period, and the energy jumps to strong (907 in the morning, 1262 in the afternoon). Wind is still a little cross-onshore.
Now, Monday 7th September afternoon is the real deal. Swell is 6ft from the SW, period 13 seconds, and the wind goes glassy – dead calm. That’s gold. The energy is very strong (1684), and the wave report says excellent for experienced surfers. Honokohau Harbour (Big Island) is a reef break, so that long-period swell will wrap in clean. Crowds are sometimes a factor, so be ready. This is the best of the first week.
Tuesday 8th September is a monster, but only for experts. We’re talking 12ft from the WSW with a 15-second period, and energy is massive (5224). But the wind is a strong cross-shore at 15 mph, making it choppy and rough. Kite surfers might love it, but paddle surfers will struggle. The afternoon is still 12ft with a 13-second period and cross-wind.
Wednesday 9th September drops to 5ft from the SW, but the afternoon has a clean cross-offshore wind. Decent, but not the highlight.
After that, from Thursday 10th September onward, the swell fades to 1ft to 2ft, with long periods (15-24 seconds) but very weak energy (mostly under 500). Conditions are poor with light onshore winds. The second week is a snooze.
So the standout is Monday 7th September afternoon at Honokohau Harbour – glassy, 6ft SW groundswell, long period. That’s your session. Tuesday 8th is for the big-wave crew only.
Water temp is 82°F, about 1°F warmer than average – just a little on the warm side.
Rusty.
Short Range ForecastMostly dry. 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 5mm), mostly falling on Sun night. Warm (max 28°C on Sun morning, min 26°C on Sat night). Winds increasing (calm on Sun night, fresh winds from the S by Mon night). | |||||||||||||||||||
Wed 2 | Thursday 3 | Friday 4 | Saturday 5 | Sunday 6 | Monday 7 | Tuesday 8 | ||||||||||||||
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 | NNE 6 | NNE 7 | NNE 7 | NNE 6 | NNE 6 | SSW 20 | NNE 6 | SSW 11 | SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | WSW 14 | SW 12 | W 11 | SSW 14 |
Wave Graph  | ||||||||||||||||||||
 kJ | 114 | 66 | 73 | 93 | 51 | 58 | 38 | 41 | 603 | 797 | 769 | 808 | 1009 | 841 | 932 | 1589 | 3894 | 4112 | 1048 | 514 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | glassy | on | cross | glassy | on | cross-on | glassy | on | cross-on | cross | cross-on | cross-on | cross-on | on | glassy | cross | cross | cross | cross |
High Tide | 6:49PM0.30m | 9:11AM0.64m | 8:01PM0.25m | 10:28AM0.67m | 10:02PM0.22m | 11:36AM0.71m | 11:43PM0.24m | 12:34PM0.74m | 00:51AM0.28m | 1:22PM0.76m | 1:42AM0.34m | 2:05PM0.75m | 2:27AM0.40m | |||||||
Low Tide | 3:06PM0.25m | 1:09AM0.06m | 5:13PM0.23m | 2:10AM0.07m | 6:36PM0.18m | 3:30AM0.08m | 7:23PM0.13m | 4:53AM0.08m | 7:59PM0.10m | 6:05AM0.06m | 8:31PM0.08m | 7:06AM0.05m | 9:00PM0.06m | |||||||
 |  | |  |  | | | | | | | |  |  | | | | | | | |
 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — | 6:09 | — | — |
 | 6:37 | — | — | 6:37 | — | — | 6:36 | — | — | 6:35 | — | — | 6:35 | — | — | 6:34 | — | — | 6:32 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 4 | — | — | — | — | — | — |
Temp °C | 28 | 27 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 27 | 26 | 28 | 28 | 27 | 28 | 28 | 28 | 28 | 29 | 27 |
Feels °C | 32 | 31 | 31 | 30 | 31 | 30 | 29 | 29 | 28 | 29 | 28 | 31 | 30 | 30 | 31 | 30 | 31 | 26 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | NNE 7 | NNE 6 | SSE 13 | S 12 | S 13 | S 11 | S 11 | S 12 | SSW 11 | SSW 12 | SSW 12 | SW 12 | SW 12 | SW 12 | SW 13 | SW 13 | WSW 14 | SSW 15 | W 11 | SSW 9 |
| kJ | 114 | 66 | 515 | 603 | 398 | 546 | 566 | 699 | 603 | 797 | 769 | 808 | 1009 | 841 | 932 | 1589 | 3894 | 456 | 1048 | 404 |
Swell 2 Height (m) Direction Period (s) | S 15 | S 15 | NNE 7 | NNE 7 | S 11 | NNE 6 | SSW 20 | NNE 6 | NNE 6 | NNE 6 | NNE 5 | S 9 | S 10 | SSW 17 | SSW 17 | SSW 16 | SSW 15 | NE 10 | SSW 14 | WNW 10 |
| kJ | 371 | 272 | 73 | 93 | 231 | 58 | 38 | 41 | 35 | 34 | 31 | 57 | 116 | 534 | 596 | 547 | 597 | 48 | 443 | 407 |
Swell 3 Height (m) Direction Period (s) | S 11 | SSE 13 | S 14 | W 9 | NNE 6 | SW 18 | W 10 | SSW 20 | SSW 18 | SSW 18 | S 10 | NNE 7 | SSW 19 | S 10 | S 10 | S 9 | NE 11 | NW 12 | NE 9 | SSW 14 |
| kJ | 36 | 116 | 203 | 6 | 51 | 12 | 2 | 38 | 62 | 63 | 73 | 33 | 360 | 153 | 216 | 189 | 101 | 6 | 41 | 514 |
Wind waves Height (m) Direction Period (s) | WSW 7 | — | — | — | — | — | NNE 6 | — | — | — | — | — | — | — | NNE 6 | — | S 9 | SW 12 | SSW 10 | — |
| kJ | 5 | — | — | — | — | — | 75 | — | — | — | — | — | — | — | 7 | — | 450 | 4112 | 784 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 125 | 14 | 0 | 116 | 7 | 6 | 113 | 113 | 87 | 45 | 42 | 0 | 45 | 35 | 7 | 45 | 0 | 0 | 67 | 47 |
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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