Surf Forecasts:
Honokohau Harbour surf forecast from 16 Aug 2026:
- Best quality surf: Friday 21 Aug, 5AM (local time) - 2.5ft (0.7m), 17s period, SW swell with glassy winds.
- Most powerful swell: Friday 21 Aug, 5AM (local time) - 2.5ft (0.7m), 17s period, SW swell with 298 kJ wave energy.
- Next surfable swell (1★+): Monday 17 Aug, 8AM (local time) - 1.5ft (0.4m), 11s period with WNW 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 Monday (Aug 17) at 8AM. The primary swell is predicted to be 0.4m and 11s 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 0.7m 17s and forecast to arrive on Friday (Aug 21) at 5AM. Winds are predicted to be glassy at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 3.5m 8s period and expected on Sunday (Aug 16) at 5AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Mon 17th Aug) | 1.5ft (0.4m) 11s |
| Best Surf | 5AM (Fri 21st Aug) | 2.5ft (0.7m) 17s |
| Most Powerful | 5AM (Fri 21st Aug) | 2.5ft (0.7m) 17s |
Table - best surf conditions forecast for Honokohau Harbour over the next 16 days.
The Lowdown
Alright, Rusty here again. Let’s talk about Honokohau Harbour.
Right now, things are flat and not much is happening. It’s going to be a long, quiet stretch for a while. The first several days are flat, small, and choppy, with nothing worth paddling out for. Swell energy is weak, barely stirring. The water temp is about average for this time of year, nothing out of the ordinary.
The first real opportunity shows up on Saturday the 22nd of August in the afternoon. After days of nothing, we get a glassy window—wind drops to nearly nothing—and the swell comes up to 0.5m from the southwest, with a period of 15 seconds. The combined swell energy is around 190. The waves will be small and weak, but clean. This is beginner-friendly if you just want to get wet.
The next decent chance is Monday the 24th of August. Morning and afternoon both look glassy with calm or light offshore winds. Swell holds around 0.7m from the south-southwest with a period of 13-14 seconds, and combined energy between 150 and 187. Still tiny, but it’s as clean as the reef gets in this stretch. Bring a longboard.
Around Tuesday the 25th, the energy jumps to 322, but the wind turns cross-on and conditions are only marginal. Wednesday the 26th morning is the best of the whole outlook: combined energy hits 401, with a 0.7m south-southwest groundswell at 14 seconds and offshore wind. That’s the standout. The waves will have some push and shape despite the small size, but it’s still only for intermediate surfers—nothing to challenge beyond that.
From the 27th onward, it’s back to small, short-period junk with poor wind. Not worth chasing.
Best bet: Wednesday morning the 26th of August. Offshore wind, the highest energy reading of the whole period at 401, and a 14-second south-southwest groundswell that will give the reef a nice, clean shape. Crowds are possible here on a morning like that. Just don’t expect much height—you’re looking at about 0.7m—but there’ll be a bit of push behind it.
Otherwise, it’s a quiet run for Honokohau Harbour.
- Rusty
Short Range ForecastLight rain (total 7mm), mostly falling on Sun morning. Warm (max 29°C on Sun morning, min 26°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 27°C on Wed morning, min 25°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | |||||||||||||||
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) | S 7 | S 13 | NNE 7 | WNW 11 | NNE 6 | NNE 5 | WNW 11 | WNW 11 | SW 18 | SW 16 | WNW 12 | SW 16 | SSW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SSW 16 | SW 15 | SSW 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 0 | 0 | 37 | 42 | 49 | 44 | 42 | 41 | 54 | 67 | 48 | 130 | 209 | 143 | 284 | 127 | 121 | 261 | 164 | 112 | 150 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | on | cross | cross | on | glassy | cross-on | on | on | cross | on | on | cross | cross-on | cross-on | cross | cross-on | on | cross-on | on | cross-on | glassy |
High Tide | 6:02PM0.48m | 7:25AM0.51m | 6:32PM0.40m | 8:28AM0.53m | 7:04PM0.33m | 9:39AM0.55m | 7:48PM0.27m | 10:50AM0.59m | 9:25PM0.24m | 11:51AM0.62m | 11:15PM0.23m | 12:41PM0.65m | 00:27AM0.25m | ||||||||
Low Tide | 12:19PM0.19m | 00:37AM0.06m | 1:31PM0.24m | 1:08AM0.07m | 3:10PM0.27m | 1:45AM0.08m | 5:22PM0.26m | 2:34AM0.09m | 7:02PM0.23m | 3:38AM0.10m | 7:46PM0.19m | 4:47AM0.10m | 8:16PM0.16m | ||||||||
 | |  |  | |  |  | | | | | | | |  | | | |  | | | |
 | 6:03 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — | 6:05 | — | — |
 | — | 6:51 | — | — | 6:51 | — | — | 6:50 | — | — | 6:49 | — | — | 6:49 | — | — | 6:47 | — | — | 6:46 | — |
mm | 1 | 1 | — | — | — | 2 | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 29 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 26 | 27 | 27 | 27 | 28 | 28 | 27 |
Feels °C | 34 | 33 | 32 | 32 | 31 | 31 | 30 | 29 | 29 | 30 | 29 | 31 | 30 | 30 | 30 | 30 | 29 | 30 | 31 | 31 | 31 |
Swell 1 Height (m) Direction Period (s) | S 13 | S 6 | S 15 | S 14 | S 14 | NNE 5 | S 13 | S 13 | S 12 | S 12 | S 12 | SW 16 | SSW 18 | SW 17 | SW 17 | SW 16 | SW 16 | SW 16 | SSW 16 | NNE 6 | NNE 6 |
| kJ | 168 | 148 | 422 | 333 | 320 | 44 | 162 | 168 | 69 | 71 | 72 | 130 | 209 | 143 | 284 | 127 | 121 | 261 | 164 | 51 | 33 |
Swell 2 Height (m) Direction Period (s) | NE 8 | S 13 | SSW 5 | NNE 6 | NNE 6 | S 13 | NNE 5 | NNE 5 | WNW 13 | NNE 4 | NNE 4 | NNE 6 | NE 6 | NE 7 | NNE 7 | S 11 | S 13 | S 13 | S 12 | SW 15 | SSW 15 |
| kJ | 65 | 222 | 28 | 36 | 49 | 167 | 24 | 15 | 54 | 7 | 6 | 16 | 10 | 11 | 18 | 37 | 85 | 126 | 76 | 112 | 150 |
Swell 3 Height (m) Direction Period (s) | S 16 | NE 8 | NNE 7 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | SW 18 | SW 16 | WNW 12 | S 12 | S 11 | S 10 | S 11 | NE 7 | NNE 7 | NNE 7 | SSW 17 | S 12 | S 13 |
| kJ | 185 | 48 | 37 | 42 | 42 | 43 | 42 | 41 | 49 | 67 | 48 | 44 | 21 | 34 | 37 | 11 | 18 | 29 | 58 | 73 | 87 |
Wind waves Height (m) Direction Period (s) | S 7 | S 13 | — | WSW 5 | — | — | W 5 | WNW 5 | NNE 4 | — | — | — | — | — | — | — | — | — | N 7 | — | N 5 |
| kJ | 199 | 1090 | — | 5 | — | — | 2 | 2 | 12 | — | — | — | — | — | — | — | — | — | 22 | — | 14 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 67 | 7 | 12 | 14 | 0 | 113 | 104 | 113 | 13 | 45 | 87 | 6 | 47 | 39 | 9 | 47 | 10 | 2 | 101 | 45 | 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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