Surf Forecasts:
Honokohau Harbour surf forecast from 23 Aug 2026:
- Best quality surf: Sunday 23 Aug, 2PM (local time) - 1.5ft (0.5m), 16s period, SSW swell with glassy winds.
- Most powerful swell: Thursday 27 Aug, 5AM (local time) - 3ft (0.9m), 16s period, SSW swell with 421 kJ wave energy.
- Next surfable swell (1★+): Sunday 23 Aug, 2PM (local time) - 1.5ft (0.5m), 16s 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 Sunday (Aug 23) at 2PM. The primary swell is predicted to be 0.5m and 16s period with a secondary swell of 1.0m and 6s. Another secondary swell of 0.7m and 11s is also forecast. 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 16s and forecast to arrive on Thursday (Aug 27) 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 1.0m 16s period and expected on Thursday (Aug 27) at 8AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2PM (Sun 23rd Aug) | 1.5ft (0.5m) 16s |
| Best Surf | 2PM (Sun 23rd Aug) | 1.5ft (0.5m) 16s |
| Most Powerful | 5AM (Thu 27th Aug) | 3ft (0.9m) 16s |
Table - best surf conditions forecast for Honokohau Harbour over the next 16 days.
The Lowdown
Alright, this is Rusty, and I’m looking at the next couple of weeks here at Honokohau Harbour. We’ve got a classic little run of very clean, small, long-period groundswell coming in right off the bat, but the rest of the window is a grind. The water is sitting at 82°, which is a touch warmer than normal for this time of year.
The standout is this Sunday morning, August 23rd. We’ve got a glassy 2 ft swell from the SSW with a very long period of 16 seconds. The energy is moderate (327), and with the wind dead calm, it’s going to be ultra clean. This is a proper reef setup, so that long period will wrap in nicely. Afternoon sees the same conditions with the wind dropping to zero – glassy again. That’s the pick of the whole forecast.
Monday morning, the 24th, gets a little bump to 3 ft, but the wind swings around to a light cross-onshore, so it’s not as clean. The energy drops a bit (234). The rest of the week through the 25th to the 28th is mostly poor surf with cross-on or onshore winds and very small swell. Not worth paddling out for.
We get a brief reprieve on the afternoon of Saturday the 29th with glassy conditions again, but the swell is tiny at 1 ft and the energy is low (126). It’s surfable but very ordinary. That’s the story for the 30th as well.
Then we hit a real flat spell. From the 31st of August all the way through the 4th of September, the waves are virtually non-existent, with energy readings dropping below 100 and winds mostly cross-on or onshore. There’s nothing to recommend.
Way out at the end of the window, we see a promising but less certain sign. On the morning of September 5th, we get a 1 ft swell from the SSW with a very long period of 21 seconds. The energy is moderate (199) but the conditions are poor. The afternoon of the 5th and the 6th look a little better, but still marginal. The 7th of September has a 3 ft SSW swell with a 16-second period and moderate energy (427), but the wind is onshore. It’s a long way off, so keep an eye on it, but it’s not looking like a sure thing.
Rusty.
Short Range ForecastModerate rain (total 10mm), heaviest on Mon night. Warm (max 29°C on Sun morning, min 26°C on Mon night). Wind will be generally light. | Days 4-6 Weather SummaryLight rain (total 5mm), mostly falling on Thu night. Warm (max 27°C on Wed morning, min 25°C on Wed night). Wind will be generally light. | ||||||||||||||||||||
Sunday 23 | Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | |||||||||||||||
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) | WNW 12 | SSW 15 | SSW 14 | SSW 13 | SSW 13 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 14 | SSW 17 | SSW 13 | SSW 16 | NNE 5 | SSW 14 | NNE 5 | SSW 13 | NNE 6 | NNE 5 | SW 17 | NNE 6 |
Wave Graph  | |||||||||||||||||||||
 kJ | 144 | 126 | 186 | 204 | 201 | 149 | 146 | 188 | 167 | 160 | 300 | 131 | 259 | 33 | 273 | 15 | 184 | 33 | 46 | 75 | 27 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | glassy | cross-on | on | glassy | on | cross-on | glassy | cross-on | cross-on | glassy | on | on | cross-on | cross-on | cross-on | glassy | cross-on | glassy | cross-off |
High Tide | 1:23PM0.68m | 1:17AM0.27m | 1:59PM0.70m | 1:58AM0.30m | 2:32PM0.71m | 2:35AM0.34m | 3:02PM0.70m | 3:11AM0.38m | 3:32PM0.68m | 3:49AM0.43m | 4:00PM0.64m | 4:27AM0.47m | 4:29PM0.59m | ||||||||
Low Tide | 8:43PM0.14m | 6:38AM0.07m | 9:08PM0.12m | 7:24AM0.06m | 9:31PM0.10m | 8:06AM0.05m | 9:53PM0.09m | 8:47AM0.06m | 10:15PM0.08m | 9:29AM0.08m | 10:36PM0.06m | 10:14AM0.11m | 10:58PM0.05m | ||||||||
 |  |  |  |  |  | | | | | |  | | | | | | | | | | |
 | 6:05 | — | — | 6:05 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — |
 | — | 6:45 | — | — | 6:45 | — | — | 6:45 | — | — | 6:44 | — | — | 6:43 | — | — | 6:42 | — | — | 6:40 | — |
mm | — | 1 | 1 | — | 1 | 2 | 1 | — | 4 | — | — | — | — | — | 3 | — | — | 2 | — | 2 | — |
Temp °C | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 27 | 26 | 26 | 27 | 27 | 26 | 27 | 26 | 26 |
Feels °C | 32 | 32 | 32 | 31 | 31 | 33 | 32 | 32 | 31 | 30 | 30 | 29 | 29 | 28 | 28 | 29 | 29 | 29 | 30 | 29 | 30 |
Swell 1 Height (m) Direction Period (s) | NNE 6 | NNE 6 | NNE 6 | SSW 13 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 5 | NNE 6 | SSW 17 | NNE 5 | S 18 | NNE 5 | SSW 14 | S 15 | S 14 | NNE 6 | NNE 5 | NNE 6 | NNE 6 |
| kJ | 66 | 73 | 42 | 204 | 32 | 29 | 49 | 64 | 46 | 40 | 300 | 31 | 395 | 33 | 273 | 209 | 196 | 33 | 46 | 47 | 27 |
Swell 2 Height (m) Direction Period (s) | WNW 12 | WNW 11 | SSW 14 | NNE 6 | SSW 13 | SSW 12 | SSW 12 | SSW 16 | SSW 15 | S 18 | NNE 6 | S 18 | SSW 16 | S 15 | S 16 | S 14 | NNE 6 | S 13 | S 13 | S 13 | S 12 |
| kJ | 117 | 76 | 186 | 30 | 201 | 121 | 117 | 188 | 167 | 230 | 41 | 304 | 259 | 215 | 310 | 132 | 27 | 89 | 121 | 165 | 72 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | SSW 15 | S 13 | SSE 7 | S 12 | SSW 16 | SSW 16 | SSW 12 | S 18 | SSW 14 | S 20 | SSW 13 | S 13 | S 16 | NNE 6 | NNE 5 | SSW 13 | S 13 | S 13 | SW 17 | S 12 |
| kJ | 144 | 126 | 85 | 16 | 101 | 149 | 146 | 111 | 165 | 160 | 276 | 131 | 115 | 257 | 21 | 15 | 184 | 85 | 121 | 75 | 70 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | SSW 6 | — | — | NW 9 | NW 9 | WNW 9 | — | — | NW 10 | — | — | — | — | WNW 10 | — | S 5 | — |
| kJ | — | — | — | — | 7 | — | — | 22 | 14 | 8 | — | — | 15 | — | — | — | — | 18 | — | 4 | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 113 | 100 | 0 | 113 | 125 | 0 | 2 | 113 | 0 | 113 | 113 | 7 | 113 | 113 | 6 | 113 | 0 | 6 |
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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