Surf Forecasts:
Honokohau Harbour surf forecast from 19 Jul 2026:
- Best quality surf: Thursday 23 Jul, 5AM (local time) - 3ft (0.9m), 21s period, SSW swell with glassy winds.
- Most powerful swell: Saturday 25 Jul, 5PM (local time) - 3.5ft (1.1m), 18s period, SSW swell with 790 kJ wave energy.
- Next surfable swell (1★+): Sunday 19 Jul, 5AM (local time) - 2ft (0.6m), 12s 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 (Jul 19) at 5AM. The primary swell is predicted to be 0.6m and 12s period with a secondary swell of 0.7m 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 1.1m 18s and forecast to arrive on Saturday (Jul 25) at 5PM. 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 Monday (Jul 20) at 8AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 5AM (Sun 19th Jul) | 2ft (0.6m) 12s |
| Best Surf | 5AM (Thu 23rd Jul) | 3ft (0.9m) 21s |
| Most Powerful | 5PM (Sat 25th Jul) | 3.5ft (1.1m) 18s |
Table - best surf conditions forecast for Honokohau Harbour over the next 16 days.
The Lowdown
Alright, let’s switch to feet and Fahrenheit for the mainland crew.
This is Rusty, and the outlook is pretty quiet for a while. We’re looking at a long, dry spell with no real surf to get excited about for most of the next 16 days. The only spot that pops up is Honokohau Harbour (Hawaii), a reef setup that’s fairly exposed to the WNW swell window, but it’s a picky one. It’s consistent, but the crowds can show up sometimes.
The first real sign of life doesn’t show until Saturday, July 25th. The whole week before that is just a mix of tiny, weak swell and poor conditions. The combined energy is low, mostly under 100, with a few days of moderate energy around 437 to 596, but the wind is almost always cross-onshore or onshore, ruining any chance of clean waves. The water temp is about average for the time of year, nothing wild.
Now, Saturday afternoon the 25th is the one standout. The wind goes glassy, and we get a 4ft SSW swell rolling in. The combined energy hits 876 (strong wave energy), and the period is 18 seconds—that’s proper groundswell. That kind of long-period energy is gonna wrap around the reef nicely, and with glassy conditions, it’ll be clean as a whistle. For an intermediate, this is the best on offer. The break is a bit exposed, so the SSW direction is a solid match for the optimum WNW direction.
After that little window, it fades fast. The next few days are back to small, weak, and messy. Sunday the 26th afternoon gets a cross-on breeze and the energy drops. By Monday, it’s all downhill again. The last week of the month and into August is a total bust—poor surf conditions, tiny swell, and the combined energy barely scraping into the low hundreds. There’s a glimmer on Thursday, July 30th, where the morning has a glassy 2ft SW swell, but the energy is only 198 and the wave comment says “ordinary conditions.” Not worth paddling out for.
Bottom line: if you’re keen, mark Saturday the 25th afternoon. That’s the day. Otherwise, it’s a long wait for the next proper swell.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Sat night. Warm (max 27°C on Sun morning, min 25°C on Sat night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 2mm), mostly falling on Wed night. Warm (max 27°C on Wed morning, min 24°C on Wed night). Wind will be generally light. | ||||||||||||||||||
Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | ||||||||||||||
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) | W 13 | NNE 5 | SSW 13 | SSW 11 | SW 18 | SW 18 | SW 16 | SW 17 | SW 16 | SSW 26 | SSW 24 | SSW 23 | SSW 21 | SSW 20 | SSW 20 | SSW 18 | SSW 18 | SSW 17 | SSW 20 |
Wave Graph  | |||||||||||||||||||
 kJ | 87 | 27 | 95 | 40 | 83 | 81 | 69 | 73 | 67 | 222 | 437 | 550 | 611 | 517 | 544 | 464 | 322 | 428 | 399 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | on | glassy | cross-on | cross-on | cross-on | cross-on | on | glassy | on | cross | cross-on | on | on | glassy | on | cross-on | glassy |
High Tide | 8:16AM0.40m | 7:21PM0.46m | 9:27AM0.45m | 7:57PM0.38m | 10:36AM0.51m | 8:40PM0.30m | 11:37AM0.56m | 9:45PM0.25m | 12:30PM0.61m | 11:11PM0.22m | 1:15PM0.66m | 00:26AM0.21m | |||||||
Low Tide | 1:50AM0.02m | 1:35PM0.22m | 2:23AM0.03m | 3:14PM0.27m | 2:59AM0.03m | 5:17PM0.27m | 3:40AM0.03m | 7:08PM0.23m | 4:27AM0.03m | 8:14PM0.19m | 5:17AM0.03m | 8:54PM0.16m | |||||||
 |  | | |  | | | | |  | | | | | |  | | | | |
 | — | 5:54 | — | — | 5:54 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — | 5:56 | — | — |
 | 7:05 | — | 7:05 | — | — | 7:05 | — | — | 7:04 | — | — | 7:04 | — | — | 7:04 | — | — | 7:02 | — |
mm | 2 | — | — | 1 | — | — | 1 | — | — | — | — | — | 2 | — | — | — | — | — | — |
Temp °C | 26 | 27 | 26 | 26 | 27 | 27 | 26 | 27 | 27 | 26 | 27 | 26 | 25 | 27 | 27 | 26 | 27 | 27 | 26 |
Feels °C | 29 | 30 | 28 | 29 | 28 | 28 | 29 | 28 | 29 | 28 | 29 | 28 | 28 | 29 | 29 | 29 | 29 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | NNE 7 | NNE 5 | NNE 6 | S 17 | S 16 | S 15 | S 15 | S 14 | S 14 | S 13 | SSW 24 | S 13 | SSW 21 | SSW 20 | SSW 20 | SSW 18 | SSW 18 | NNE 7 | SSW 16 |
| kJ | 50 | 27 | 32 | 200 | 502 | 441 | 418 | 390 | 298 | 336 | 437 | 206 | 611 | 517 | 544 | 464 | 322 | 68 | 302 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 13 | S 18 | NNE 6 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 6 | S 11 | NE 6 | S 12 | NNE 6 | NNE 6 | NNE 6 | S 12 | SSW 17 | SSW 20 |
| kJ | 108 | 115 | 162 | 32 | 37 | 46 | 40 | 30 | 30 | 39 | 82 | 40 | 184 | 38 | 52 | 53 | 141 | 428 | 399 |
Swell 3 Height (m) Direction Period (s) | W 13 | S 19 | SSW 13 | SSW 11 | SW 18 | SW 18 | SW 16 | SW 17 | SW 16 | SSW 26 | S 13 | SSW 23 | NNE 6 | S 11 | S 11 | S 13 | NE 6 | SSW 21 | S 12 |
| kJ | 87 | 112 | 95 | 40 | 83 | 81 | 69 | 73 | 67 | 222 | 125 | 550 | 33 | 125 | 87 | 209 | 43 | 353 | 97 |
Wind waves Height (m) Direction Period (s) | WNW 3 | — | — | — | SSE 6 | — | — | — | — | — | — | — | — | — | — | — | N 6 | — | NNE 7 |
| kJ | 1 | — | — | — | 7 | — | — | — | — | — | — | — | — | — | — | — | 19 | — | 81 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 14 | 113 | 113 | 0 | 111 | 12 | 2 | 111 | 104 | 0 | 113 | 25 | 2 | 104 | 125 | 0 | 113 | 2 | 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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