Surf Forecasts:
Honolii Beach Park surf forecast from 21 Jul 2026:
- Best quality surf: Sunday 26 Jul, 5AM (local time) - 5ft (1.5m), 16s period, E swell with glassy winds.
- Most powerful swell: Monday 27 Jul, 2PM (local time) - 7.5ft (2.3m), 14s period, E swell with 2,187 kJ wave energy.
- Next surfable swell (1★+): Tuesday 21 Jul, 2AM (local time) - 4ft (1.2m), 7s period with ENE swell.
Best Forecast Surf Conditions for Honolii Beach Park this week:
The surf forecast for Honolii Beach Park over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jul 21) at 2AM. The primary swell is predicted to be 1.2m and 7s period with a secondary swell of 0.3m and 12s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at Honolii Beach Park in the next 16 days are 2.3m 14s and forecast to arrive on Monday (Jul 27) 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 0.9m 8s period and expected on Saturday (Jul 25) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Tue 21st Jul) | 4ft (1.2m) 7s |
| Best Surf | 5AM (Sun 26th Jul) | 5ft (1.5m) 16s |
| Most Powerful | 2PM (Mon 27th Jul) | 7.5ft (2.3m) 14s |
Table - best surf conditions forecast for Honolii Beach Park over the next 16 days.
The Lowdown
Alright, this is Rusty.
Let’s get into it for the Big Island area. The water temp is about normal for this time of year.
We’ve got a pretty quiet start, then a bit of a ramp-up for the end of next week. The first few days are a scratch-fest. Waves around 3 to 4 feet from the east with a short, weak period, and that cross-onshore wind is messing things up. Choppy, not worth your time.
Now, Honolii Beach Park, the river mouth. This spot is always in the game. A little pulse comes through on Wednesday, July 22nd. Swell is 4 feet from the east, but the period jumps to 12 seconds, giving it some real punch (combined energy at 465, moderate). The wind is light and onshore, so the surface will look good. Thursday morning, July 23rd, has similar 4ft east swell but with that 11-second period and the wind goes a bit cross-on, so it’s still okay but not perfect.
The main event is Sunday, July 26th, into Monday, July 27th. This is where it gets serious. Sunday morning we get 5 feet of swell from the east with a very long 16-second period. That combined energy is at 1473 (very strong!). That’s a proper groundswell. The wind is light and onshore. This is a big, powerful wave. For a river mouth, the long period might make it a little straight, but when it’s this solid, it’ll be a sight. By Monday the 27th, we’re looking at 7 to 8 feet of east swell with a 14-second period. Energy readings hit 2137 to 2278. That is heavy water. Only for the confident crew. The wind on Monday afternoon goes cross-on, so it might get a little bumpy, but the power is undeniable.
After that peak, things fade fast. The second week shows a return to small stuff, mostly under 3 feet. There’s a whisper of some long-period energy around August 2nd and 3rd, but it’s only 3 feet, so it’s a non-starter.
So, the plan: Skip the first few days. Paddle out Wednesday morning, July 22nd, and Thursday morning, July 23rd for cleaner, smaller waves. But the real, no-question-about-it, best swell of the entire outlook is Sunday, July 26th, through Monday, July 27th. That’s the big dog. Go get it, but be smart.
Rusty out.
Short Range ForecastModerate rain (total 11mm), heaviest on Tue night. Warm (max 26°C on Mon night, min 24°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 7mm), mostly falling on Thu night. Warm (max 26°C on Fri afternoon, min 24°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | ||||||||||||||
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) | ENE 7 | E 7 | E 7 | E 12 | E 12 | E 12 | E 11 | E 11 | ENE 7 | ENE 7 | E 7 | E 8 | ENE 8 | NNE 8 | E 17 | E 16 | E 16 | E 16 | E 15 |
Wave Graph  | |||||||||||||||||||
 kJ | 132 | 93 | 113 | 132 | 430 | 344 | 350 | 396 | 220 | 181 | 143 | 191 | 287 | 142 | 367 | 984 | 1226 | 1705 | 1759 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-on | cross-on | cross-on | on | on | cross-on | cross-on | on | cross-on | on | on | on | on | on | glassy | on | on | cross-on |
High Tide | 10:07AM0.57m | 7:32PM0.47m | 11:28AM0.63m | 7:34PM0.40m | 12:26PM0.69m | 9:37PM0.34m | 1:10PM0.74m | 11:25PM0.33m | 1:46PM0.78m | 00:30AM0.35m | 2:19PM0.81m | 1:18AM0.37m | |||||||
Low Tide | 2:27AM0.07m | 3:45PM0.42m | 3:14AM0.07m | 7:14PM0.40m | 4:08AM0.06m | 8:21PM0.34m | 5:04AM0.04m | 8:34PM0.30m | 5:57AM0.02m | 8:51PM0.27m | 6:44AM-0.02m | 9:10PM0.24m | |||||||
 |  |  | |  | | | | | | | | | | |  | | | | |
 | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:54 | — | — |
 | 7:00 | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 7:00 | — | — | 6:59 | — |
mm | 2 | — | 1 | 5 | — | — | 2 | 1 | — | 2 | 1 | — | 1 | — | — | — | 2 | 1 | 2 |
Temp °C | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 25 | 26 | 25 | 25 | 26 | 25 | 25 | 25 | 24 | 25 | 25 | 25 |
Feels °C | 30 | 27 | 28 | 28 | 27 | 26 | 27 | 27 | 27 | 27 | 26 | 27 | 28 | 26 | 26 | 25 | 27 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | ENE 7 | E 7 | E 7 | E 7 | E 12 | E 12 | E 11 | E 11 | E 7 | ENE 7 | E 7 | E 8 | ENE 8 | NNE 8 | NE 8 | E 16 | E 16 | E 16 | E 15 |
| kJ | 132 | 93 | 113 | 96 | 430 | 344 | 350 | 396 | 89 | 181 | 143 | 191 | 287 | 142 | 221 | 984 | 1226 | 1705 | 1759 |
Swell 2 Height (m) Direction Period (s) | E 12 | NE 7 | NE 7 | E 12 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 6 | E 10 | NNE 7 | E 16 | E 14 | ENE 8 | E 8 | NE 8 | NE 8 | NE 8 | NE 8 |
| kJ | 25 | 51 | 54 | 132 | 35 | 33 | 31 | 26 | 35 | 50 | 64 | 75 | 102 | 87 | 95 | 238 | 247 | 226 | 182 |
Swell 3 Height (m) Direction Period (s) | S 15 | E 11 | E 11 | NNE 7 | S 13 | SSE 16 | SE 15 | SSE 14 | ENE 11 | SSE 13 | ENE 10 | ENE 9 | ENE 9 | ESE 8 | E 17 | E 8 | E 7 | S 11 | SE 9 |
| kJ | 38 | 39 | 61 | 42 | 13 | 24 | 8 | 21 | 88 | 17 | 32 | 17 | 8 | 81 | 367 | 72 | 54 | 2 | 13 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | ENE 7 | — | — | NNE 7 | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | 220 | — | — | 75 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 0 | 168 | 178 | 82 | 170 | 93 | 170 | 170 | 5 | 5 | 5 | 5 | 5 | 5 | 172 | 0 | 99 | 99 | 94 |
Best forecast wave conditions in Big Island | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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Information about the Honolii Beach Park Surf forecast
The above surf forecast table for Honolii Beach Park provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Honolii Beach Park can be found by selecting the local surf guide option on the grey menu. Our Honolii Beach Park 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 (Honolii Beach Park) 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 Honolii Beach Park 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.
Honolii Beach Park is 4 km (2 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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