Surf Forecasts:
Honolii Beach Park surf forecast from 13 Aug 2026:
- Best quality surf: Saturday 15 Aug, 11PM (local time) - 8ft (2.4m), 9s period, E swell with offshore winds.
- Most powerful swell: Saturday 15 Aug, 2AM (local time) - 13ft (4.0m), 10s period, E swell with 3,130 kJ wave energy.
- Next surfable swell (1★+): Saturday 15 Aug, 11PM (local time) - 8ft (2.4m), 9s period with E 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 Saturday (Aug 15) at 11PM. The primary swell is predicted to be 2.4m and 9s period with a secondary swell of 0.1m and 9s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Honolii Beach Park in the next 16 days are 4.0m 10s and forecast to arrive on Saturday (Aug 15) at 2AM. Winds are predicted to be onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.5m 10s period and expected on Saturday (Aug 15) at 8AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Sat 15th Aug) | 8ft (2.4m) 9s |
| Best Surf | 11PM (Sat 15th Aug) | 8ft (2.4m) 9s |
| Most Powerful | 2AM (Sat 15th Aug) | 13ft (4.0m) 10s |
Table - best surf conditions forecast for Honolii Beach Park over the next 16 days.
The Lowdown
Alright, let’s break it down in feet and miles per hour.
So, we’re talking about Honolii Beach Park, a river mouth on the Big Island. I’m not gonna sugarcoat it—this 16-day stretch is a tough one. The winds and weather just aren’t cooperating for most of it.
The ocean temperature is about what you’d expect for this time of year, nothing unusual.
Starting off, Thursday the 13th and Friday the 14th are junk. Onshore breeze, poor surf, and the combined swell energy is a weak 294. Saturday the 15th is a mess, with stormy conditions and a strong cross-onshore wind. That 12ft east swell is chunky, but with a 10-second period and that wind, it’s blown out. The combined energy hits 2541, but it’s not paddleable. That setup looks way better for kite surfers than anyone with a surfboard.
Here’s the one bright spot: Sunday the 16th. The wind swings cross-offshore from the SSE with a gentle breeze, and it’s forecast as *clean*. You’ve got a 7ft swell from the ENE at a short 8-second period. The combined energy sits at a moderate 497. That shorter period works in your favor at a river mouth, keeping the waves from getting too walled-up. This is the day. Sunday morning and afternoon are your best shot for clean, surfable waves across the whole forecast.
From Monday the 17th all the way through to Thursday the 28th, it’s a long dry spell. Winds stay onshore or cross-onshore, the swell drops right off, and the combined energy goes into the basement. By the 19th, the waves are barely 3ft with periods as short as 6 seconds, and energy readings under 100. It’s a flat run. For this spot, when the trade winds lock in and the swell windows close, a blank period like this is pretty normal. It won't stay this poor forever, but for now, it’s a waiting game.
A little pulse shows up on the 24th and 25th—around 5ft east swell—but the onshore wind is still there. The combined energy climbs back into the low 200s, but the quality just isn’t there.
Your call: if you want a wave, Sunday the 16th is it. Clean conditions, decent size for the spot, and a break from the wind. The rest is a whole lot of nothing.
Rusty.
Short Range ForecastHeavy rain (total 82mm), heaviest during Sat morning. Warm (max 27°C on Thu morning, min 24°C on Sat afternoon). Wind will be generally light. | Days 5-7 Weather SummaryHeavy rain (total 69mm), heaviest during Sat night. Warm (max 26°C on Sun afternoon, min 24°C on Sat night). Wind will be generally light. | ||||||||||||||||||
Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | ||||||||||||||
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) | E 8 | E 8 | ENE 8 | ENE 8 | NE 9 | E 11 | E 10 | E 10 | E 9 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 258 | 294 | 392 | 534 | 249 | 1830 | 3130 | 2541 | 1190 | 754 | 497 | 427 | 283 | 244 | 244 | 191 | 191 | 127 | 130 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | on | on | cross-on | cross-on | on | on | cross-on | cross | off | cross-off | cross-off | cross-off | cross-on | cross-on | cross-on | on | on | glassy |
High Tide | 3:17AM0.56m | 4:01PM0.91m | 4:03AM0.60m | 4:31PM0.84m | 4:50AM0.62m | 4:58PM0.76m | 5:39AM0.62m | 5:21PM0.67m | 6:33AM0.62m | 5:41PM0.58m | 7:37AM0.61m | 5:52PM0.50m | |||||||
Low Tide | 9:58PM0.10m | 9:14AM-0.08m | 10:28PM0.07m | 9:56AM-0.00m | 10:58PM0.06m | 10:39AM0.09m | 11:27PM0.05m | 11:22AM0.20m | 11:56PM0.06m | 12:12PM0.30m | 00:27AM0.07m | 1:21PM0.39m | 1:03AM0.10m | ||||||
 |  | |  |  |  |  |  | |  |  | | |  | |  | | | | |
 | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 6:00 | — | — | 6:01 | — | — | 6:01 | — | — |
 | 6:50 | — | 6:50 | — | — | 6:49 | — | — | 6:47 | — | — | 6:47 | — | — | 6:46 | — | — | 6:45 | — |
mm | 1 | — | — | — | 1 | 4 | 35 | 25 | 16 | 25 | 13 | 5 | 10 | 8 | 5 | 3 | — | — | — |
Temp °C | 26 | 27 | 27 | 26 | 26 | 26 | 27 | 26 | 26 | 25 | 24 | 26 | 25 | 25 | 26 | 25 | 25 | 25 | 25 |
Feels °C | 28 | 27 | 27 | 27 | 27 | 27 | 29 | 27 | 27 | 27 | 26 | 28 | 27 | 27 | 29 | 27 | 28 | 27 | 29 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 8 | ENE 8 | ENE 8 | E 11 | E 11 | E 10 | E 10 | E 9 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 |
| kJ | 258 | 294 | 392 | 534 | 804 | 1830 | 2389 | 2541 | 1190 | 754 | 497 | 427 | 283 | 244 | 244 | 191 | 191 | 127 | 130 |
Swell 2 Height (m) Direction Period (s) | S 16 | S 15 | S 15 | SE 12 | S 15 | S 14 | S 13 | S 16 | SE 11 | SE 11 | SE 11 | SE 10 | SE 11 | SE 11 | SE 11 | SE 10 | SE 10 | NE 7 | NE 7 |
| kJ | 5 | 18 | 4 | 6 | 4 | 4 | 4 | 5 | 63 | 20 | 20 | 17 | 18 | 29 | 29 | 16 | 15 | 37 | 42 |
Swell 3 Height (m) Direction Period (s) | SE 13 | — | — | S 16 | NW 8 | — | — | S 13 | N 9 | S 18 | S 16 | S 16 | S 15 | E 9 | N 8 | N 8 | N 7 | SE 10 | SE 10 |
| kJ | 6 | — | — | 5 | 2 | — | — | 3 | 2 | 6 | 5 | 5 | 4 | 6 | 1 | 1 | 1 | 15 | 14 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NE 9 | — | E 10 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | 249 | — | 3130 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 3 | 110 | 94 | 3 | 99 | 93 | 93 | 178 | 94 | 0 | 2 | 3 | 0 | 3 | 5 | 5 | 5 | 172 | 0 |
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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