Surf Forecasts:
Sixtynine surf forecast from 15 Jul 2026:
- Best quality surf: Tuesday 14 Jul, 11PM (local time) - 2.5ft (0.7m), 17s period, W swell with glassy winds.
- Most powerful swell: Wednesday 15 Jul, 8AM (local time) - 2.5ft (0.8m), 16s period, W swell with 314 kJ wave energy.
- Next surfable swell (1★+): Tuesday 14 Jul, 11PM (local time) - 2.5ft (0.7m), 17s period with W swell.
Best Forecast Surf Conditions for Sixtynine this week:
The surf forecast for Sixtynine over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jul 14) at 11PM. The primary swell is predicted to be 0.7m and 17s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Sixtynine in the next 16 days are 0.8m 16s and forecast to arrive on Wednesday (Jul 15) at 8AM. 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 7s period and expected on Thursday (Jul 16) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Tue 14th Jul) | 2.5ft (0.7m) 17s |
| Best Surf | 11PM (Tue 14th Jul) | 2.5ft (0.7m) 17s |
| Most Powerful | 8AM (Wed 15th Jul) | 2.5ft (0.8m) 16s |
Table - best surf conditions forecast for Sixtynine over the next 16 days.
The Lowdown
Alright, Rusty here. Let’s talk about the 16-day outlook for this spot.
Honestly, it’s a tough one. We’ve got a tiny scrap of decent surf right at the start, and then a whole lot of flatness. If you’re itching to get wet, make it Tuesday 14 July.
The only real standout is Sixtynine. It’s a consistent intermediate break that’s fairly exposed. On Tuesday afternoon, there’s a clean 2ft swell from the W, with a very long period of 16 seconds. That’s proper groundswell. The combined energy is moderate at 267. The wind is dead glassy from the west at just 3 mph, so it’ll be mirror-smooth. Water temp is 80°, which is about average for this time of year. That long period will wrap in nicely, but at a beach break, it can be a bit straight. Still, with the glassy conditions, this is the best we’ve got.
Wednesday 15 July is a mixed bag. Morning has a 3ft swell from the W, but a light cross-onshore from the NW at 6 mph will mess up the surface. The afternoon cleans up with glassy wind from the WNW at 3 mph, and the same 3ft, 15-second swell. It’s okay, but not a standout.
From Thursday 16 July onward, it’s a slow bleed into nothing. The wave energy drops hard—by Saturday 18 July, the combined energy is only 89. We’re talking tiny waves under 2ft for over a week. There’s a massive gap with no real surf from about 18 July all the way through to 29 July.
There’s a tiny bump on 27 July with a 2ft, 11-second swell from the W, but it’s still poor. The whole setup looks more interesting for a kite than a paddle.
Crowds won’t be an issue because nobody will be out. It’s a long dry spell, and for this area, that’s just how it goes sometimes.
Rusty.
Short Range ForecastLight rain (total 4mm), mostly falling on Tue night. Warm (max 28°C on Thu morning, min 24°C on Tue night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 28°C on Fri afternoon, min 24°C on Sat night). Wind will be generally light. | ||||||||||||||||||||
Tue 14 | Wednesday 15 | Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | W 16 | W 17 | W 16 | W 15 | W 15 | W 15 | W 15 | W 14 | W 14 | W 14 | W 14 | W 13 | W 13 | W 13 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | W 11 |
Wave Graph  | |||||||||||||||||||||
 kJ | 267 | 270 | 310 | 302 | 287 | 275 | 272 | 206 | 203 | 146 | 138 | 89 | 87 | 87 | 50 | 29 | 29 | 27 | 26 | 13 | 9 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | glassy | glassy | cross-on | glassy | glassy | on | cross-on | cross-off | cross-on | glassy | cross-off | glassy | cross | cross-off | cross | glassy | cross-off | on | glassy | glassy | cross-on |
High Tide | 4:39PM0.88m | 4:46AM0.27m | 5:20PM0.84m | 5:38AM0.30m | 6:00PM0.78m | 6:33AM0.35m | 6:36PM0.70m | 7:32AM0.39m | 7:10PM0.61m | 8:35AM0.44m | 7:42PM0.51m | 9:42AM0.48m | 8:14PM0.41m | 10:49AM0.54m | |||||||
Low Tide | 11:51PM-0.00m | 10:05AM-0.07m | 00:27AM-0.01m | 10:55AM-0.02m | 1:02AM-0.00m | 11:47AM0.06m | 1:35AM0.00m | 12:43PM0.14m | 2:07AM0.01m | 1:51PM0.22m | 2:39AM0.02m | 3:21PM0.28m | 3:12AM0.03m | ||||||||
 |  |  | |  | | |  | | | | | | | | | | | | | | |
 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:52 | — | — | 5:54 | — | — | 5:54 | — | — | 5:54 |
 | 7:06 | — | — | 7:06 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:05 | — | — | 7:04 | — | 7:04 |
mm | — | 4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 25 | 27 | 27 | 25 | 28 | 27 | 26 | 28 | 28 | 26 | 28 | 28 | 26 | 27 | 28 | 25 | 27 | 27 | 26 | 27 |
Feels °C | 29 | 29 | 29 | 29 | 28 | 30 | 30 | 29 | 31 | 31 | 29 | 31 | 30 | 27 | 28 | 30 | 28 | 29 | 29 | 29 | 28 |
Swell 1 Height (m) Direction Period (s) | NNE 7 | NNE 8 | W 16 | NNE 7 | W 15 | W 15 | NNE 7 | W 14 | W 14 | W 14 | NNE 7 | NE 6 | NE 6 | NNE 8 | NNE 5 | NNE 6 | NE 6 | NNE 7 | NE 7 | NNE 7 | NE 7 |
| kJ | 62 | 64 | 310 | 83 | 287 | 275 | 93 | 206 | 203 | 146 | 41 | 18 | 31 | 74 | 17 | 52 | 42 | 44 | 46 | 32 | 37 |
Swell 2 Height (m) Direction Period (s) | W 16 | W 17 | NNE 7 | W 15 | NNE 7 | NNE 7 | W 15 | NNE 7 | NNE 7 | SSW 11 | W 14 | W 13 | N 7 | W 13 | NE 7 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | WNW 12 | SSW 12 |
| kJ | 267 | 270 | 48 | 302 | 62 | 68 | 272 | 42 | 26 | 12 | 138 | 89 | 26 | 87 | 24 | 29 | 29 | 27 | 26 | 13 | 14 |
Swell 3 Height (m) Direction Period (s) | SW 13 | SW 13 | SW 13 | SW 14 | SW 16 | SW 13 | SW 17 | SW 14 | NE 5 | SSW 16 | SSW 15 | N 7 | W 13 | SSW 12 | WNW 12 | SW 11 | SSW 12 | SSW 11 | SW 18 | SSW 11 | W 11 |
| kJ | 46 | 44 | 43 | 49 | 63 | 26 | 75 | 52 | 10 | 25 | 21 | 24 | 87 | 15 | 50 | 5 | 13 | 12 | 12 | 12 | 9 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NNE 7 | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 59 | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 0 | 0 | 5 | 0 | 0 | 5 | 3 | 0 | 5 | 0 | 0 | 0 | 5 | 0 | 94 | 94 | 41 | 88 | 43 | 41 | 92 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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Information about the Sixtynine Surf forecast
The above surf forecast table for Sixtynine provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Sixtynine can be found by selecting the local surf guide option on the grey menu. Our Sixtynine 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 (Sixtynine) 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 Sixtynine 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.
Sixtynine is 84 km (52 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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