Surf Forecasts:
Sixtynine surf forecast from 9 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★+): Friday 10 Jul, 11PM (local time) - 1.5ft (0.4m), 15s 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 Friday (Jul 10) at 11PM. The primary swell is predicted to be 0.4m and 15s period. The wind is predicted to be cross-offshore 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 cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.1m 7s period and expected on Thursday (Jul 09) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Fri 10th Jul) | 1.5ft (0.4m) 15s |
| 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.
Alright, Rusty here. Let’s have a good look at what’s coming our way for the next couple of weeks.
Honestly, I’ve gotta be straight with you – this stretch is a tough one. We’re looking at a long, dry spell with barely a ripple for most of the 16 days. The first real surf we see is on Thursday, July 10th, but it’s tiny and weak, with a cross-shore wind that’s not going to do us any favours. That energy is sitting at a measly (31) – there’s just nothing to get excited about.
The whole first week is a grind. The swell is small, the period is all over the place, and the wind is mostly cross or cross-on. Saturday the 12th afternoon sees a bit of a pulse from the SW with a combined energy of (117), but it’s still only 1ft and the wind is cross-off. It’s not terrible, but it’s not good.
The first real standout comes on Tuesday, July 15th in the afternoon. The wind goes glassy, right out of the WNW, and we get a 3ft swell from the same direction. The period is a healthy 16 seconds – that’s proper groundswell energy. The combined energy hits (306), and the conditions are clean. For a point break that likes a bit of west in the swell, this is the best window. It’s not big, but it’ll be shaped and smooth. You’ll want to be on it.
Wednesday the 16th afternoon is also worth a look. Again, glassy conditions, 3ft from the west, 15-second period, energy at (279). It’s a repeat of the good stuff. The water is sitting at 80°, which is a touch warmer than normal for this time of year – you’ll be comfortable in a shorty.
After that, the swell backs right off. The weekend of the 19th and 20th is tiny, and by the 21st, there’s literally no swell showing. The energy drops to zero. The last few days of the window are flat with only a whisper of a WNW swell on the 23rd and 24th, but it’s only 0.7ft. Not worth paddling out for.
So, the best bet is Tuesday afternoon, July 15th, and Wednesday afternoon, July 16th at Sixtynine. Clean, glassy, and that long-period west swell will give you some nice long lines. It’s a consistent spot, so you’ll get waves. Just don’t expect it to be big – it’s a mellow session for the intermediate crew.
Rusty.
Short Range ForecastMostly dry. Warm (max 29°C on Thu afternoon, min 25°C on Thu night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 28°C on Sun morning, min 24°C on Sun night). Wind will be generally light. | ||||||||||||||||||||
Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tuesday 14 | Wednesday 15 | |||||||||||||||
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) | W 15 | W 14 | N 7 | W 13 | W 14 | W 13 | W 14 | W 14 | W 13 | W 13 | SW 16 | SW 16 | SW 15 | W 12 | W 18 | W 19 | W 16 | W 17 | W 16 | W 16 | W 15 |
Wave Graph  | |||||||||||||||||||||
 kJ | 17 | 16 | 21 | 31 | 37 | 29 | 61 | 64 | 55 | 30 | 89 | 86 | 78 | 26 | 162 | 251 | 198 | 273 | 310 | 306 | 291 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-off | cross | cross | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross | cross | glassy | cross | glassy | cross-off | on | glassy | glassy |
High Tide | 12:37PM0.68m | 11:22PM0.25m | 1:30PM0.77m | 00:46AM0.21m | 2:20PM0.83m | 1:57AM0.20m | 3:08PM0.87m | 2:58AM0.21m | 3:55PM0.89m | 3:53AM0.23m | 4:39PM0.88m | 4:46AM0.27m | 5:20PM0.84m | ||||||||
Low Tide | 7:57PM0.20m | 5:37AM-0.06m | 9:02PM0.12m | 6:31AM-0.08m | 9:51PM0.07m | 7:27AM-0.10m | 10:33PM0.03m | 8:21AM-0.11m | 11:13PM0.01m | 9:14AM-0.10m | 11:51PM-0.00m | 10:05AM-0.07m | 00:27AM-0.01m | ||||||||
 |  |  | | |  | | | | | | | | | | | | | | | | |
 | 5:50 | — | — | 5:50 | — | — | 5:50 | — | — | 5:50 | — | — | 5:50 | — | — | 5:52 | — | — | 5:52 | — | — |
 | — | 7:06 | — | — | 7:06 | — | — | 7:06 | — | — | 7:06 | — | — | 7:06 | — | — | 7:06 | — | — | 7:06 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 28 | 29 | 26 | 28 | 27 | 26 | 27 | 27 | 26 | 28 | 27 | 25 | 26 | 27 | 25 | 27 | 28 | 25 | 27 | 27 | 26 |
Feels °C | 30 | 32 | 29 | 30 | 29 | 28 | 27 | 27 | 27 | 29 | 29 | 26 | 27 | 28 | 26 | 28 | 30 | 28 | 28 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | NE 7 | NE 7 | NE 6 | NNE 6 | NNE 6 | NNE 6 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 8 | NNE 8 | NNE 8 | NNE 7 | NNE 7 | NNE 7 | NNE 7 | NNE 8 | NNE 7 | NE 7 | NE 7 |
| kJ | 104 | 112 | 29 | 67 | 67 | 65 | 73 | 96 | 75 | 104 | 138 | 119 | 117 | 90 | 59 | 59 | 83 | 64 | 93 | 93 | 69 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | N 7 | W 13 | W 14 | W 13 | NE 7 | W 14 | SW 17 | SW 16 | SW 16 | SW 16 | SW 15 | SW 14 | W 18 | W 19 | W 16 | W 17 | W 16 | W 16 | W 15 |
| kJ | 16 | 16 | 21 | 31 | 37 | 29 | 23 | 64 | 77 | 66 | 89 | 86 | 78 | 54 | 162 | 251 | 198 | 273 | 310 | 306 | 291 |
Swell 3 Height (m) Direction Period (s) | W 15 | W 14 | NE 7 | SSW 12 | SSW 12 | W 16 | W 14 | SW 18 | W 13 | W 13 | W 13 | W 12 | W 12 | W 12 | SW 14 | SW 14 | SW 13 | SW 13 | SW 13 | SW 14 | SW 16 |
| kJ | 17 | 16 | 14 | 14 | 14 | 19 | 61 | 79 | 55 | 30 | 28 | 26 | 26 | 26 | 51 | 47 | 46 | 44 | 43 | 50 | 64 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 29 | 88 | 29 | 88 | 41 | 38 | 29 | 38 | 5 | 5 | 5 | 0 | 5 | 5 | 0 | 3 | 0 | 0 | 5 | 0 | 0 |
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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