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Sixtynine Surf Forecast
/ HAW – Big Island (60 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Sixtynine surfForecast / HAW – Big Island / USA
16 Day Weather and Surf, issued 1 pm Sunday 17 May 2026 HSTForecast update in hr min s Forecast update imminent
Sixtynine surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sixtynine sea temperature is
25.9° C
(Which is slightly warmer than usual)Best Forecast Surf Conditions for Sixtynine this week:
The most powerful waves expected at Sixtynine in the next 16 days are 0.3m 19s and forecast to arrive on Monday (May 18) at 2PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 8s period and expected on Thursday (May 21) at 11PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 2PM (Mon 18th May) | 1ft (0.3m) 19s |
Table - best surf conditions forecast for Sixtynine over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 5mm), mostly falling on Sun afternoon. Warm (max 27°C on Sun afternoon, min 24°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryMostly dry. Warm (max 27°C on Wed afternoon, min 22°C on Fri night). Wind will be generally light. | ||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wednesday 20 | Thursday 21 | Friday 22 | Saturday 23 | |||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | |
Swell Height Map |  |  |  |  |  |  |  |  | |||||||||||||
SW 14 | SW 14 | NE 6 | NE 6 | SSW 16 | NE 6 | NE 6 | SSW 14 | NE 6 | NNW 12 | NE 9 | N 11 | SW 12 | N 10 | N 11 | NW 10 | NW 10 | NE 9 | NW 11 | NW 10 | N 14 | |
32 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 2 | 6 | 2 | 2 | 4 | 4 | 0 | 5 | 4 | 4 | |
Wind (km/h) | |||||||||||||||||||||
on | cross-off | cross-on | glassy | cross-off | cross-on | cross | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 5:03PM0.88m | 4:56AM0.21m | 5:53PM0.86m | 5:55AM0.19m | 6:45PM0.82m | 7:04AM0.19m | 7:40PM0.76m | 8:29AM0.21m | 8:36PM0.69m | 10:01AM0.26m | 9:31PM0.62m | 11:21AM0.34m | 10:25PM0.55m | 12:21PM0.44m | |||||||
Low Tide | 00:26AM0.02m | 10:16AM-0.08m | 1:26AM0.02m | 11:03AM-0.04m | 2:26AM0.03m | 11:55AM0.01m | 3:24AM0.03m | 12:58PM0.09m | 4:17AM0.03m | 2:19PM0.16m | 5:00AM0.02m | 3:58PM0.22m | 5:37AM0.02m | ||||||||
 |  |  |  |  |  | | | | | | | | | | | | | | | | |
 | — | — | 5:46 | — | — | 5:46 | — | — | 5:45 | — | — | 5:45 | — | — | 5:45 | — | — | 5:43 | — | — | 5:43 |
 | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:53 | — | — | 6:53 | — | — | 6:54 | — | — | 6:54 | — | 6:54 |
1 | — | — | 2 | — | — | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 27 | 26 | 27 | 27 | 25 | 27 | 27 | 25 | 27 | 27 | 24 | 26 | 26 | 24 | 25 | 25 | 23 | 25 | 25 | 22 | 25 |
29 | 30 | 30 | 30 | 28 | 30 | 30 | 27 | 28 | 29 | 24 | 25 | 25 | 23 | 24 | 22 | 22 | 24 | 24 | 21 | 24 | |
Swell 1 Height (m) Direction Period (s) | NE 8 | NE 7 | NE 6 | NE 6 | NNE 5 | NE 6 | NE 6 | NNE 5 | NE 6 | NE 8 | NE 9 | SSW 13 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | S 16 | NE 9 | NE 9 | NE 9 | NE 9 |
 kJ | 75 | 84 | 46 | 54 | 15 | 31 | 31 | 17 | 39 | 53 | 36 | 16 | 22 | 21 | 20 | 18 | 21 | 174 | 189 | 182 | 178 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | SSW 19 | ENE 8 | NE 7 | NE 7 | NE 7 | NE 8 | NE 8 | SSW 13 | NNE 6 | S 16 | SW 12 | S 12 | S 18 | S 18 | SSW 13 | S 16 | SSW 15 | SSW 14 | S 14 |
| kJ | 32 | 30 | 37 | 6 | 13 | 14 | 12 | 30 | 24 | 18 | 4 | 5 | 6 | 3 | 6 | 6 | 17 | 20 | 23 | 21 | 15 |
Swell 3 Height (m) Direction Period (s) | SSW 21 | S 14 | SSW 13 | SSW 13 | SSW 16 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | NNW 12 | SSW 16 | N 11 | N 10 | N 10 | N 11 | NW 10 | NW 10 | SSW 13 | NW 11 | NW 10 | N 14 |
| kJ | 45 | 4 | 17 | 17 | 25 | 20 | 20 | 41 | 20 | 14 | 26 | 2 | 2 | 2 | 2 | 4 | 4 | 17 | 5 | 4 | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | NE 6 | NE 5 | NE 8 | NE 8 | NE 8 | NE 8 | NE 8 | NE 9 | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | 47 | 41 | 151 | 158 | 211 | 167 | 151 | 226 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 5 | 57 | 94 | 57 | 38 | 94 | 44 | 38 | 94 | 38 | 42 | 105 | 39 | 29 | 38 | 38 | 41 | 29 | 29 | 29 | 29 |
Best forecast wave conditions in Big Island | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Sixtynine surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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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