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Turtles Reef surfForecast / HAW – Oahu / USA
12 Day Weather and Surf, issued 7 am Tuesday 15 Jul 2025 HST
Best Forecast Surf Conditions for Turtles Reef this week:
The surf forecast for Turtles Reef over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jul 15) at 2PM. The primary swell is predicted to be 0.5m and 15s period with a secondary swell of 0.6m and 11s. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Turtles Reef in the next 12 days are 0.7m 16s and forecast to arrive on Saturday (Jul 19) at 2PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.6m 7s period and expected on Wednesday (Jul 16) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2PM (Tue 15th Jul) | 1.5ft (0.5m) 15s |
| Best Surf | 5PM (Sat 19th Jul) | 2.5ft (0.7m) 15s |
| Most Powerful | 2PM (Sat 19th Jul) | 2.5ft (0.7m) 16s |
Table - best surf conditions forecast for Turtles Reef over the next 12 days.
Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | |||||||||||||||||||||||||
| AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 15 | 14 | 10 | 13 | 13 | 13 | 12 | 12 | 10 | 6 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 8 | 13 | 13 | 9 | 8 | 8 | 14 | 19 | 19 | 10 | 17 | 18 | 18 | 10 | 10 | 16 | 16 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 187 | 175 | 127 | 128 | 105 | 92 | 86 | 87 | 24 | 15 | 234 | 229 | 175 | 284 | 322 | 254 | 241 | 82 | 177 | 176 | 123 | 64 | 72 | 167 | 210 | 329 | 275 | 278 | 282 | 254 | 218 | 194 | 169 | 167 | 162 | 156 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | off | off | off | off | off | off | off | off | off | off | off | cross- off | off | off | cross- off | off | off | off | off | off | off | off | off | off | off | off | cross- off | off | off | cross- off | off | off | cross- off | cross- off | off |
High Tide / height (m) | 6:56PM 0.57 | 8:53AM 0.42 | 7:25PM 0.49 | 10:13AM 0.50 | 7:54PM 0.40 | 11:24AM 0.58 | 8:24PM 0.32 | 12:25PM 0.66 | 9:53PM 0.25 | 1:18PM 0.72 | 12:00AM 0.22 | 2:06PM 0.77 | 1:20AM 0.21 | 2:51PM 0.79 | 2:20AM 0.22 | 3:32PM 0.80 | 3:10AM 0.24 | 4:10PM 0.79 | 3:58AM 0.27 | 4:45PM 0.75 | 4:45AM 0.30 | 5:17PM 0.70 | ||||||||||||||
Low Tide / height (m) | 12:19PM 0.23 | 2:09AM 0.09 | 1:44PM 0.31 | 2:41AM 0.08 | 3:59PM 0.35 | 3:19AM 0.07 | 7:10PM 0.32 | 4:05AM 0.05 | 9:06PM 4:58AM 0.25 0.04 | 9:31PM 0.20 | 5:56AM 0.02 | 10:01PM 0.16 | 6:52AM 0.01 | 10:31PM 0.14 | 7:45AM 0.00 | 11:00PM 0.13 | 8:34AM 0.00 | 11:29PM 0.12 | 9:19AM 0.03 | 11:56PM 0.12 | 10:03AM 0.07 | 12:21AM 0.12 | ||||||||||||||
Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Monday 21 | Tuesday 22 | Wednesday 23 | Thursday 24 | Friday 25 | Saturday 26 | |||||||||||||||||||||||||
| Sunrise | 5:58 | - | - | 5:58 | - | - | 5:58 | - | - | 6:00 | - | - | 6:00 | - | - | 6:01 | - | - | 6:01 | - | - | 6:01 | - | - | 6:01 | - | - | 6:01 | - | - | 6:03 | - | - | 6:03 | - | - |
| Sunset | - | 7:16 | - | - | 7:16 | - | - | 7:16 | - | - | 7:16 | - | - | 7:15 | - | - | 7:15 | - | - | 7:15 | - | - | 7:15 | - | - | 7:15 | - | - | 7:15 | - | - | 7:14 | - | - | 7:14 | - |
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Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 27 | 28 | 25 | 27 | 27 | 25 | 27 | 28 | 25 | 27 | 28 | 25 | 27 | 27 | 25 | 27 | 27 | 25 | 26 | 28 | 25 | 27 | 27 | 25 | 27 | 28 | 25 | 27 | 27 | 25 | 26 | 26 | 25 | 26 | 26 | 25 |
| Feels °C (?) | 27 | 28 | 24 | 25 | 25 | 23 | 24 | 26 | 25 | 26 | 26 | 24 | 27 | 27 | 24 | 28 | 27 | 25 | 26 | 27 | 24 | 25 | 24 | 24 | 25 | 26 | 25 | 26 | 26 | 25 | 27 | 27 | 26 | 29 | 28 | 26 |
Short Range Forecast: Mostly dry. Warm (max 28°C on Tue afternoon, min 24°C on Thu night). Wind will be generally light. | Days 3-6 Weather Summary Mostly dry. Warm (max 28°C on Fri afternoon, min 24°C on Fri night). Wind will be generally light. | Days 6-9 Weather Summary Mostly dry. Warm (max 28°C on Mon afternoon, min 24°C on Tue night). Mainly fresh winds. | Long Range Forecast: Mostly dry. Warm (max 27°C on Thu morning, min 23°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for HAW - Oahu
Continuing clean conditions at Turtles Reef (light winds from the NE at Kalaeloa Airport 7 km from Turtles Reef). 0.6m 9s swell from the SE with a 0.6m 9s swell from the SE and a 0.4m 15s groundswell from the S as well as a 0.3m 11s groundswell from the SSW. Swells combining to make to make bigger set waves.
2 h 1 min ago
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 Turtles Reef 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 Turtles Reef Surf forecast
The above surf forecast table for Turtles Reef provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Turtles Reef can be found by selecting the local surf guide option on the grey menu. Our Turtles Reef 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 (Turtles Reef) 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 Turtles Reef 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.
Turtles Reef is 4 km (2 miles) from Makakilo City. If you plan a vacation in Oahu, look for hotels and other accommodation in Makakilo City. Makakilo City has rooms for a wide range of budgets as well as car hire and transport links.
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