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Nanakuli Blackrocks Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Nanakuli Blackrocks surfForecast / HAW – Oahu / USA
12 Day Weather and Surf, issued 7 pm Tuesday 01 Jul 2025 HST
Best Forecast Surf Conditions for Nanakuli Blackrocks this week:
The surf forecast for Nanakuli Blackrocks over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jul 01) at 11PM. The primary swell is predicted to be 0.6m and 13s period. The wind is predicted to be offshore as the swell arrives.
The most powerful waves expected at Nanakuli Blackrocks in the next 12 days are 0.7m 15s and forecast to arrive on Friday (Jul 04) at 5AM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.5m 8s period and expected on Monday (Jul 07) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 11PM (Tue 1st Jul) | 2ft (0.6m) 13s |
| Best Surf | 2PM (Thu 3rd Jul) | 2ft (0.6m) 12s |
| Most Powerful | 5AM (Fri 4th Jul) | 2.5ft (0.7m) 15s |
Table - best surf conditions forecast for Nanakuli Blackrocks over the next 12 days.
Wednesday 02 | Thursday 03 | Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | Saturday 12 | Sun 13 | |||||||||||||||||||||||||
| 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 | AM | PM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||
Swell Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 14 | 14 | 14 | 18 | 18 | 16 | 16 | 16 | 16 | 15 | 15 | 19 | 17 | 17 | 17 | 16 | 16 | 16 | 13 | 15 | 13 | 13 | 12 | 16 | 15 | 14 | 12 | 14 | 14 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||
| Energy (?) | 121 | 117 | 117 | 155 | 195 | 213 | 100 | 247 | 315 | 231 | 286 | 284 | 186 | 198 | 174 | 149 | 107 | 98 | 199 | 133 | 103 | 249 | 181 | 244 | 167 | 216 | 228 | 87 | 82 | 158 | 118 | 135 | 126 | 46 | 76 | 48 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | cross- off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide / height (m) | 11:00AM 0.43 | 8:24PM 0.41 | 11:57AM 0.50 | 8:47PM 0.35 | 12:41PM 0.56 | 1:20PM 0.61 | 11:19PM 0.25 | 1:57PM 0.66 | 12:38AM 0.23 | 2:33PM 0.69 | 1:35AM 0.22 | 3:09PM 0.72 | 2:21AM 0.22 | 3:45PM 0.75 | 3:03AM 0.22 | 4:19PM 0.76 | 3:47AM 0.23 | 4:52PM 0.76 | 4:34AM 0.25 | 5:24PM 0.74 | 5:26AM 0.27 | 5:56PM 0.70 | ||||||||||||||
Low Tide / height (m) | 3:30AM 0.12 | 3:54PM 0.36 | 3:59AM 0.11 | 6:47PM 0.34 | 4:30AM 0.11 | 5:06AM 0.10 | 9:34PM 0.25 | 5:46AM 0.08 | 10:00PM 0.21 | 6:28AM 0.06 | 10:26PM 0.18 | 7:10AM 0.04 | 10:54PM 0.16 | 7:51AM 0.03 | 11:23PM 0.15 | 8:30AM 0.02 | 11:51PM 0.14 | 9:09AM 0.02 | 12:20AM 0.14 | 9:49AM 0.05 | 12:47AM 0.13 | 10:31AM 0.09 | ||||||||||||||
Wednesday 02 | Thursday 03 | Friday 04 | Saturday 05 | Sunday 06 | Monday 07 | Tuesday 08 | Wednesday 09 | Thursday 10 | Friday 11 | Saturday 12 | Sun 13 | |||||||||||||||||||||||||
| Sunrise | - | 5:54 | - | - | 5:54 | - | - | 5:54 | - | - | 5:54 | - | - | 5:54 | - | - | 5:56 | - | - | 5:56 | - | - | 5:56 | - | - | 5:56 | - | - | 5:56 | - | - | 5:56 | - | - | 5:58 | - |
| Sunset | - | - | 7:17 | - | - | 7:17 | - | - | 7:17 | - | - | 7:17 | - | - | 7:17 | - | - | 7:17 | - | - | 7:17 | - | - | 7:17 | - | - | 7:17 | - | - | 7:17 | - | - | 7:17 | - | - | 7:17 |
 |  |  | | |  |  | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Rain (mm) | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 26 | 27 | 25 | 26 | 27 | 25 | 25 | 27 | 24 | 26 | 27 | 24 | 26 | 27 | 25 | 26 | 27 | 24 | 26 | 27 | 25 | 27 | 27 | 25 | 26 | 27 | 24 | 26 | 27 | 25 | 26 | 27 | 24 | 26 | 27 |
| Feels °C (?) | 24 | 26 | 26 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 25 | 22 | 22 | 24 | 23 | 22 | 22 | 21 | 23 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 22 | 25 | 25 | 25 | 24 | 25 | 22 | 25 | 25 |
Short Range Forecast: Some drizzle, heaviest during Wed morning. Warm (max 27°C on Wed afternoon, min 24°C on Tue night). Wind will be generally light. | Days 3-6 Weather Summary Mostly dry. Warm (max 27°C on Sat afternoon, min 24°C on Fri night). Mainly fresh winds. | Days 6-9 Weather Summary Mostly dry. Warm (max 27°C on Tue afternoon, min 24°C on Mon night). Mainly fresh winds. | Long Range Forecast: Mostly dry. Warm (max 27°C on Fri afternoon, min 23°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
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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 Nanakuli Blackrocks 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 Nanakuli Blackrocks Surf forecast
The above surf forecast table for Nanakuli Blackrocks provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Nanakuli Blackrocks can be found by selecting the local surf guide option on the grey menu. Our Nanakuli Blackrocks 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 (Nanakuli Blackrocks) 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 Nanakuli Blackrocks 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.
Nanakuli Blackrocks is 6 km (4 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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