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Nanakuli Blackrocks Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Nanakuli Blackrocks surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 pm Friday 14 Mar 2025 HST
How big are the waves at Nanakuli Blackrocks today?
The current surf forecast for Nanakuli Blackrocks at 6PM is: 1.2m 16s primary swell from a Northwest direction (forecast issued at 01:00pm March 14). An open ocean swell of 1.2m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (14 Mar) | 3.5ft (1.1m) | 17s |
| Afternoon (14 Mar) | 4ft (1.2m) | 16s |
| Evening (14 Mar) | 4ft (1.2m) | 15s |
Table - waves today at Nanakuli Blackrocks. (Swell directed towards the surf break)
Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | |
Rating (10 max) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Swell Height Map |    |    |    |    |    |    |    |    | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Period(s) (?) | 17 | 16 | 16 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 13 | 13 | 11 | 11 | 11 | 11 | 11 | 7 | 6 | 10 | 10 | 10 | 10 | 18 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 14 | 14 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 21 | 20 | 20 | 19 | 18 | 18 | 18 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 735 | 767 | 748 | 684 | 695 | 623 | 590 | 565 | 573 | 499 | 451 | 386 | 330 | 325 | 256 | 244 | 240 | 209 | 202 | 163 | 126 | 123 | 384 | 411 | 331 | 314 | 314 | 320 | 273 | 29 | 23 | 180 | 177 | 173 | 141 | 152 | 214 | 366 | 348 | 375 | 479 | 466 | 453 | 382 | 355 | 345 | 290 | 242 | 239 | 228 | 210 | 172 | 282 | 384 | 380 | 520 | 804 | 702 | 781 | 931 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | off | off | off | off | glass | cross- on | cross | cross- off | off | off | off | off | cross- off | cross | glass | off | off | off | off | glass | cross- on | glass | glass | off | off | off | off | off | off | off | off | off | off | 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) | 4:20PM 0.51 | 4:15AM 0.52 | 4:53PM 0.54 | 4:36AM 0.46 | 5:27PM 0.56 | 4:55AM 0.40 | 6:05PM 0.57 | 5:08AM 0.35 | 6:48PM 0.56 | 5:09AM 0.31 | 7:44PM 0.55 | 9:00PM 0.55 | ||||||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 10:13AM 0.10 | 10:16PM 0.15 | 10:29AM 0.10 | 10:59PM 0.18 | 10:45AM 0.10 | 11:45PM 0.21 | 11:01AM 0.10 | 12:38AM 0.25 | 11:18AM 0.10 | 1:53AM 0.28 | 11:38AM 0.11 | 12:01PM 0.12 | 12:36PM 0.13 | |||||||||||||||||||||||||||||||||||||||||||||||
Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:41 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:39 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:35 | - | - | - | - | - | - | - | 6:35 | - | - | - | - |
| Sunset | - | - | 6:40 | - | - | - | - | - | - | - | 6:40 | - | - | - | - | - | - | - | 6:42 | - | - | - | - | - | - | - | 6:42 | - | - | - | - | - | - | - | 6:42 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:43 | - | - | - | - | - | - | - | 6:43 | - |
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Rain (mm) | - | - | - | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | - | 1 | - | - | - | - | - | - | 1 | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 26 | 25 | 24 | 23 | 22 | 22 | 22 | 24 | 24 | 24 | 23 | 23 | 22 | 22 | 22 | 23 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 22 | 22 | 22 | 22 | 24 | 25 | 24 | 23 | 22 | 22 | 22 | 23 | 24 | 25 | 24 | 23 | 22 | 22 | 22 | 22 | 24 | 24 | 24 | 23 |
| Feels °C (?) | 23 | 25 | 25 | 25 | 24 | 23 | 23 | 24 | 26 | 25 | 25 | 24 | 23 | 22 | 23 | 23 | 24 | 25 | 26 | 24 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 24 | 23 | 23 | 22 | 22 | 22 | 23 | 22 | 21 | 20 | 19 | 19 | 19 | 20 | 21 | 21 | 21 | 19 | 20 | 20 | 21 | 21 | 22 | 22 | 21 | 20 | 20 | 19 | 20 | 21 | 21 | 22 | 21 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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