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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 Wednesday 30 Apr 2025 HST
How big are the waves at Nanakuli Blackrocks today?
The current surf forecast for Nanakuli Blackrocks at 5PM is: 0.6m 19s primary swell from a South direction (forecast issued at 01:00pm April 30). An open ocean swell of 0.6m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Apr) | 2ft (0.6m) | 20s |
| Afternoon (30 Apr) | 2.5ft (0.7m) | 19s |
| Evening (30 Apr) | 2.5ft (0.8m) | 18s |
Table - waves today at Nanakuli Blackrocks. (Swell directed towards the surf break)
Wednesday 30 | Thursday 01 | Friday 02 | Saturday 03 | Sunday 04 | Monday 05 | Tuesday 06 | Wednesday 07 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| 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) (?) | 20 | 19 | 19 | 18 | 18 | 18 | 17 | 16 | 16 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 18 | 11 | 11 | 11 | 11 | 16 | 16 | 16 | 16 | 10 | 10 | 10 | 15 | 15 | 10 | 12 | 11 | 11 | 11 | 7 | 14 | 13 | 14 | 12 | 13 | 13 | 13 | 12 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Energy (?) | 373 | 369 | 262 | 311 | 504 | 498 | 448 | 539 | 519 | 584 | 561 | 612 | 553 | 528 | 437 | 403 | 384 | 378 | 347 | 313 | 302 | 261 | 239 | 270 | 210 | 206 | 167 | 164 | 223 | 226 | 226 | 169 | 106 | 104 | 111 | 144 | 142 | 59 | 91 | 65 | 46 | 44 | 41 | 78 | 78 | 80 | 122 | 241 | 299 | 290 | 251 | 251 | 294 | 223 | 215 | 190 | 230 | 186 | 226 | 206 |
Wind (km/h) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | glass | cross | cross- off | cross- off | off | off | off | off | off | 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 | cross- off | cross- off | cross- off | off | off | off | off | off | cross- off | off | cross- off | off | off | off | off | off | off | off | off | off |
High Tide / height (m) | 6:32PM 0.76 | 5:38AM 0.19 | 7:29PM 0.71 | 7:03AM 0.17 | 8:31PM 0.66 | 9:45AM 0.19 | 9:35PM 0.61 | 11:47AM 0.25 | 10:35PM 0.57 | 12:39PM 0.33 | 11:26PM 0.53 | 1:14PM 0.40 | 12:09AM 0.49 | 1:45PM 0.48 | ||||||||||||||||||||||||||||||||||||||||||||||
Low Tide / height (m) | 10:27AM 0.02 | 2:50AM 0.17 | 11:04AM 0.06 | 4:20AM 0.16 | 11:45AM 0.11 | 5:21AM 0.14 | 12:43PM 0.17 | 5:56AM 0.13 | 2:39PM 0.23 | 6:22AM 0.12 | 4:43PM 0.27 | 6:43AM 0.11 | 6:15PM 0.27 | 7:01AM 0.10 | 7:25PM 0.26 | |||||||||||||||||||||||||||||||||||||||||||||
Wednesday 30 | Thursday 01 | Friday 02 | Saturday 03 | Sunday 04 | Monday 05 | Tuesday 06 | Wednesday 07 | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:01 | - | - | - | - | - | - | - | 6:00 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:58 | - | - | - | - | - | - | - | 5:58 | - | - | - | - |
| Sunset | - | - | 6:57 | - | - | - | - | - | - | - | 6:57 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:58 | - | - | - | - | - | - | - | 6:59 | - | - | - | - | - | - | - | 6:59 | - | - | - | - | - | - | - | 6:59 | - | - | - | - | - | - | - | 7:00 | - |
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Rain (mm) | 1 | 1 | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 25 | 24 | 24 | 23 | 23 | 25 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 26 | 25 | 24 | 23 | 24 | 24 | 24 | 26 | 26 | 26 | 24 | 24 | 24 | 24 | 24 | 26 | 26 | 26 | 24 | 24 | 24 | 24 | 24 | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 26 | 26 | 26 | 24 |
| Feels °C (?) | 28 | 27 | 27 | 26 | 26 | 25 | 24 | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 21 | 21 | 23 | 24 | 23 | 22 | 22 | 23 | 24 | 24 | 25 | 25 | 23 | 22 | 21 | 23 | 23 | 24 | 25 | 24 | 25 | 22 | 22 | 24 | 24 | 23 | 25 | 26 | 27 | 23 | 24 | 25 | 25 | 23 | 26 | 26 | 25 | 23 | 23 | 24 | 23 | 23 | 25 | 24 | 23 | 23 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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