Surf Forecasts:
How big are the waves at Nanakuli Blackrocks today (06 Sep):
- Morning surf: Morning surf (06 Sep, local time) - 4.5ft (1.4m), 12s period with SSW swell.
- Afternoon surf: Afternoon surf (06 Sep, local time) - 5.5ft (1.7m), 12s period with SSW swell.
- Evening surf: Evening surf (06 Sep, local time) - 5.5ft (1.7m), 12s period with SSW swell.
The current surf forecast for Nanakuli Blackrocks at 10AM is: 1.3m 12s primary swell from a South-southwest direction (forecast issued at 01:00am September 06). An open ocean swell of 1.5m 12s is not directed at the surf break, a second open ocean swell of 0.5m 6s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 Sep) | 4.5ft (1.4m) | 12s |
| Afternoon (06 Sep) | 5.5ft (1.7m) | 12s |
| Evening (06 Sep) | 5.5ft (1.7m) | 12s |
Table - waves today at Nanakuli Blackrocks. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 26mm), heaviest during Sun afternoon. Warm (max 28°C on Sun morning, min 25°C on Sun night). Winds decreasing (fresh winds from the SE on Mon night, light winds from the SSE by Tue night). | ||||||||||||||||||||||||
Sunday 6 | Monday 7 | Tuesday 8 | ||||||||||||||||||||||
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 | |
Swell Height Map |  |  |  |  |  |  |  |  |  | |||||||||||||||
Wave Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 11 | SSW 16 | SSW 12 | SSW 12 | SSW 12 | SSW 15 | SSW 14 | SSW 13 | SSW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 13 | SSW 12 | WSW 11 | W 11 | W 10 | W 10 | SSW 14 | SSW 14 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 550 | 497 | 471 | 506 | 839 | 787 | 800 | 720 | 1515 | 1144 | 1621 | 1922 | 1914 | 2903 | 4692 | 5171 | 5683 | 3428 | 1277 | 924 | 661 | 490 | 472 | 437 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | cross-off | off | off | cross-off | cross-off | off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross | cross-on | cross-on | cross | cross | cross-off |
High Tide | 11:47PM0.20m | 12:52PM0.70m | 1:00AM0.25m | 1:38PM0.72m | 1:50AM0.31m | 2:17PM0.71m | ||||||||||||||||||
Low Tide | 4:44AM0.10m | 8:34PM0.14m | 6:04AM0.09m | 8:53PM0.12m | 7:07AM0.08m | 9:14PM0.10m | ||||||||||||||||||
 | |  | |  | |  | | | | | | | |  | |  | |  | |  | | | | |
 | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:44 | — | — | — | — | — | — | — | 6:43 | — | — | — | — | — | — | — | 6:42 | — | — |
mm | — | — | — | — | 1 | 2 | 1 | 2 | 2 | 2 | 2 | 1 | 2 | 1 | — | 1 | 2 | 2 | 2 | 1 | — | — | — | 1 |
Temp °C | 26 | 26 | 26 | 28 | 28 | 27 | 26 | 25 | 25 | 25 | 26 | 27 | 27 | 28 | 27 | 27 | 26 | 26 | 27 | 27 | 28 | 28 | 27 | 27 |
Feels °C | 27 | 27 | 27 | 29 | 29 | 27 | 26 | 27 | 27 | 28 | 25 | 27 | 27 | 27 | 25 | 26 | 24 | 25 | 27 | 27 | 30 | 30 | 30 | 31 |
Swell 1 Height (m) Direction Period (s) | E 13 | E 13 | E 13 | E 12 | SSW 12 | SSW 12 | SSW 12 | E 12 | SSW 14 | SSW 13 | SSW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSW 13 | ENE 12 | WSW 11 | SSW 9 | SSW 9 | SSW 8 | SSW 8 | SSW 8 |
| kJ | 865 | 749 | 747 | 784 | 839 | 787 | 800 | 726 | 1515 | 1144 | 1621 | 1922 | 1914 | 2903 | 4692 | 5171 | 5683 | 462 | 1277 | 796 | 547 | 385 | 322 | 231 |
Swell 2 Height (m) Direction Period (s) | SSW 12 | SSW 12 | SSW 11 | SSW 12 | E 12 | E 12 | E 12 | SSW 12 | S 18 | E 12 | SSE 8 | SSE 8 | SSW 17 | SSW 16 | SSW 16 | ENE 12 | ENE 12 | SSW 15 | SSW 15 | W 11 | W 10 | W 10 | WNW 10 | WNW 9 |
| kJ | 550 | 497 | 471 | 437 | 773 | 672 | 661 | 508 | 325 | 761 | 149 | 181 | 589 | 582 | 561 | 569 | 486 | 588 | 604 | 924 | 661 | 490 | 315 | 237 |
Swell 3 Height (m) Direction Period (s) | N 6 | SSW 16 | SSW 16 | SSW 16 | SSE 10 | SSE 10 | S 18 | SSW 15 | SSE 10 | SSE 7 | SSW 17 | SSW 17 | NNW 14 | NNW 13 | NNW 13 | SSW 15 | SSW 15 | NW 12 | ENE 11 | ENE 11 | ENE 11 | ENE 11 | SSW 14 | SSW 14 |
| kJ | 26 | 223 | 229 | 506 | 38 | 38 | 174 | 720 | 36 | 84 | 390 | 465 | 20 | 17 | 34 | 581 | 574 | 37 | 303 | 308 | 319 | 265 | 472 | 437 |
Wind waves Height (m) Direction Period (s) | ENE 13 | ENE 13 | N 6 | ENE 12 | — | — | — | E 12 | E 12 | — | E 12 | E 12 | ESE 8 | SE 8 | SE 8 | SSE 8 | SSE 7 | SSW 12 | S 10 | — | — | — | — | — |
| kJ | 865 | 721 | 18 | 645 | — | — | — | 940 | 846 | — | 746 | 972 | 705 | 1039 | 1190 | 775 | 395 | 3428 | 993 | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 7 | 0 | 0 | 17 | 162 | 25 | 90 | 90 | 92 | 111 | 34 | 25 | 35 | 35 | 34 | 25 | 0 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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