Surf Forecasts:
How big are the waves at Nanakuli Tracks today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 2.5ft (0.8m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 3ft (0.9m), 15s period with SSW swell.
- Evening surf: Evening surf (20 Sep, local time) - 3ft (0.9m), 15s period with SSW swell.
The current surf forecast for Nanakuli Tracks at 1AM is: 0.8m 15s primary swell from a South-southwest direction (forecast issued at 07:00pm September 19). An open ocean swell of 1.6m 8s is not directed at the surf break, a second open ocean swell of 1.8m 8s 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 (20 Sep) | 2.5ft (0.8m) | 16s |
| Afternoon (20 Sep) | 3ft (0.9m) | 15s |
| Evening (20 Sep) | 3ft (0.9m) | 15s |
Table - waves today at Nanakuli Tracks. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 29°C on Tue afternoon, min 25°C on Sun night). Mainly fresh winds. | |||||||||||||||||||
Sat 19 | Sunday 20 | Monday 21 | |||||||||||||||||
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 16 | SSW 16 | SSW 15 | S 16 | S 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | S 14 | SSW 14 | S 14 | S 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 |
Wave Graph  | |||||||||||||||||||
 kJ | 512 | 512 | 302 | 334 | 326 | 337 | 320 | 375 | 375 | 380 | 468 | 423 | 336 | 405 | 400 | 308 | 299 | 295 | 295 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off | off |
High Tide | 11:58PM0.21m | 12:17PM0.58m | 00:48AM0.25m | 12:57PM0.60m | |||||||||||||||
Low Tide | 8:14PM0.18m | 3:50AM0.18m | 8:11PM0.16m | 5:19AM0.17m | 8:19PM0.15m | ||||||||||||||
 |  | |  | |  | | | | | | | | | | | | |  | |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 27 | 26 | 26 | 26 | 26 | 26 | 28 | 28 | 27 | 25 | 25 | 25 | 25 | 25 | 27 | 28 | 27 | 26 | 26 |
Feels °C | 25 | 25 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 24 | 24 | 24 | 25 | 24 | 26 | 27 | 25 | 26 | 27 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | E 8 | E 8 | E 8 | E 8 | E 8 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | S 14 | SSW 14 | S 14 | E 8 | E 8 | E 8 | SSW 13 | E 9 |
| kJ | 512 | 364 | 331 | 329 | 291 | 253 | 320 | 375 | 375 | 380 | 468 | 423 | 336 | 405 | 270 | 264 | 239 | 295 | 251 |
Swell 2 Height (m) Direction Period (s) | S 18 | SSW 16 | SSW 15 | SSW 15 | S 16 | SSW 16 | SSW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SSW 15 | S 14 | SSW 14 | SSW 13 | W 11 | SSW 13 |
| kJ | 155 | 512 | 302 | 287 | 326 | 337 | 146 | 104 | 104 | 104 | 54 | 33 | 33 | 21 | 400 | 308 | 299 | 10 | 295 |
Swell 3 Height (m) Direction Period (s) | N 6 | N 6 | S 16 | S 16 | SW 16 | SSW 14 | SSE 6 | SSE 6 | NNW 11 | SSE 6 | SSE 7 | SSE 7 | NNW 10 | NNW 10 | SSW 15 | SSW 15 | W 11 | NNW 10 | W 11 |
| kJ | 19 | 19 | 264 | 334 | 251 | 133 | 15 | 15 | 12 | 7 | 5 | 5 | 11 | 10 | 21 | 21 | 9 | 9 | 10 |
Wind waves Height (m) Direction Period (s) | E 8 | — | — | ENE 8 | ENE 8 | — | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | — | — | E 8 | — |
| kJ | 396 | — | — | 277 | 212 | — | 260 | 287 | 314 | 295 | 287 | 294 | 378 | 291 | — | — | — | 245 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 11 | 8 | 0 | 0 | 0 | 0 | 9 | 11 | 11 | 8 | 8 | 8 | 0 | 0 | 0 | 0 | 11 | 0 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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Surf Rating (10 Max)
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