Surf Forecasts:
How big are the waves at China Walls today (17 Sep):
- Morning surf: Morning surf (17 Sep, local time) - 2.5ft (0.8m), 16s period with SSW swell.
- Afternoon surf: Afternoon surf (17 Sep, local time) - 2.5ft (0.7m), 16s period with SW swell.
- Evening surf: Evening surf (17 Sep, local time) - 3.5ft (1.0m), 17s period with SSW swell.
The current surf forecast for China Walls at 7PM is: 0.9m 16s primary swell from a South-southwest direction and 0.2m 8s secondary swell from a West-southwest direction (forecast issued at 01:00pm September 17). An open ocean swell of 2.0m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 2.5ft (0.8m) | 16s |
| Afternoon (17 Sep) | 2.5ft (0.7m) | 16s |
| Evening (17 Sep) | 3.5ft (1.0m) | 17s |
Table - waves today at China Walls. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 5mm), mostly falling on Thu night. Warm (max 27°C on Thu afternoon, min 26°C on Thu afternoon). Mainly strong winds. | |||||||||||||||||||||
Thu 17 | Friday 18 | Saturday 19 | |||||||||||||||||||
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) | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 17 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | E 7 | E 8 | SSW 16 | SSW 16 | S 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 258 | 258 | 322 | 458 | 622 | 644 | 644 | 390 | 622 | 601 | 580 | 566 | 552 | 539 | 525 | 392 | 522 | 581 | 387 | 387 | 195 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 8:04AM0.54m | 6:18PM0.21m | 9:21AM0.54m | 9:37PM0.19m | 10:30AM0.55m | ||||||||||||||||
Low Tide | 5:49PM0.21m | 00:44AM0.14m | 6:28PM0.17m | 2:11AM0.15m | 6:51PM0.15m | ||||||||||||||||
 | |  |  | |  | | | |  | |  | | | | | |  | |  | | |
 | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | 6:31 | — | — | — | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:30 | — | — |
mm | — | — | 1 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 25 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 25 | 25 | 25 | 25 | 23 | 23 | 23 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | SW 16 | SW 16 | SSW 16 | SSW 16 | SSW 17 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | S 16 |
| kJ | 258 | 258 | 322 | 458 | 622 | 644 | 644 | 390 | 622 | 601 | 580 | 566 | 552 | 539 | 525 | 392 | 382 | 382 | 387 | 387 | 195 |
Swell 2 Height (m) Direction Period (s) | SSW 20 | SSW 19 | SSW 19 | WSW 8 | SSW 10 | WSW 8 | SSE 10 | SSW 14 | SSE 10 | SSE 7 | SE 7 | SE 6 | SSE 9 | SE 8 | SSE 6 | SSE 6 | SSW 18 | SSW 18 | S 18 | S 18 | SSW 16 |
| kJ | 149 | 212 | 210 | 7 | 10 | 7 | 9 | 131 | 9 | 5 | 13 | 9 | 7 | 16 | 17 | 7 | 108 | 106 | 99 | 99 | 166 |
Swell 3 Height (m) Direction Period (s) | SW 11 | SSW 10 | SSW 10 | SSW 10 | WSW 8 | SSE 10 | SW 10 | SE 10 | W 9 | S 21 | W 9 | S 21 | W 9 | S 20 | S 20 | S 20 | SSE 8 | SSE 8 | SSE 6 | SSE 9 | SSW 13 |
| kJ | 18 | 10 | 10 | 10 | 7 | 9 | 4 | 4 | 2 | 34 | 6 | 34 | 6 | 30 | 67 | 30 | 7 | 7 | 8 | 15 | 102 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 8 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 495 | 501 | 616 | 579 | 566 | 475 | 474 | 561 | 528 | 437 | 384 | 384 | 405 | 373 | 394 | 371 | 522 | 581 | 450 | 427 | 461 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 43 | 45 | 45 | 43 | 43 | 45 | 51 | 45 | 51 | 116 | 51 | 45 | 44 | 13 | 44 | 44 | 51 | 54 | 52 | 45 | 44 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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