Surf Forecasts:
How big are the waves at Number Fours today (31 Aug):
- Morning surf: Morning surf (31 Aug, local time) - 6.5ft (2.0m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (31 Aug, local time) - 6.5ft (2.0m), 8s period with ENE swell.
- Evening surf: Evening surf (31 Aug, local time) - 7ft (2.1m), 8s period with ENE swell.
The current surf forecast for Number Fours at 6PM is: 2.0m 8s primary swell from a East-northeast direction and 0.6m 14s secondary swell from a South-southwest direction, 0.5m 11s secondary swell from a South direction (forecast issued at 01:00pm August 31). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 Aug) | 6.5ft (2.0m) | 7s |
| Afternoon (31 Aug) | 6.5ft (2.0m) | 8s |
| Evening (31 Aug) | 7ft (2.1m) | 8s |
Table - waves today at Number Fours. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 27°C on Tue afternoon, min 25°C on Mon night). Mainly strong winds. | |||||||||||||||||||||
Mon 31 | Tuesday 1 | Wednesday 2 | |||||||||||||||||||
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) | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 423 | 389 | 428 | 428 | 469 | 439 | 434 | 445 | 475 | 432 | 453 | 464 | 496 | 475 | 464 | 443 | 494 | 570 | 620 | 708 | 806 |
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 | 5:48PM0.44m | 7:14AM0.56m | 6:20PM0.36m | 8:21AM0.59m | 6:54PM0.28m | ||||||||||||||||
Low Tide | 12:22PM0.19m | 00:10AM0.05m | 1:40PM0.23m | 00:43AM0.05m | 3:38PM0.25m | ||||||||||||||||
 | | |  | | | | | | | | |  | | | | | | | | | |
 | — | — | — | — | — | — | 6:13 | — | — | — | — | — | — | — | 6:15 | — | — | — | — | — | — |
 | — | — | 6:47 | — | — | — | — | — | — | — | 6:46 | — | — | — | — | — | — | — | 6:45 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 27 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 25 |
Feels °C | 23 | 22 | 23 | 22 | 22 | 23 | 23 | 22 | 24 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 23 | 22 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 14 | S 10 | S 19 | S 19 | S 19 | S 18 | SSW 18 | S 18 | S 18 | S 18 | S 18 | S 17 | S 16 | S 16 | S 16 | S 16 | S 16 | S 15 | S 15 |
| kJ | 144 | 142 | 138 | 54 | 192 | 192 | 188 | 246 | 329 | 311 | 314 | 311 | 304 | 364 | 347 | 343 | 422 | 417 | 318 | 294 | 283 |
Swell 2 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | SW 14 | S 10 | S 10 | S 10 | SW 14 | SSW 14 | S 13 | S 12 | S 12 | S 13 | S 10 | S 10 | SSE 10 | SSE 10 | E 14 | S 11 | S 11 | S 11 |
| kJ | 57 | 56 | 55 | 99 | 52 | 51 | 31 | 97 | 80 | 79 | 77 | 75 | 52 | 35 | 34 | 33 | 19 | 66 | 41 | 37 | 37 |
Swell 3 Height (m) Direction Period (s) | S 21 | SSW 18 | SSW 19 | SSW 19 | SSW 14 | SSW 14 | SSW 15 | S 10 | S 10 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | SSE 10 | E 14 | E 14 | SE 16 |
| kJ | 34 | 64 | 122 | 124 | 63 | 79 | 93 | 30 | 30 | 52 | 52 | 52 | 52 | 51 | 51 | 49 | 30 | 19 | 66 | 37 | 39 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 423 | 389 | 428 | 428 | 469 | 439 | 434 | 445 | 475 | 432 | 453 | 464 | 496 | 475 | 464 | 443 | 494 | 570 | 620 | 708 | 806 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 126 | 126 | 42 | 39 | 34 | 31 | 31 | 34 | 31 | 126 | 126 | 39 | 32 | 31 | 31 | 31 | 39 | 44 | 44 | 126 | 126 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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