Surf Forecasts:
How big are the waves at Number Fours today (19 Oct):
- Morning surf: Morning surf (19 Oct, local time) - 7ft (2.2m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (19 Oct, local time) - 7ft (2.2m), 8s period with ENE swell.
- Evening surf: Evening surf (19 Oct, local time) - 8ft (2.5m), 8s period with ENE swell.
The current surf forecast for Number Fours at 9PM is: 2.5m 8s primary swell from a East-northeast direction and 0.4m 15s secondary swell from a Southwest direction (forecast issued at 01:00pm October 19). An open ocean swell of 0.4m 11s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Oct) | 7ft (2.2m) | 8s |
| Afternoon (19 Oct) | 7ft (2.2m) | 8s |
| Evening (19 Oct) | 8ft (2.5m) | 8s |
Table - waves today at Number Fours. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Wed morning, min 24°C on Mon night). Winds decreasing (strong winds from the ENE on Mon night, light winds from the ENE by Wed night). | |||||||||||||||||||||
Mon 19 | Tuesday 20 | Wednesday 21 | |||||||||||||||||||
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 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 | ENE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 509 | 555 | 557 | 706 | 843 | 640 | 640 | 655 | 708 | 655 | 655 | 708 | 693 | 561 | 438 | 358 | 358 | 288 | 302 | 310 | 288 |
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 | 11:21AM0.56m | 00:39AM0.31m | 12:05PM0.55m | 1:10AM0.37m | 12:44PM0.54m | ||||||||||||||||
Low Tide | 6:52PM0.11m | 5:16AM0.20m | 7:10PM0.09m | 6:23AM0.19m | 7:28PM0.07m | ||||||||||||||||
 | | |  |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | 6:02 | — | — | — | — | — | — | — | 6:02 | — | — | — | — | — | — | — | 6:01 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 26 | 25 | 25 | 25 | 25 |
Feels °C | 22 | 20 | 20 | 21 | 19 | 20 | 20 | 20 | 20 | 21 | 20 | 21 | 19 | 20 | 21 | 22 | 23 | 21 | 22 | 22 | 24 |
Swell 1 Height (m) Direction Period (s) | N 11 | N 11 | N 11 | NNW 11 | N 11 | N 11 | N 11 | SW 16 | N 10 | N 10 | N 10 | SW 15 | SW 16 | SW 16 | SW 16 | SW 16 | SW 16 | SW 15 | SSW 15 | SW 15 | SW 15 |
| kJ | 58 | 62 | 63 | 40 | 38 | 38 | 37 | 65 | 19 | 19 | 18 | 57 | 62 | 64 | 64 | 63 | 61 | 57 | 85 | 54 | 54 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | S 12 | SW 15 | SW 16 | SW 16 | SW 16 | N 11 | SW 16 | S 11 | SSW 14 | N 10 | N 10 | N 10 | S 12 | S 12 | S 12 | SSE 6 | SSE 6 | SSE 6 | S 11 |
| kJ | 44 | 44 | 25 | 60 | 63 | 64 | 64 | 21 | 65 | 20 | 20 | 18 | 18 | 17 | 25 | 26 | 26 | 7 | 7 | 6 | 10 |
Swell 3 Height (m) Direction Period (s) | SW 17 | SW 15 | SW 15 | S 12 | S 12 | S 12 | S 11 | S 11 | S 11 | SW 15 | S 11 | S 11 | S 11 | S 11 | N 10 | N 10 | N 9 | N 9 | N 9 | S 12 | SSE 5 |
| kJ | 73 | 57 | 57 | 25 | 25 | 24 | 22 | 21 | 21 | 34 | 9 | 9 | 9 | 21 | 17 | 17 | 7 | 6 | 6 | 11 | 3 |
Wind waves Height (m) Direction Period (s) | 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 | ENE 8 |
| kJ | 509 | 555 | 557 | 706 | 843 | 640 | 640 | 655 | 708 | 655 | 655 | 708 | 693 | 561 | 438 | 358 | 358 | 288 | 302 | 310 | 288 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 39 | 155 | 48 | 48 | 127 | 39 | 42 | 48 | 155 | 155 | 126 | 39 | 39 | 39 | 33 | 31 | 31 | 32 | 32 | 31 | 39 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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