Surf Forecasts:
How big are the waves at Number Fours today (20 Oct):
- Morning surf: Morning surf (20 Oct, local time) - 7ft (2.1m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (20 Oct, local time) - 7ft (2.1m), 8s period with ENE swell.
- Evening surf: Evening surf (20 Oct, local time) - 7.5ft (2.3m), 8s period with ENE swell.
The current surf forecast for Number Fours at 6PM is: 2.3m 8s primary swell from a East-northeast direction and 0.3m 11s secondary swell from a South direction (forecast issued at 01:00pm October 20). An open ocean swell of 0.3m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Oct) | 7ft (2.1m) | 8s |
| Afternoon (20 Oct) | 7ft (2.1m) | 8s |
| Evening (20 Oct) | 7.5ft (2.3m) | 8s |
Table - waves today at Number Fours. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Thu morning, min 24°C on Wed morning). Winds decreasing (strong winds from the ENE on Tue afternoon, light winds from the ENE by Wed night). | |||||||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | |||||||||||||||||||
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 | E 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 540 | 452 | 588 | 588 | 574 | 574 | 481 | 438 | 358 | 310 | 310 | 310 | 302 | 256 | 226 | 186 | 186 | 161 | 138 | 161 | 74 |
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 | 12:05PM0.55m | 1:10AM0.37m | 12:44PM0.54m | 1:42AM0.45m | 1:19PM0.51m | ||||||||||||||||
Low Tide | 7:10PM0.09m | 6:23AM0.19m | 7:28PM0.07m | 7:20AM0.16m | 7:47PM0.04m | ||||||||||||||||
 | | |  | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | 6:02 | — | — | — | — | — | — | — | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 26 | 26 | 26 | 25 | 24 |
Feels °C | 21 | 21 | 20 | 20 | 21 | 22 | 21 | 21 | 22 | 21 | 21 | 23 | 23 | 23 | 24 | 24 | 26 | 26 | 24 | 23 | 23 |
Swell 1 Height (m) Direction Period (s) | 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 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SSW 14 | NE 8 |
| kJ | 19 | 19 | 18 | 57 | 62 | 63 | 64 | 63 | 61 | 57 | 85 | 54 | 54 | 256 | 226 | 186 | 186 | 161 | 138 | 71 | 79 |
Swell 2 Height (m) Direction Period (s) | SW 16 | S 11 | S 11 | N 10 | N 10 | N 10 | S 12 | S 12 | S 12 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SW 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | E 14 | SSW 13 |
| kJ | 65 | 21 | 21 | 18 | 18 | 17 | 26 | 26 | 26 | 3 | 7 | 7 | 6 | 54 | 54 | 53 | 52 | 49 | 47 | 35 | 70 |
Swell 3 Height (m) Direction Period (s) | S 11 | SW 15 | SSW 14 | S 11 | S 11 | S 11 | N 10 | N 10 | N 9 | N 9 | N 9 | N 9 | S 11 | SSE 6 | SSE 5 | E 13 | E 13 | E 13 | E 13 | SSE 6 | SSE 5 |
| kJ | 21 | 37 | 20 | 21 | 21 | 21 | 17 | 16 | 7 | 7 | 6 | 6 | 10 | 3 | 3 | 14 | 13 | 31 | 32 | 6 | 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 | E 8 |
| kJ | 540 | 452 | 588 | 588 | 574 | 574 | 481 | 438 | 358 | 310 | 310 | 310 | 302 | — | — | — | — | — | — | 161 | 74 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 156 | 126 | 156 | 42 | 39 | 39 | 31 | 39 | 31 | 39 | 39 | 31 | 31 | 39 | 0 | 1 | 1 | 1 | 2 | 1 | 1 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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