Surf Forecasts:
How big are the waves at Number Fours today (17 Aug):
- Morning surf: Morning surf (17 Aug, local time) - 5ft (1.6m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (17 Aug, local time) - 2.5ft (0.8m), 14s period with S swell.
- Evening surf: Evening surf (17 Aug, local time) - 2.5ft (0.8m), 14s period with S swell.
The current surf forecast for Number Fours at 9PM is: 0.8m 14s primary swell from a South direction and 0.3m 5s secondary swell from a South-southeast direction, 1.4m 7s secondary swell from a East-northeast direction (forecast issued at 01:00pm August 17). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Aug) | 5ft (1.6m) | 8s |
| Afternoon (17 Aug) | 2.5ft (0.8m) | 14s |
| Evening (17 Aug) | 2.5ft (0.8m) | 14s |
Table - waves today at Number Fours. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Mon afternoon, min 24°C on Mon night). Mainly fresh winds. | |||||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 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) | ENE 8 | ENE 7 | S 14 | S 14 | S 14 | ENE 7 | ENE 7 | ENE 7 | S 13 | ENE 7 | S 13 | S 13 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SW 16 | SW 16 | E 8 | E 8 | SW 16 |
Wave Graph  | |||||||||||||||||||||
 kJ | 334 | 268 | 260 | 253 | 242 | 172 | 172 | 165 | 165 | 156 | 136 | 119 | 151 | 159 | 168 | 171 | 129 | 130 | 100 | 103 | 66 |
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 | 6:52PM0.37m | 8:59AM0.51m | 7:16PM0.30m | 10:13AM0.53m | |||||||||||||||||
Low Tide | 1:59PM0.25m | 1:27AM0.08m | 3:56PM0.27m | 2:01AM0.10m | |||||||||||||||||
 | |  |  | |  | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:11 | — | — | — | — | — | — |
 | — | — | 7:00 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:58 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 25 | 25 | 24 | 25 | 25 | 25 | 26 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 25 | 24 |
Feels °C | 26 | 26 | 25 | 24 | 24 | 22 | 25 | 24 | 23 | 23 | 23 | 24 | 23 | 24 | 23 | 24 | 25 | 27 | 27 | 26 | 25 |
Swell 1 Height (m) Direction Period (s) | S 14 | ENE 7 | ENE 7 | S 14 | S 14 | S 13 | S 13 | ENE 7 | ENE 7 | S 13 | S 13 | S 13 | S 13 | S 13 | S 12 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 334 | 268 | 237 | 253 | 242 | 170 | 167 | 154 | 135 | 119 | 119 | 119 | 119 | 116 | 72 | 171 | 109 | 84 | 84 | 82 | 63 |
Swell 2 Height (m) Direction Period (s) | S 6 | S 14 | S 14 | SSE 5 | SSW 5 | E 9 | E 9 | S 13 | S 13 | SW 18 | SW 18 | SW 18 | SW 18 | SW 18 | W 12 | S 12 | NNE 7 | NE 6 | SSW 16 | SSW 16 | S 12 |
| kJ | 23 | 260 | 260 | 5 | 2 | 25 | 15 | 165 | 165 | 78 | 80 | 80 | 80 | 79 | 25 | 44 | 30 | 33 | 100 | 103 | 45 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SSE 6 | SSE 5 | SSW 5 | WSW 6 | SW 6 | SW 6 | SW 16 | SW 17 | WSW 6 | W 13 | W 13 | W 12 | W 12 | SW 18 | SW 16 | SW 16 | SW 16 | S 12 | S 12 | SW 16 |
| kJ | 50 | 10 | 6 | 2 | 4 | 6 | 6 | 69 | 74 | 4 | 31 | 29 | 26 | 25 | 49 | 67 | 129 | 130 | 45 | 45 | 66 |
Wind waves Height (m) Direction Period (s) | ENE 8 | — | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | — | — | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | — | — | — | NE 6 | NE 6 | NE 6 |
| kJ | 283 | — | 153 | 193 | 193 | 172 | 172 | — | — | 156 | 136 | 111 | 151 | 159 | 168 | — | — | — | 31 | 31 | 31 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 31 | 2 | 2 | 1 | 2 | 2 | 1 | 31 | 31 | 31 | 31 | 1 | 1 | 1 | 31 | 1 | 1 | 1 | 1 | 0 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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