Surf Forecasts:
How big are the waves at Number Fours today (14 Aug):
- Morning surf: Morning surf (14 Aug, local time) - 7ft (2.1m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (14 Aug, local time) - 7ft (2.2m), 8s period with ENE swell.
- Evening surf: Evening surf (14 Aug, local time) - 8ft (2.5m), 8s period with ENE swell.
The current surf forecast for Number Fours at 5AM is: 1.1m 15s primary swell from a South direction and 2.1m 7s secondary swell from a East-northeast direction (forecast issued at 01:00am August 14). An open ocean swell of 0.2m 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 (14 Aug) | 7ft (2.1m) | 7s |
| Afternoon (14 Aug) | 7ft (2.2m) | 8s |
| Evening (14 Aug) | 8ft (2.5m) | 8s |
Table - waves today at Number Fours. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 48mm), heaviest during Sun morning. Warm (max 27°C on Fri afternoon, min 24°C on Sun morning). Winds decreasing (gales from the ENE on Sat night, light winds from the ENE by Sun night). | ||||||||||||||||||||||||
Friday 14 | Saturday 15 | Sunday 16 | ||||||||||||||||||||||
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 | 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) | S 15 | S 15 | S 15 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | E 9 | ENE 9 | ENE 9 | E 10 | E 10 | E 10 | ENE 9 | ENE 9 | ENE 9 | ENE 8 | ENE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 537 | 524 | 510 | 494 | 507 | 604 | 768 | 960 | 1081 | 1098 | 1302 | 1556 | 1914 | 2069 | 2208 | 2717 | 4737 | 4282 | 2956 | 1981 | 1208 | 819 | 603 | 523 |
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 | cross | cross | cross | cross |
High Tide | 5:17AM0.40m | 5:22PM0.62m | 6:06AM0.44m | 5:54PM0.53m | 6:57AM0.47m | 6:24PM0.45m | ||||||||||||||||||
Low Tide | 11:36PM0.04m | 10:49AM0.08m | 00:03AM0.04m | 11:43AM0.14m | 00:30AM0.05m | 12:43PM0.20m | ||||||||||||||||||
 | |  | | | | | |  | | | |  | |  | |  | |  |  | | | | | |
 | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — | — | 6:09 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:01 | — | — | — | — | — | — | — | 7:00 | — | — | — | — | — | — | — | 7:00 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 4 | 19 | 8 | 4 | 3 | 2 | 2 |
Temp °C | 25 | 25 | 26 | 26 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 27 | 26 | 26 | 26 | 25 | 25 | 24 | 26 | 26 | 27 | 26 | 26 |
Feels °C | 22 | 23 | 23 | 23 | 24 | 23 | 22 | 22 | 22 | 22 | 22 | 21 | 23 | 22 | 21 | 20 | 21 | 18 | 22 | 26 | 26 | 28 | 27 | 28 |
Swell 1 Height (m) Direction Period (s) | S 15 | S 15 | S 15 | S 14 | S 14 | S 14 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 13 | S 14 | S 14 | S 17 | SSE 8 | SSE 8 | ENE 9 | ENE 8 | ENE 8 |
| kJ | 537 | 524 | 510 | 411 | 411 | 411 | 329 | 324 | 306 | 229 | 225 | 222 | 168 | 168 | 171 | 171 | 184 | 195 | 376 | 164 | 172 | 819 | 603 | 523 |
Swell 2 Height (m) Direction Period (s) | W 11 | W 11 | W 12 | W 12 | W 12 | E 11 | SSW 18 | SSW 18 | W 11 | W 11 | W 11 | W 11 | W 11 | W 13 | S 18 | S 18 | S 18 | S 18 | W 12 | S 16 | S 13 | SSE 8 | SSE 7 | S 7 |
| kJ | 10 | 10 | 11 | 11 | 11 | 64 | 30 | 30 | 9 | 21 | 9 | 9 | 23 | 30 | 57 | 99 | 56 | 98 | 26 | 188 | 160 | 151 | 136 | 113 |
Swell 3 Height (m) Direction Period (s) | SW 18 | SW 18 | SW 18 | SW 18 | SSW 18 | W 12 | W 12 | W 11 | SW 17 | SSW 17 | SSW 17 | NNW 8 | S 16 | S 19 | W 13 | W 13 | W 13 | W 12 | SSW 19 | SSW 12 | S 16 | S 13 | S 13 | S 13 |
| kJ | 13 | 13 | 12 | 12 | 30 | 11 | 10 | 10 | 12 | 29 | 29 | 6 | 42 | 65 | 30 | 30 | 30 | 27 | 37 | 49 | 129 | 163 | 166 | 166 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 9 | E 9 | ENE 9 | ENE 9 | E 10 | E 10 | E 10 | ENE 9 | ENE 9 | — | SSE 7 | — |
| kJ | 474 | 432 | 456 | 494 | 507 | 604 | 768 | 960 | 1081 | 1098 | 1302 | 1556 | 1914 | 2069 | 2208 | 2717 | 4737 | 4282 | 2956 | 1981 | 1208 | — | 263 | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 39 | 31 | 44 | 39 | 128 | 48 | 39 | 128 | 130 | 201 | 201 | 156 | 201 | 201 | 201 | 201 | 156 | 155 | 147 | 128 | 58 | 46 | 1 | 1 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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