Surf Forecasts:
How big are the waves at Number Fours today (19 Sep):
- Morning surf: Morning surf (19 Sep, local time) - 7.5ft (2.3m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (19 Sep, local time) - 7ft (2.2m), 8s period with E swell.
- Evening surf: Evening surf (19 Sep, local time) - 6ft (1.8m), 8s period with ENE swell.
The current surf forecast for Number Fours at 1PM is: 2.3m 8s primary swell from a East direction and 0.9m 16s secondary swell from a South-southwest direction, 0.4m 18s secondary swell from a South-southwest direction (forecast issued at 07:00am September 19). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (19 Sep) | 7.5ft (2.3m) | 7s |
| Afternoon (19 Sep) | 7ft (2.2m) | 8s |
| Evening (19 Sep) | 6ft (1.8m) | 8s |
Table - waves today at Number Fours. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 26°C on Sat morning, min 25°C on Sun night). Mainly strong winds. | |||||||||||||||||||||||
Saturday 19 | Sunday 20 | Monday 21 | |||||||||||||||||||||
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) | SSW 16 | SSW 16 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SSW 16 | ENE 7 | E 7 | E 7 | ENE 7 | E 7 | E 7 | E 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 525 | 487 | 670 | 667 | 522 | 437 | 437 | 449 | 427 | 452 | 352 | 452 | 423 | 370 | 400 | 478 | 504 | 456 | 426 | 384 | 370 | 394 | 416 |
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 | cross-off | cross-off |
High Tide | 11:34AM0.59m | 00:19AM0.23m | 12:26PM0.61m | 00:59AM0.27m | 1:06PM0.62m | ||||||||||||||||||
Low Tide | 2:56AM0.18m | 7:43PM0.16m | 4:35AM0.17m | 8:01PM0.15m | 5:47AM0.16m | 8:17PM0.13m | |||||||||||||||||
 |  |  | | |  | | | | | | | | | | | | | | | | | | |
 | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | 6:30 | — | — | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:28 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 26 |
Feels °C | 24 | 23 | 22 | 22 | 23 | 25 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 25 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | ENE 8 | S 16 | SSW 16 | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | S 13 |
| kJ | 525 | 475 | 377 | 382 | 387 | 437 | 195 | 350 | 350 | 452 | 253 | 292 | 300 | 370 | 365 | 350 | 336 | 331 | 265 | 243 | 239 | 236 | 171 |
Swell 2 Height (m) Direction Period (s) | SSE 6 | SSE 6 | SSW 18 | SSW 18 | S 18 | SSW 16 | SSW 16 | SW 16 | SSW 14 | SW 15 | SSW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SW 15 | SSW 15 | SW 14 | SSW 15 | SW 14 | SW 14 | SW 13 |
| kJ | 16 | 7 | 106 | 106 | 99 | 387 | 166 | 122 | 76 | 33 | 146 | 107 | 104 | 55 | 33 | 33 | 33 | 21 | 32 | 21 | 31 | 31 | 46 |
Swell 3 Height (m) Direction Period (s) | S 20 | S 20 | SSE 8 | SSE 9 | SSE 8 | S 18 | SSW 13 | SSE 6 | SSE 6 | SSE 6 | SSE 8 | N 11 | W 13 | W 12 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 | W 11 | W 11 | W 11 |
| kJ | 67 | 30 | 7 | 7 | 7 | 99 | 102 | 16 | 8 | 7 | 6 | 2 | 3 | 3 | 11 | 11 | 11 | 11 | 10 | 9 | 9 | 9 | 10 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 7 | E 8 | E 8 | E 8 | — | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | E 7 | E 7 | ENE 7 | E 7 | E 7 | E 8 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 449 | 487 | 670 | 667 | 522 | — | 437 | 449 | 427 | 392 | 352 | 452 | 423 | 360 | 400 | 478 | 504 | 456 | 426 | 384 | 370 | 394 | 416 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 42 | 39 | 42 | 42 | 39 | 31 | 31 | 33 | 31 | 33 | 39 | 39 | 39 | 33 | 31 | 33 | 31 | 31 | 31 | 32 | 42 | 31 | 31 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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