Surf Forecasts:
How big are the waves at Ripps Reef today (20 Sep):
- Morning surf: Morning surf (20 Sep, local time) - 6ft (1.9m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (20 Sep, local time) - 6.5ft (2.0m), 7s period with E swell.
- Evening surf: Evening surf (20 Sep, local time) - 7ft (2.1m), 7s period with ENE swell.
The current surf forecast for Ripps Reef at 5AM is: 2.0m 8s primary swell from a East direction (forecast issued at 01:00am September 20). An open ocean swell of 0.4m 16s is not directed at the surf break, a second open ocean swell of 0.2m 13s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (20 Sep) | 6ft (1.9m) | 8s |
| Afternoon (20 Sep) | 6.5ft (2.0m) | 7s |
| Evening (20 Sep) | 7ft (2.1m) | 7s |
Table - waves today at Ripps Reef. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 2mm), mostly falling on Mon night. Warm (max 27°C on Sun morning, min 25°C on Sun night). Mainly fresh winds. | ||||||||||||||||||||||||
Sunday 20 | Monday 21 | Tuesday 22 | ||||||||||||||||||||||
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) | E 8 | E 8 | ENE 8 | ENE 8 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | 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 9 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 537 | 496 | 473 | 461 | 411 | 400 | 408 | 420 | 444 | 500 | 426 | 406 | 394 | 394 | 375 | 375 | 373 | 383 | 361 | 370 | 330 | 330 | 286 | 432 |
Wind (km/h) | ||||||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | cross-on | cross-on | on | cross-on | on | cross-on | on | on | on | on | on | on | on | cross-on | on | on | cross-on | on | cross-on | cross-on | cross-on |
High Tide | 12:08PM0.62m | 11:00PM0.27m | 12:32PM0.64m | 11:45PM0.33m | 12:52PM0.66m | |||||||||||||||||||
Low Tide | 3:35AM0.13m | 7:52PM0.24m | 4:50AM0.10m | 7:29PM0.23m | 5:38AM0.07m | 7:28PM0.20m | ||||||||||||||||||
 | |  |  | | |  | | |  | | | | | | | |  |  | | | | | | |
 | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — | — | 6:18 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:29 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:27 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 27 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 26 | 26 | 25 | 26 | 24 | 25 | 24 | 23 | 23 | 23 | 22 | 25 | 25 | 25 | 24 | 24 | 25 | 26 | 27 | 27 | 27 | 27 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | SSW 16 | SSW 16 | SSW 16 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | S 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 13 | N 13 | N 12 | N 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 |
| kJ | 86 | 86 | 85 | 79 | 73 | 74 | 75 | 74 | 71 | 68 | 104 | 67 | 63 | 61 | 59 | 58 | 58 | 87 | 112 | 141 | 145 | 133 | 126 | 123 |
Swell 2 Height (m) Direction Period (s) | S 13 | SSW 13 | N 11 | N 11 | N 11 | N 11 | N 11 | N 11 | N 10 | NNW 10 | N 10 | N 10 | NNW 10 | N 10 | NNW 10 | N 14 | N 14 | SSW 13 | SSW 13 | SSW 13 | S 13 | S 12 | S 12 | S 12 |
| kJ | 3 | 17 | 3 | 2 | 2 | 9 | 2 | 2 | 8 | 11 | 8 | 8 | 9 | 8 | 9 | 16 | 32 | 57 | 56 | 33 | 51 | 27 | 26 | 26 |
Swell 3 Height (m) Direction Period (s) | N 12 | N 12 | NW 9 | S 8 | NW 9 | NW 9 | NW 9 | NW 8 | NW 8 | N 8 | NW 8 | NW 8 | NW 10 | NW 10 | N 15 | NNW 9 | NNW 10 | S 16 | S 16 | S 16 | SW 19 | SW 19 | SW 18 | SW 17 |
| kJ | 3 | 3 | 3 | 1 | 3 | 3 | 3 | 3 | 3 | 1 | 3 | 3 | 4 | 4 | 17 | 9 | 9 | 5 | 5 | 5 | 14 | 14 | 12 | 11 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | ENE 8 | ENE 8 | E 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | 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 9 |
| kJ | 537 | 496 | 473 | 461 | 411 | 400 | 408 | 420 | 444 | 500 | 426 | 406 | 394 | 394 | 375 | 375 | 373 | 383 | 361 | 370 | 330 | 330 | 286 | 432 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 37 | 37 | 37 | 41 | 42 | 42 | 41 | 37 | 41 | 37 | 37 | 37 | 37 | 45 | 37 | 37 | 36 | 19 | 19 | 36 | 36 | 36 | 36 | 36 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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