Surf Forecasts:
How big are the waves at Waimanalo today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 6ft (1.9m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (21 Oct, local time) - 5.5ft (1.7m), 8s period with ENE swell.
- Evening surf: Evening surf (21 Oct, local time) - 5.5ft (1.7m), 8s period with ENE swell.
The current surf forecast for Waimanalo at 2AM is: 2.1m 8s primary swell from a East-northeast direction and 0.4m 10s secondary swell from a North direction (forecast issued at 07:00pm October 20). An open ocean swell of 0.2m 12s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 6ft (1.9m) | 8s |
| Afternoon (21 Oct) | 5.5ft (1.7m) | 8s |
| Evening (21 Oct) | 5.5ft (1.7m) | 8s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 25°C on Tue night, min 24°C on Wed morning). Winds decreasing (fresh winds from the ENE on Tue night, light winds from the ENE by Wed night). | |||||||||||||||||||
Tue 20 | Wednesday 21 | Thursday 22 | |||||||||||||||||
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 7 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 512 | 495 | 452 | 481 | 481 | 438 | 411 | 336 | 310 | 310 | 302 | 256 | 256 | 214 | 214 | 181 | 186 | 161 | 178 |
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 | cross-on | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | on | on | on | cross-on |
High Tide | 00:00AM0.34m | 12:04PM0.56m | 00:34AM0.41m | 12:21PM0.55m | |||||||||||||||
Low Tide | 6:31PM0.15m | 5:01AM0.15m | 6:33PM0.11m | 5:51AM0.15m | 6:44PM0.07m | ||||||||||||||
 |  | |  | | | | | | | | | | | | | | | | |
 | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | 6:01 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 25 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 25 | 25 | 25 | 25 | 25 |
Feels °C | 21 | 20 | 21 | 20 | 21 | 21 | 22 | 22 | 22 | 22 | 23 | 24 | 24 | 24 | 24 | 23 | 24 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | NNW 10 | NNW 10 | N 10 | N 10 | N 10 | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | ENE 8 | NW 12 | ENE 8 | ENE 8 | ENE 7 | ENE 8 | NW 12 | ENE 8 |
| kJ | 34 | 33 | 31 | 30 | 17 | 16 | 15 | 15 | 14 | 14 | 14 | 256 | 22 | 214 | 214 | 181 | 186 | 50 | 178 |
Swell 2 Height (m) Direction Period (s) | NNW 10 | NW 10 | NW 9 | S 12 | S 12 | S 12 | S 12 | S 12 | NW 12 | NW 12 | NNW 12 | N 9 | N 8 | NW 11 | N 8 | E 13 | NW 11 | E 14 | NW 12 |
| kJ | 9 | 4 | 3 | 12 | 12 | 12 | 11 | 11 | 6 | 6 | 14 | 14 | 13 | 20 | 12 | 31 | 31 | 35 | 51 |
Swell 3 Height (m) Direction Period (s) | S 11 | S 11 | S 11 | NW 9 | NW 9 | NW 9 | NW 13 | NW 12 | S 12 | SE 6 | SE 6 | NW 12 | E 14 | N 8 | NW 11 | NW 11 | E 14 | NE 16 | NE 14 |
| kJ | 2 | 2 | 2 | 3 | 3 | 3 | 7 | 6 | 11 | 1 | 1 | 23 | 15 | 6 | 19 | 19 | 32 | 38 | 33 |
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 | — |
| kJ | 512 | 495 | 452 | 481 | 481 | 438 | 411 | 336 | 310 | 310 | 302 | — | 256 | — | — | — | — | 161 | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 147 | 52 | 45 | 50 | 45 | 50 | 44 | 44 | 50 | 44 | 44 | 46 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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