Surf Forecasts:
How big are the waves at Waimanalo today (21 Oct):
- Morning surf: Morning surf (21 Oct, local time) - 6ft (1.8m), 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 8PM is: 1.7m 8s primary swell from a East-northeast direction and 0.3m 9s secondary swell from a North direction, 0.1m 12s secondary swell from a Northwest direction (forecast issued at 01:00pm October 21). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Oct) | 6ft (1.8m) | 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 26°C on Wed afternoon, min 24°C on Thu night). Mainly fresh winds. | |||||||||||||||||||||
Wed 21 | Thursday 22 | Friday 23 | |||||||||||||||||||
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 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 7 | ENE 8 | NE 8 | ENE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 336 | 336 | 302 | 336 | 322 | 276 | 244 | 214 | 208 | 172 | 172 | 151 | 146 | 150 | 140 | 145 | 140 | 109 | 122 | 110 | 120 |
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 | cross-on | cross-on | on | on | on | cross-on | cross-on | cross-on | on | on | on | on | on | on |
High Tide | 12:04PM0.56m | 00:34AM0.41m | 12:21PM0.55m | 1:07AM0.49m | 12:38PM0.53m | ||||||||||||||||
Low Tide | 6:33PM0.11m | 5:51AM0.15m | 6:44PM0.07m | 6:37AM0.16m | 7:00PM0.02m | ||||||||||||||||
 | | |  | | | | | | | | | | |  |  | | | | | | |
 | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — | — | 6:28 | — | — | — | — | — | — |
 | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 |
Feels °C | 22 | 23 | 22 | 22 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 24 | 24 |
Swell 1 Height (m) Direction Period (s) | N 9 | N 9 | N 9 | N 9 | N 9 | N 9 | ENE 8 | ENE 8 | N 8 | ENE 7 | NW 11 | ENE 8 | ENE 7 | ENE 8 | NE 8 | ENE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 15 | 15 | 14 | 14 | 14 | 13 | 244 | 214 | 5 | 172 | 31 | 151 | 146 | 150 | 140 | 145 | 140 | 109 | 101 | 110 | 120 |
Swell 2 Height (m) Direction Period (s) | S 12 | S 12 | NW 12 | NW 12 | NNW 12 | NW 12 | NW 12 | NW 11 | NW 11 | E 13 | E 14 | NW 12 | NW 12 | NW 12 | ESE 8 | NE 13 | NE 13 | NNE 8 | NNE 8 | NE 12 | NE 11 |
| kJ | 11 | 11 | 6 | 6 | 14 | 23 | 22 | 20 | 19 | 31 | 32 | 50 | 51 | 50 | 19 | 84 | 83 | 37 | 39 | 65 | 58 |
Swell 3 Height (m) Direction Period (s) | NW 13 | NW 12 | S 12 | SW 15 | E 14 | E 14 | N 8 | N 8 | NNW 13 | NW 11 | N 8 | E 14 | ESE 8 | ESE 8 | NW 12 | NW 11 | NW 11 | NE 12 | NE 12 | NNE 7 | NW 11 |
| kJ | 7 | 6 | 11 | 8 | 4 | 4 | 13 | 6 | 17 | 19 | 5 | 35 | 11 | 19 | 49 | 45 | 43 | 72 | 68 | 21 | 40 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | — | ENE 7 | — | ENE 7 | — | — | E 8 | ESE 8 | ESE 7 | ESE 8 | E 8 | ENE 8 | — | ENE 4 |
| kJ | 336 | 336 | 302 | 336 | 322 | 276 | — | — | 208 | — | 172 | — | — | 55 | 58 | 57 | 44 | 41 | 122 | — | 14 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 50 | 50 | 50 | 45 | 44 | 50 | 9 | 15 | 44 | 42 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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