Surf Forecasts:
How big are the waves at Waimanalo today (28 Sep):
- Morning surf: Morning surf (28 Sep, local time) - 8ft (2.5m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (28 Sep, local time) - 8ft (2.4m), 8s period with ENE swell.
- Evening surf: Evening surf (28 Sep, local time) - 7ft (2.1m), 8s period with ENE swell.
The current surf forecast for Waimanalo at 2PM is: 2.4m 8s primary swell from a East-northeast direction and 0.7m 14s secondary swell from a North-northwest direction (forecast issued at 07:00am September 28). An open ocean swell of 0.5m 11s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 Sep) | 8ft (2.5m) | 8s |
| Afternoon (28 Sep) | 8ft (2.4m) | 8s |
| Evening (28 Sep) | 7ft (2.1m) | 8s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 14mm), heaviest on Wed morning. Warm (max 27°C on Tue afternoon, min 25°C on Mon night). Winds decreasing (fresh winds from the E on Mon morning, light winds from the E by Mon night). | |||||||||||||||||||||||
Monday 28 | Tuesday 29 | Wednesday 30 | |||||||||||||||||||||
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) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | E 8 | E 8 | E 8 | E 14 | E 14 | E 14 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||||||
 kJ | 915 | 847 | 748 | 730 | 629 | 574 | 509 | 497 | 485 | 437 | 350 | 341 | 341 | 264 | 251 | 239 | 201 | 253 | 194 | 183 | 168 | 145 | 145 |
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 | cross-on | cross-on | cross-on | cross-on | cross-off | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 3:51AM0.62m | 2:47PM0.48m | 4:42AM0.63m | 2:59PM0.44m | 5:41AM0.62m | 3:00PM0.40m | |||||||||||||||||
Low Tide | 9:40AM0.21m | 9:26PM-0.03m | 10:35AM0.26m | 9:58PM-0.03m | 11:46AM0.31m | 10:36PM-0.02m | |||||||||||||||||
 |  | | | |  | | | | | |  | | | | |  |  | | | | | | |
 | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:19 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 1 | 2 | 2 | 2 | 2 |
Temp °C | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 24 | 24 | 24 | 25 | 24 | 25 | 24 | 26 | 26 | 27 | 26 | 27 | 28 | 27 | 26 | 26 | 26 | 26 | 25 | 26 | 26 | 26 | 26 |
Swell 1 Height (m) Direction Period (s) | NNW 16 | NNW 15 | S 12 | NNW 14 | NNW 14 | NNW 13 | NNW 13 | NNW 13 | NNW 12 | ENE 8 | ENE 8 | E 13 | E 14 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 220 | 196 | 143 | 173 | 121 | 114 | 113 | 109 | 59 | 437 | 350 | 88 | 129 | 264 | 251 | 239 | 201 | 172 | 168 | 168 | 168 | 145 | 145 |
Swell 2 Height (m) Direction Period (s) | S 10 | S 10 | NNW 14 | S 11 | SSW 10 | SSW 9 | SSW 10 | SSW 10 | E 15 | E 14 | NW 12 | NNW 12 | NNW 12 | E 14 | E 13 | E 12 | E 12 | E 14 | E 14 | E 14 | E 13 | E 11 | E 14 |
| kJ | 49 | 46 | 180 | 65 | 56 | 17 | 18 | 39 | 104 | 100 | 69 | 56 | 55 | 183 | 173 | 148 | 150 | 253 | 194 | 183 | 121 | 55 | 97 |
Swell 3 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSE 13 | SSE 8 | SSE 7 | SSE 7 | SSE 7 | E 15 | SW 10 | NNW 12 | E 14 | SSE 7 | SSE 6 | NNW 12 | NNW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 10 | E 14 | E 11 |
| kJ | 35 | 32 | 17 | 11 | 9 | 9 | 9 | 67 | 23 | 56 | 91 | 9 | 8 | 53 | 47 | 30 | 30 | 30 | 30 | 30 | 20 | 92 | 37 |
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 | — | — | E 8 | E 8 | — | SSE 6 | S 6 | S 6 | S 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 |
| kJ | 915 | 847 | 748 | 730 | 629 | 574 | 509 | 497 | 485 | — | — | 341 | 341 | — | 8 | 7 | 27 | 47 | 66 | 68 | 51 | 37 | 36 |
Nearest Offshore or Glassy | |||||||||||||||||||||||
Distance (km) | 50 | 52 | 48 | 50 | 44 | 44 | 15 | 9 | 9 | 9 | 5 | 9 | 5 | 48 | 49 | 50 | 48 | 48 | 50 | 5 | 5 | 5 | 50 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||||
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