Surf Forecasts:
How big are the waves at Waimanalo today (27 Sep):
- Morning surf: Morning surf (27 Sep, local time) - 13ft (4.0m), 9s period with E swell.
- Afternoon surf: Afternoon surf (27 Sep, local time) - 11ft (3.5m), 9s period with E swell.
- Evening surf: Evening surf (27 Sep, local time) - 10ft (3.0m), 9s period with E swell.
The current surf forecast for Waimanalo at 5AM is: 4.0m 9s primary swell from a East direction (forecast issued at 01:00am September 27). An open ocean swell of 0.4m 10s is not directed at the surf break, a second open ocean swell of 0.4m 15s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (27 Sep) | 13ft (4.0m) | 9s |
| Afternoon (27 Sep) | 11ft (3.5m) | 9s |
| Evening (27 Sep) | 10ft (3.0m) | 9s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Short Range ForecastSome drizzle, heaviest during Tue night. Warm (max 27°C on Tue afternoon, min 25°C on Sun morning). Winds decreasing (strong winds from the ENE on Sun morning, light winds from the E by Tue morning). | ||||||||||||||||||||||||
Sunday 27 | Monday 28 | Tuesday 29 | ||||||||||||||||||||||
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 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 |
Wave Graph  | ||||||||||||||||||||||||
 kJ | 2549 | 2584 | 2456 | 2423 | 2130 | 1755 | 1483 | 1204 | 1071 | 866 | 792 | 792 | 730 | 614 | 509 | 509 | 497 | 485 | 437 | 341 | 341 | 301 | 264 | 223 |
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-on | cross-on | cross-on | cross-on | cross-off | cross-on | cross-on | cross-on | cross | cross-on | cross-off |
High Tide | 3:06AM0.58m | 2:31PM0.52m | 3:51AM0.62m | 2:47PM0.48m | 4:42AM0.63m | 2:59PM0.44m | ||||||||||||||||||
Low Tide | 8:53AM0.16m | 8:58PM-0.01m | 9:40AM0.21m | 9:26PM-0.03m | 10:35AM0.26m | 9:58PM-0.03m | ||||||||||||||||||
 |  |  |  | | | | | | | | | | | | | | | | | | | | | |
 | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | — | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:21 | — | — | — | — | — | — | — | 6:20 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 27 | 27 | 26 | 26 |
Feels °C | 18 | 19 | 19 | 19 | 21 | 22 | 22 | 21 | 22 | 23 | 24 | 24 | 26 | 25 | 25 | 26 | 28 | 27 | 28 | 27 | 28 | 27 | 27 | 27 |
Swell 1 Height (m) Direction Period (s) | NW 15 | SE 10 | SSE 10 | SSE 10 | SSE 10 | SSE 10 | NNW 18 | NNW 16 | NNW 16 | NNW 16 | NNW 15 | NNW 14 | NNW 14 | NNW 14 | NNW 13 | NNW 13 | NNW 13 | ENE 8 | ENE 8 | E 8 | E 13 | E 8 | ENE 8 | ENE 8 |
| kJ | 54 | 27 | 43 | 63 | 60 | 58 | 174 | 177 | 226 | 220 | 196 | 180 | 173 | 121 | 114 | 113 | 109 | 485 | 437 | 341 | 88 | 301 | 264 | 223 |
Swell 2 Height (m) Direction Period (s) | SE 10 | NW 15 | SSW 16 | SSW 15 | NNW 18 | NNW 18 | S 10 | SSE 10 | SSE 9 | SSE 9 | SSE 9 | S 8 | S 8 | SSE 13 | S 7 | SSE 7 | E 15 | NNW 12 | E 14 | E 14 | NNW 12 | E 14 | E 14 | E 13 |
| kJ | 28 | 54 | 47 | 45 | 66 | 124 | 51 | 31 | 28 | 28 | 27 | 20 | 19 | 34 | 15 | 16 | 67 | 59 | 100 | 91 | 56 | 175 | 183 | 173 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | SSW 16 | NW 14 | NW 13 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSE 13 | S 7 | E 15 | E 14 | SSE 7 | E 15 | NW 12 | NW 12 | SSE 7 | S 6 | SSE 6 | S 6 |
| kJ | 48 | 48 | 32 | 28 | 42 | 41 | 40 | 39 | 38 | 38 | 38 | 36 | 35 | 10 | 38 | 37 | 15 | 104 | 71 | 69 | 15 | 22 | 13 | 12 |
Wind waves Height (m) Direction Period (s) | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | — | — | E 8 | — | — | — |
| kJ | 2549 | 2584 | 2456 | 2423 | 2130 | 1755 | 1483 | 1204 | 1071 | 866 | 792 | 792 | 730 | 614 | 509 | 509 | 497 | — | — | — | 341 | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 146 | 120 | 138 | 138 | 138 | 120 | 117 | 118 | 116 | 50 | 57 | 48 | 9 | 17 | 44 | 9 | 9 | 0 | 9 | 9 | 5 | 23 | 48 | 7 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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