Surf Forecasts:
How big are the waves at Waimanalo today (29 Sep):
- Morning surf: Morning surf (29 Sep, local time) - 5.5ft (1.7m), 8s period with ENE swell.
- Afternoon surf: Afternoon surf (29 Sep, local time) - 5ft (1.5m), 8s period with E swell.
- Evening surf: Evening surf (29 Sep, local time) - 4.5ft (1.4m), 8s period with ENE swell.
The current surf forecast for Waimanalo at 4AM is: 1.8m 8s primary swell from a East-northeast direction and 0.4m 12s secondary swell from a North-northwest direction (forecast issued at 07:00pm September 28). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (29 Sep) | 5.5ft (1.7m) | 8s |
| Afternoon (29 Sep) | 5ft (1.5m) | 8s |
| Evening (29 Sep) | 4.5ft (1.4m) | 8s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Short Range ForecastHeavy rain (total 25mm), heaviest during Tue night. Warm (max 27°C on Tue afternoon, min 25°C on Mon night). Wind will be generally light. | |||||||||||||||||||
Mon 28 | Tuesday 29 | Wednesday 30 | |||||||||||||||||
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 | E 8 | E 8 | ENE 8 | ENE 8 | E 8 | ENE 8 | E 14 | E 14 | E 14 | E 13 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 688 | 560 | 509 | 460 | 437 | 392 | 350 | 341 | 301 | 257 | 223 | 212 | 183 | 253 | 194 | 183 | 165 | 121 | 121 |
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 | cross | cross | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 2:47PM0.48m | 4:42AM0.63m | 2:59PM0.44m | 5:41AM0.62m | 3:00PM0.40m | ||||||||||||||
Low Tide | 9:26PM-0.03m | 10:35AM0.26m | 9:58PM-0.03m | 11:46AM0.31m | 10:36PM-0.02m | ||||||||||||||
 |  |  | | |  | | | | | |  | |  | | | | | | |
 | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — |
 | 6:21 | — | — | — | — | — | — | — | 6:20 | — | — | — | — | — | — | — | 6:19 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | 1 | 3 | 1 | 1 | 2 | 3 | 2 | 3 |
Temp °C | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 25 | 26 | 26 | 25 | 26 | 28 | 27 | 27 | 28 | 27 | 27 | 26 | 27 | 26 | 26 | 26 | 26 | 27 | 26 |
Swell 1 Height (m) Direction Period (s) | NNW 14 | NNW 13 | ENE 8 | NNW 13 | ENE 8 | ENE 8 | ENE 8 | E 13 | E 14 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
| kJ | 121 | 114 | 509 | 109 | 437 | 392 | 350 | 88 | 129 | 257 | 223 | 212 | 183 | 178 | 145 | 145 | 142 | 121 | 121 |
Swell 2 Height (m) Direction Period (s) | S 10 | SSW 9 | NNW 13 | SSW 10 | NNW 12 | 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 14 | E 14 |
| kJ | 51 | 17 | 113 | 40 | 59 | 100 | 69 | 56 | 55 | 183 | 173 | 148 | 150 | 253 | 194 | 183 | 165 | 92 | 97 |
Swell 3 Height (m) Direction Period (s) | SSE 7 | SSE 7 | SSW 12 | E 15 | E 15 | NW 12 | E 14 | SSE 7 | SSE 6 | NNW 12 | NNW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 10 | E 11 | E 11 |
| kJ | 10 | 9 | 57 | 67 | 104 | 71 | 91 | 9 | 8 | 53 | 48 | 30 | 30 | 30 | 30 | 30 | 20 | 56 | 37 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | — | ENE 8 | — | — | — | E 8 | E 8 | — | — | S 6 | SSE 7 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | SSE 6 | S 6 |
| kJ | 688 | 560 | — | 460 | — | — | — | 341 | 301 | — | — | 7 | 15 | 35 | 46 | 51 | 37 | 35 | 24 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 44 | 44 | 9 | 14 | 9 | 9 | 9 | 15 | 50 | 48 | 50 | 50 | 48 | 48 | 50 | 5 | 5 | 50 | 50 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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