Surf Forecasts:
How big are the waves at Hanalei Bay today (21 Sep):
- Morning surf: Morning surf (21 Sep, local time) - 5.5ft (1.7m), 8s period with E swell.
- Afternoon surf: Afternoon surf (21 Sep, local time) - 5ft (1.6m), 8s period with E swell.
- Evening surf: Evening surf (21 Sep, local time) - 4.5ft (1.4m), 8s period with ENE swell.
The current surf forecast for Hanalei Bay at 1AM is: 1.7m 8s primary swell from a East direction and 0.2m 10s secondary swell from a North-northwest direction (forecast issued at 07:00pm September 20). An open ocean swell of 0.2m 14s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Sep) | 5.5ft (1.7m) | 8s |
| Afternoon (21 Sep) | 5ft (1.6m) | 8s |
| Evening (21 Sep) | 4.5ft (1.4m) | 8s |
Table - waves today at Hanalei Bay. (Swell directed towards the surf break)
Short Range ForecastLight rain (total 3mm), mostly falling on Tue night. Warm (max 27°C on Tue morning, min 24°C on Sun night). Wind will be generally light. | |||||||||||||||||||
Sun 20 | Monday 21 | Tuesday 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) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 349 | 341 | 333 | 374 | 494 | 365 | 359 | 324 | 294 | 309 | 277 | 270 | 264 | 270 | 270 | 270 | 235 | 240 | 234 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross | cross-off | cross-off |
High Tide | 11:39PM0.25m | 12:05PM0.61m | 00:14AM0.30m | 12:38PM0.62m | |||||||||||||||
Low Tide | 6:45PM0.15m | 4:08AM0.12m | 6:50PM0.14m | 5:02AM0.10m | 6:59PM0.12m | ||||||||||||||
 |  | | | |  | | | | | |  | | | | | | |  | |
 | — | — | — | — | 6:26 | — | — | — | — | — | — | — | 6:26 | — | — | — | — | — | — |
 | 6:36 | — | — | — | — | — | — | — | 6:35 | — | — | — | — | — | — | — | 6:34 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 |
Temp °C | 26 | 25 | 25 | 25 | 24 | 25 | 26 | 26 | 26 | 24 | 25 | 25 | 24 | 25 | 27 | 27 | 26 | 25 | 25 |
Feels °C | 27 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 25 | 27 | 27 | 26 | 27 | 29 | 29 | 28 | 27 | 28 |
Swell 1 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 14 | E 8 | W 11 | W 11 | E 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | E 8 |
| kJ | 42 | 42 | 42 | 21 | 365 | 9 | 9 | 324 | 294 | 309 | 277 | 270 | 264 | 270 | 270 | 270 | 235 | 240 | 234 |
Swell 2 Height (m) Direction Period (s) | N 11 | N 11 | NNW 10 | NNW 10 | SSW 14 | N 10 | NNW 10 | W 11 | SSW 14 | W 13 | N 14 | N 13 | N 12 | NNW 12 | NNW 12 | NNW 11 | NNW 11 | NNW 11 | NNW 11 |
| kJ | 9 | 9 | 11 | 11 | 20 | 8 | 10 | 9 | 18 | 13 | 32 | 86 | 108 | 150 | 186 | 167 | 161 | 158 | 153 |
Swell 3 Height (m) Direction Period (s) | W 12 | W 12 | W 12 | W 12 | N 10 | SSW 14 | N 10 | NNW 10 | W 11 | N 14 | W 13 | SSW 13 | SSW 13 | W 12 | W 12 | W 12 | W 12 | W 11 | W 11 |
| kJ | 11 | 11 | 11 | 11 | 8 | 20 | 8 | 9 | 9 | 16 | 13 | 17 | 17 | 11 | 11 | 11 | 11 | 10 | 9 |
Wind waves Height (m) Direction Period (s) | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 349 | 341 | 333 | 374 | 494 | 365 | 359 | — | — | — | — | — | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 34 | 35 | 36 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 1 | 0 | 29 | 29 | 29 | 29 | 0 | 0 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
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