Surf Forecasts:
How big are the waves at Hanalei Bay today (18 Aug):
- Morning surf: Morning surf (18 Aug, local time) - 4ft (1.2m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (18 Aug, local time) - 3.5ft (1.1m), 7s period with ENE swell.
- Evening surf: Evening surf (18 Aug, local time) - 3.5ft (1.1m), 7s period with ENE swell.
The current surf forecast for Hanalei Bay at 10PM is: 1.1m 7s primary swell from a East-northeast direction and 0.4m 12s secondary swell from a West-northwest direction (forecast issued at 01:00pm August 18). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 Aug) | 4ft (1.2m) | 7s |
| Afternoon (18 Aug) | 3.5ft (1.1m) | 7s |
| Evening (18 Aug) | 3.5ft (1.1m) | 7s |
Table - waves today at Hanalei Bay. (Swell directed towards the surf break)
Short Range ForecastMostly dry. Warm (max 28°C on Fri morning, min 23°C on Tue night). Wind will be generally light. | |||||||||||||||||||||
Tue 18 | Wednesday 19 | Thursday 20 | |||||||||||||||||||
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 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | E 6 | E 7 | E 9 | E 9 | E 9 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 |
Wave Graph  | |||||||||||||||||||||
 kJ | 154 | 121 | 117 | 121 | 118 | 111 | 79 | 71 | 95 | 95 | 94 | 86 | 65 | 66 | 86 | 84 | 80 | 61 | 60 | 42 | 43 |
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-off | cross-off | cross | cross-off | cross-off | cross-off |
High Tide | 4:36PM0.34m | 8:57AM0.53m | 10:21AM0.56m | ||||||||||||||||||
Low Tide | 2:22PM0.29m | 11:58PM0.08m | 00:46AM0.09m | ||||||||||||||||||
 | |  |  | | | | | | | |  | | | | | | | | | | |
 | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — | — | 6:16 | — | — | — | — | — | — |
 | — | — | 7:07 | — | — | — | — | — | — | — | 7:06 | — | — | — | — | — | — | — | 7:05 | — | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 26 | 24 | 24 | 24 | 23 | 25 | 26 | 27 | 26 | 24 | 24 | 24 | 24 | 25 | 26 | 27 | 26 | 25 | 24 |
Feels °C | 26 | 26 | 26 | 25 | 25 | 25 | 24 | 26 | 27 | 27 | 27 | 25 | 26 | 26 | 26 | 26 | 27 | 28 | 28 | 28 | 28 |
Swell 1 Height (m) Direction Period (s) | ENE 7 | WNW 13 | WNW 12 | WNW 12 | ENE 7 | ENE 7 | E 6 | E 7 | E 9 | NE 6 | NE 6 | E 8 | E 8 | E 8 | NE 7 | NE 7 | E 8 | E 8 | E 8 | NE 6 | NE 6 |
| kJ | 121 | 55 | 49 | 48 | 118 | 111 | 79 | 71 | 95 | 42 | 38 | 86 | 65 | 66 | 52 | 52 | 80 | 61 | 60 | 42 | 43 |
Swell 2 Height (m) Direction Period (s) | WNW 13 | E 9 | WSW 6 | WSW 7 | WNW 12 | WNW 12 | NE 7 | NE 7 | NE 7 | WNW 11 | WNW 11 | NE 6 | NE 6 | NE 7 | E 8 | E 8 | NE 6 | WSW 9 | W 10 | E 8 | E 8 |
| kJ | 57 | 15 | 4 | 4 | 48 | 48 | 24 | 49 | 46 | 24 | 24 | 30 | 30 | 43 | 86 | 84 | 47 | 7 | 33 | 42 | 42 |
Swell 3 Height (m) Direction Period (s) | WSW 7 | WSW 6 | SSE 10 | SSE 10 | WSW 7 | NNE 7 | WNW 12 | WNW 12 | WNW 12 | WSW 7 | WSW 8 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WNW 11 | WSW 9 | W 11 | SSW 17 | W 10 | W 10 |
| kJ | 4 | 4 | 9 | 9 | 5 | 5 | 47 | 47 | 45 | 5 | 6 | 24 | 23 | 23 | 23 | 23 | 8 | 9 | 29 | 31 | 31 |
Wind waves Height (m) Direction Period (s) | E 7 | ENE 7 | E 7 | ENE 7 | — | — | — | — | — | E 9 | E 9 | — | — | — | — | — | — | NE 6 | NE 7 | — | — |
| kJ | 154 | 121 | 117 | 121 | — | — | — | — | — | 95 | 94 | — | — | — | — | — | — | 47 | 46 | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 35 | 35 | 34 | 34 | 34 | 0 | 0 | 0 | 34 | 34 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 34 | 0 | 0 | 0 |
Best forecast wave conditions in Kaua'i | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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