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Surf Forecasts:
Hanalei Bay surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 7 pm Tuesday 16 Dec 2025 HSTForecast update in hr min s Forecast update imminent
Hanalei Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Hanalei Bay sea temperature is
25.6° C
(Which is slightly warmer than usual)How big are the waves at Hanalei Bay today?
The current surf forecast for Hanalei Bay at 10PM is: 1.4m 13s primary swell from a North direction and 1.5m 10s secondary swell from a West-northwest direction (forecast issued at 07:00pm December 16). An open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 4.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 Dec) | - | - |
| Afternoon (16 Dec) | 4.5ft (1.4m) | 12s |
| Evening (16 Dec) | 4.5ft (1.4m) | 12s |
Table - waves today at Hanalei Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| 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 | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 11 | 12 | 13 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 14 | 14 | 13 | 13 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 12 | 11 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 372 | 575 | 563 | 640 | 1625 | 1876 | 1738 | 1507 | 1180 | 947 | 874 | 789 | 1373 | 1452 | 1739 | 1687 | 1584 | 1483 | 1435 | 1413 | 1269 | 1248 | 1187 | 987 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- off | cross- off | cross- off | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross | glass | glass | on | on | glass | glass | off | glass | cross- off | glass | cross- on |
High Tide / height (m) | 1:48AM 0.67 | 12:34PM 0.20 | 2:19AM 0.69 | 1:13PM 0.18 | 2:51AM 0.69 | 1:49PM 0.17 | ||||||||||||||||||
Low Tide / height (m) | 5:31PM -0.03 | 8:56AM 0.14 | 6:02PM -0.04 | 9:27AM 0.12 | 6:34PM -0.05 | 9:57AM 0.11 | ||||||||||||||||||
Tuesday 16 | Wednesday 17 | Thursday 18 | Friday 19 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:09 | - | - | - | - | - | - | - | 7:11 | - | - | - | - | - | - | - | 7:11 | - | - |
| Sunset | 5:57 | - | - | - | - | - | - | - | 5:57 | - | - | - | - | - | - | - | 5:57 | - | - | - | - | - | - | - |
 |  | |  | |  | | | |  | | | |  |  | | | | | | | | | | |
Rain (mm) | - | - | - | - | - | 2 | 2 | 3 | 3 | 2 | 1 | 1 | 1 | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 2 | - | - |
| Temp. °C | 27 | 24 | 24 | 23 | 23 | 23 | 25 | 25 | 24 | 23 | 23 | 23 | 22 | 23 | 25 | 24 | 23 | 22 | 22 | 22 | 22 | 22 | 25 | 25 |
| Feels °C (?) | 29 | 26 | 25 | 24 | 24 | 24 | 27 | 26 | 25 | 25 | 25 | 25 | 24 | 26 | 28 | 26 | 25 | 25 | 25 | 24 | 24 | 23 | 27 | 27 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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