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Surf Forecasts:
Tunnels surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 7 am Friday 17 Apr 2026 HSTForecast update in hr min s Forecast update imminent
Tunnels surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tunnels sea temperature is
24.3° C
(Which is normal for this time of year)How big are the waves at Tunnels today?
The current surf forecast for Tunnels at 3PM is: 0.4m 11s primary swell from a West-northwest direction and 0.7m 7s secondary swell from a East direction (forecast issued at 07:00am April 17). An open ocean swell of 0.4m 13s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Apr) | 1.5ft (0.4m) | 12s |
| Afternoon (17 Apr) | 2.5ft (0.7m) | 7s |
| Evening (17 Apr) | 1.5ft (0.4m) | 11s |
Table - waves today at Tunnels. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| 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 | 2 AM | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 12 | 12 | 12 | 11 | 7 | 11 | 11 | 12 | 12 | 6 | 6 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 13 | 12 | 12 | 12 | 12 | 12 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 37 | 36 | 52 | 49 | 48 | 47 | 30 | 72 | 72 | 109 | 113 | 171 | 107 | 110 | 88 | 84 | 135 | 80 | 104 | 92 | 90 | 89 | 93 | 83 |
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- off | cross- off | cross- off | cross- off | cross- off | glass | cross | cross- off | cross- off | cross- off | cross- off | cross | glass | cross- on | on | cross- off | cross- off | off |
High Tide / height (m) | 2:06AM 0.32 | 3:18PM 0.65 | 2:37AM 0.27 | 4:04PM 0.68 | 3:10AM 0.21 | 4:55PM 0.68 | ||||||||||||||||||
Low Tide / height (m) | 7:42AM -0.11 | 9:26PM 0.07 | 8:12AM -0.12 | 10:33PM 0.09 | 8:46AM -0.12 | 11:56PM 0.10 | ||||||||||||||||||
Friday 17 | Saturday 18 | Sunday 19 | Mon 20 | |||||||||||||||||||||
| Sunrise | - | 6:16 | - | - | - | - | - | - | - | 6:16 | - | - | - | - | - | - | - | 6:15 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:59 | - | - | - | - | - | - | - | 6:59 | - | - | - | - | - | - | - | 6:59 | - | - | - |
 |  | |  | |  |  | |  | |  |  | | | | | | |  | | |  | | | |
Rain (mm) | - | - | - | - | - | 3 | - | - | - | - | - | 1 | 2 | - | - | - | 3 | 3 | 4 | 3 | 1 | 2 | 1 | - |
| Temp. °C | 23 | 23 | 24 | 25 | 24 | 24 | 23 | 23 | 23 | 24 | 26 | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 22 | 22 | 20 | 20 | 21 | 22 |
| Feels °C (?) | 25 | 24 | 24 | 25 | 24 | 25 | 21 | 23 | 23 | 25 | 28 | 28 | 27 | 25 | 24 | 24 | 24 | 25 | 24 | 24 | 22 | 21 | 20 | 24 |
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Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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