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Surf Forecasts:
Tunnels surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 7 pm Tuesday 21 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
24.8° C
(Which is normal for this time of year)How big are the waves at Tunnels today?
The current surf forecast for Tunnels at 1AM is: 1.1m 14s primary swell from a Northwest direction and 0.8m 15s secondary swell from a North-northeast direction (forecast issued at 07:00pm April 21). The wind direction is predicted to be cross-offshore and the swell rating is 3.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 Apr) | 4ft (1.2m) | 13s |
| Afternoon (22 Apr) | 4.5ft (1.3m) | 13s |
| Evening (22 Apr) | 3.5ft (1.1m) | 13s |
Table - waves today at Tunnels. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||||||
| 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) (?) | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 13 | 12 | 13 | 12 | 12 | 11 | 11 | 11 | 10 | 15 | 10 | 10 | 10 | 10 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 283 | 205 | 275 | 529 | 337 | 525 | 509 | 512 | 466 | 370 | 353 | 330 | 256 | 291 | 305 | 210 | 272 | 240 | 261 | 256 | 314 | 181 | 194 | 157 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross | cross | cross- off | cross- off | cross- off | cross | cross | cross | cross | cross | cross | cross- off | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross |
High Tide / height (m) | 6:56PM 0.63 | 6:02AM 0.09 | 8:06PM 0.59 | 8:24AM 0.10 | 9:16PM 0.56 | 10:18AM 0.16 | ||||||||||||||||||
Low Tide / height (m) | 3:38AM 0.07 | 11:03AM -0.02 | 4:23AM 0.05 | 12:30PM 0.03 | 4:53AM 0.03 | |||||||||||||||||||
Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:11 | - | - | - | - | - | - | - | 6:11 | - | - |
| Sunset | 7:00 | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | - | 7:00 | - | - | - | - | - | - | - |
 |  | | | |  | |  | |  | | | | |  | | | | | | | | | | |
Rain (mm) | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 25 | 24 | 23 | 23 | 23 | 22 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 22 | 23 | 23 |
| Feels °C (?) | 26 | 27 | 27 | 26 | 25 | 25 | 25 | 26 | 25 | 24 | 24 | 24 | 23 | 24 | 23 | 22 | 22 | 22 | 22 | 21 | 21 | 21 | 22 | 21 |
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Live Wave Height (m)
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Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Tunnels surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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