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Surf Forecasts:
Tunnels surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 7 am Monday 23 Mar 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 slightly warmer than usual)How big are the waves at Tunnels today?
The current surf forecast for Tunnels at 3PM is: 1.0m 9s primary swell from a Northeast direction and 1.1m 8s secondary swell from a North direction, 0.7m 4s secondary swell from a Northeast direction (forecast issued at 07:00am March 23). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (23 Mar) | 3.5ft (1.1m) | 10s |
| Afternoon (23 Mar) | 3.5ft (1.0m) | 9s |
| Evening (23 Mar) | 4ft (1.2m) | 9s |
Table - waves today at Tunnels. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Monday 23 | Tuesday 24 | Wednesday 25 | Thu 26 | |||||||||||||||||||||
| 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) (?) | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 11 | 11 | 11 | 8 | 9 | 8 | 8 | 8 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 262 | 277 | 235 | 166 | 168 | 212 | 287 | 196 | 233 | 332 | 361 | 363 | 467 | 485 | 414 | 423 | 435 | 298 | 427 | 470 | 403 | 470 | 380 | 349 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross- off | cross- off | cross | cross | cross | cross | cross | cross- off |
High Tide / height (m) | 4:18AM 0.19 | 7:16PM 0.57 | 8:38PM 0.56 | 9:59PM 0.57 | ||||||||||||||||||||
Low Tide / height (m) | 10:34AM -0.07 | 11:24AM -0.04 | 12:45PM -0.01 | |||||||||||||||||||||
Monday 23 | Tuesday 24 | Wednesday 25 | Thu 26 | |||||||||||||||||||||
| Sunrise | - | 6:39 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - |
| Sunset | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:50 | - | - | - | - | - | - | - | 6:51 | - | - | - |
 |  |  | | |  | |  | | | | | | | | | |  | | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | 1 | 1 | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 21 | 22 | 23 | 23 | 23 | 22 | 22 | 21 | 21 | 22 | 22 | 23 | 22 | 22 | 22 | 21 | 21 | 21 | 22 | 23 | 22 | 21 | 21 | 21 |
| Feels °C (?) | 20 | 21 | 22 | 21 | 21 | 20 | 20 | 19 | 19 | 20 | 20 | 21 | 19 | 19 | 19 | 19 | 18 | 19 | 19 | 21 | 20 | 18 | 18 | 19 |
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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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