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Waimea Rivermouth Surf Forecast
/ HAW – Kaua'i (25 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Waimea Rivermouth surfForecast / HAW – Kaua'i / USA
48hr Weather and Surf, issued 7 pm Friday 20 Feb 2026 HSTForecast update in hr min s Forecast update imminent
Waimea Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waimea Rivermouth sea temperature is
24.5° C
(Which is slightly warmer than usual)How big are the waves at Waimea Rivermouth today?
The current surf forecast for Waimea Rivermouth at 3AM is: 0.7m 7s primary swell from a South direction (forecast issued at 07:00pm February 20). An open ocean swell of 0.8m 9s is not directed at the surf break. The wind direction is predicted to be glassy.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (21 Feb) | 2ft (0.6m) | 6s |
| Afternoon (21 Feb) | 1.5ft (0.5m) | 6s |
| Evening (21 Feb) | 1.5ft (0.4m) | 6s |
Table - waves today at Waimea Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| 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) (?) | 7 | 6 | 6 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 13 | 13 | 13 | 13 | 13 | 12 | 18 | 18 | 16 | 16 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 51 | 32 | 44 | 44 | 31 | 28 | 21 | 20 | 20 | 12 | 12 | 11 | 6 | 10 | 55 | 31 | 31 | 45 | 45 | 27 | 0 | 0 | 0 | 0 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | glass | glass | glass | glass | glass | on | cross- on | cross | cross- off | glass | glass | glass | glass | glass | cross- on | cross | off | cross- off | glass | off | off | glass | glass |
High Tide / height (m) | 6:31PM 0.35 | 5:46AM 0.30 | 7:34PM 0.38 | 6:02AM 0.24 | 8:49PM 0.40 | 5:30AM 0.19 | ||||||||||||||||||
Low Tide / height (m) | 12:19AM 0.11 | 12:27PM -0.04 | 1:39AM 0.17 | 1:01PM -0.05 | 4:54AM 0.20 | 1:46PM -0.04 | ||||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:05 | - | - | - | - | - | - | - | 7:03 | - | - |
| Sunset | 6:37 | - | - | - | - | - | - | - | 6:37 | - | - | - | - | - | - | - | 6:38 | - | - | - | - | - | - | - |
 |  |  |  |  |  |  | | |  | | | | | | | |  | | | | | | | |
Rain (mm) | 2 | 2 | 1 | - | - | - | - | 1 | 1 | - | - | - | - | - | - | 1 | 1 | 1 | 1 | - | - | - | - | 1 |
| Temp. °C | 23 | 22 | 21 | 21 | 21 | 21 | 23 | 23 | 23 | 22 | 21 | 21 | 20 | 21 | 23 | 23 | 23 | 21 | 21 | 21 | 20 | 21 | 23 | 23 |
| Feels °C (?) | 24 | 24 | 23 | 23 | 23 | 22 | 24 | 23 | 24 | 24 | 23 | 23 | 22 | 23 | 24 | 24 | 24 | 22 | 22 | 22 | 21 | 22 | 25 | 25 |
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Ocean Swells (m)- Wind Speed (km/h)
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