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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 1 pm Sunday 17 May 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
24.7° C
(Which is normal for this time of year)How big are the waves at Waimea Rivermouth today?
The current surf forecast for Waimea Rivermouth at 7PM is: 0.7m 15s primary swell from a South-southwest direction and 0.7m 11s secondary swell from a South-southeast direction, 1.1m 8s secondary swell from a East direction (forecast issued at 01:00pm May 17). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 2.5ft (0.7m) | 15s |
| Afternoon (17 May) | 2.5ft (0.7m) | 15s |
| Evening (17 May) | 2.5ft (0.7m) | 15s |
Table - waves today at Waimea Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Mon afternoon. Warm (max 26°C on Sun afternoon, min 23°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 | 5 AM | 8 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | E 8 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | SSW 17 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | E 8 | E 8 | |
196 | 196 | 196 | 193 | 191 | 186 | 183 | 183 | 195 | 372 | 378 | 324 | 318 | 257 | 217 | 217 | 208 | 344 | 242 | 228 | 243 | 165 | 251 | 264 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross-off | off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 5:03PM0.62m | 4:04AM0.12m | 5:53PM0.61m | 4:59AM0.11m | 6:45PM0.58m | 6:11AM0.10m | ||||||||||||||||||
Low Tide | 9:21AM-0.14m | 00:40AM0.08m | 10:02AM-0.13m | 1:53AM0.08m | 10:46AM-0.10m | 3:05AM0.07m | ||||||||||||||||||
 | | |  | | | |  | |  | |  | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — |
 | — | — | 7:10 | — | — | — | — | — | — | — | 7:12 | — | — | — | — | — | — | — | 7:12 | — | — | — | — | 7:12 |
— | — | — | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | |
Temp °C | 26 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 25 | 25 | 26 | 24 | 24 | 23 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 24 |
28 | 28 | 28 | 28 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 25 | 26 | 24 | 25 | 25 | 27 | 27 | 26 | 25 | 25 | 23 | 23 | 24 | |
Swell 1 Height (m) Direction Period (s) | SE 11 | SSW 15 | SE 11 | SSE 11 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 14 | SSW 14 | SSW 14 | SSW 17 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 |
 kJ | 119 | 196 | 119 | 76 | 191 | 186 | 183 | 183 | 180 | 183 | 107 | 143 | 102 | 102 | 104 | 154 | 158 | 344 | 242 | 228 | 243 | 165 | 158 | 158 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SE 9 | SSW 15 | SSW 15 | SSE 11 | NNE 6 | NNE 7 | NNE 7 | NE 7 | NE 8 | NE 7 | SSE 10 | NE 7 | NE 7 | NW 11 | NNW 12 | SE 9 | NNW 10 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NE 8 | NE 8 |
| kJ | 196 | 51 | 196 | 193 | 75 | 26 | 30 | 31 | 30 | 35 | 34 | 65 | 21 | 21 | 61 | 91 | 43 | 72 | 76 | 75 | 94 | 68 | 39 | 40 |
Swell 3 Height (m) Direction Period (s) | NNW 10 | NNW 10 | NNE 6 | NNE 6 | NNE 6 | SSE 10 | SSE 10 | SSE 8 | SSE 10 | SSW 19 | SE 7 | NE 7 | SE 10 | SE 10 | NE 7 | SSW 18 | SSW 18 | SE 9 | SE 7 | SE 9 | SE 7 | SE 7 | NNW 10 | NNW 10 |
| kJ | 38 | 37 | 28 | 27 | 20 | 72 | 69 | 23 | 67 | 148 | 28 | 23 | 48 | 47 | 21 | 176 | 120 | 43 | 21 | 53 | 19 | 18 | 42 | 62 |
Wind waves Height (m) Direction Period (s) | ENE 8 | E 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | E 8 | E 8 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | E 8 | E 8 | E 6 | NNE 5 | E 5 | NE 6 | E 8 | E 8 |
| kJ | 244 | 169 | 169 | 216 | 176 | 207 | 176 | — | 195 | 372 | 378 | 324 | 318 | 257 | 217 | 217 | 208 | 277 | 180 | 5 | 110 | 17 | 251 | 264 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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