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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 Saturday 16 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
24.5° C
(Which is slightly cooler than normal)How big are the waves at Waimea Rivermouth today?
The current surf forecast for Waimea Rivermouth at 8PM is: 1.2m 8s primary swell from a East direction (forecast issued at 01:00pm May 16). An open ocean swell of 0.6m 7s is not directed at the surf break, a second open ocean swell of 0.6m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (16 May) | 3.5ft (1.1m) | 8s |
| Afternoon (16 May) | 4ft (1.2m) | 8s |
| Evening (16 May) | 4ft (1.2m) | 8s |
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 5mm), mostly falling on Sat afternoon. Warm (max 26°C on Sun morning, min 23°C on Sun night). Wind will be generally light. | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 | E 8 | E 8 | E 8 | E 8 | SSW 17 | SSE 12 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | E 8 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | E 8 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | |
86 | 157 | 187 | 191 | 161 | 112 | 53 | 196 | 196 | 196 | 234 | 298 | 191 | 186 | 163 | 183 | 160 | 398 | 381 | 361 | 323 | 251 | 217 | 217 | |
Wind (km/h) | ||||||||||||||||||||||||
glassy | cross | cross-off | cross-off | cross-off | off | off | glassy | cross | 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-off | |
High Tide | 4:16PM0.61m | 3:17AM0.15m | 5:03PM0.62m | 4:04AM0.12m | 5:53PM0.61m | 4:59AM0.11m | ||||||||||||||||||
Low Tide | 8:43AM-0.14m | 11:34PM0.08m | 9:21AM-0.14m | 00:40AM0.08m | 10:02AM-0.13m | 1:53AM0.08m | ||||||||||||||||||
 |  |  |  | | | | | |  | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:58 | — |
 | — | — | 7:10 | — | — | — | — | — | — | — | 7:10 | — | — | — | — | — | — | — | 7:12 | — | — | — | — | 7:12 |
— | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | |
Temp °C | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 25 | 26 | 26 | 26 | 25 | 24 | 24 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 23 | 23 | 24 |
28 | 27 | 27 | 28 | 26 | 27 | 27 | 27 | 28 | 27 | 27 | 27 | 25 | 26 | 24 | 26 | 27 | 26 | 27 | 25 | 26 | 24 | 24 | 25 | |
Swell 1 Height (m) Direction Period (s) | NNE 7 | NW 11 | NNW 10 | NNE 7 | NE 7 | NNW 10 | NNE 7 | SSW 15 | SE 10 | SSW 15 | SE 11 | SE 11 | SSW 15 | SSW 14 | NE 7 | SSW 14 | NE 7 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SSW 14 | SSW 14 |
 kJ | 48 | 90 | 71 | 36 | 42 | 68 | 34 | 196 | 76 | 196 | 119 | 117 | 191 | 186 | 39 | 183 | 44 | 183 | 147 | 143 | 102 | 102 | 104 | 154 |
Swell 2 Height (m) Direction Period (s) | NW 11 | NNE 7 | NNE 7 | NNW 10 | NNW 10 | NNE 7 | NNW 10 | NNE 7 | SSW 15 | SE 9 | SSW 15 | SSW 15 | SSE 11 | SSE 10 | SSW 14 | NE 7 | SSW 14 | NE 6 | SSE 10 | SE 10 | NE 7 | NE 6 | NW 11 | NNW 12 |
| kJ | 94 | 37 | 37 | 68 | 68 | 33 | 68 | 31 | 196 | 64 | 196 | 193 | 99 | 72 | 163 | 42 | 160 | 34 | 67 | 61 | 28 | 25 | 61 | 91 |
Swell 3 Height (m) Direction Period (s) | SSW 15 | SSE 10 | SE 10 | SSW 16 | SSW 17 | SSW 17 | SSE 12 | NNW 10 | NNW 10 | NNE 6 | NNE 6 | NNE 7 | NE 6 | NE 7 | SSE 8 | SSE 10 | SSE 10 | SSW 19 | NE 6 | NE 7 | SSW 16 | NW 11 | NE 7 | SSW 18 |
| kJ | 86 | 42 | 51 | 153 | 111 | 112 | 53 | 67 | 38 | 23 | 15 | 29 | 19 | 41 | 22 | 68 | 67 | 148 | 25 | 28 | 90 | 58 | 22 | 176 |
Wind waves Height (m) Direction Period (s) | ENE 8 | E 8 | E 8 | E 8 | E 8 | — | — | — | ENE 8 | E 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 |
| kJ | 223 | 157 | 187 | 191 | 161 | — | — | — | 171 | 165 | 234 | 298 | 240 | 240 | 240 | 229 | 341 | 398 | 381 | 361 | 323 | 251 | 217 | 217 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 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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