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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 Monday 11 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
24.6° 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 5PM is: 0.4m 18s primary swell from a South-southwest direction (forecast issued at 01:00pm May 11). An open ocean swell of 0.9m 6s is not directed at the surf break, a second open ocean swell of 0.8m 11s is not directed at the surf break, a second open ocean swell of 1.1m 5s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (11 May) | 1.5ft (0.4m) | 8s |
| Afternoon (11 May) | 1.5ft (0.4m) | 18s |
| Evening (11 May) | 1.5ft (0.4m) | 17s |
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 2mm), mostly falling on Tue morning. Warm (max 26°C on Wed afternoon, min 23°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 11 | Tuesday 12 | Wednesday 13 | Thu 14 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
SE 8 | SSW 18 | SSW 18 | SSW 17 | SE 9 | SE 8 | NW 10 | ESE 8 | E 8 | E 7 | E 7 | SE 9 | E 7 | E 7 | E 7 | E 6 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | |
18 | 103 | 102 | 101 | 19 | 25 | 0 | 238 | 221 | 233 | 243 | 49 | 167 | 167 | 167 | 162 | 292 | 285 | 179 | 205 | 226 | 211 | 200 | 235 | |
Wind (km/h) | ||||||||||||||||||||||||
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 | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 12:50PM0.27m | 11:53PM0.33m | 1:29PM0.36m | 00:34AM0.30m | 2:09PM0.44m | 1:13AM0.26m | ||||||||||||||||||
Low Tide | 6:08PM0.14m | 6:47AM-0.02m | 7:23PM0.13m | 7:10AM-0.05m | 8:29PM0.12m | 7:38AM-0.09m | ||||||||||||||||||
 |  | |  | |  | |  | | | | | | | | | | | | | | | | | |
 | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 6:00 | — | — | — | — | — | — | — | 5:58 | — |
 | — | — | 7:07 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | 7:09 |
— | — | — | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 25 | 25 | 25 | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 25 | 24 | 23 | 23 | 23 | 24 | 25 | 26 | 25 | 24 | 23 | 23 | 23 | 24 |
26 | 25 | 25 | 23 | 22 | 23 | 24 | 24 | 24 | 25 | 24 | 23 | 23 | 23 | 23 | 24 | 25 | 26 | 25 | 24 | 23 | 23 | 23 | 24 | |
Swell 1 Height (m) Direction Period (s) | N 6 | N 6 | NNE 6 | N 7 | N 7 | NNE 6 | NNE 6 | NNE 6 | NNE 6 | NNW 10 | NNW 10 | NNW 10 | NW 10 | NNW 9 | NNW 9 | N 9 | SE 9 | N 6 | NNE 6 | NNE 7 | NNE 7 | NW 16 | NW 15 | NW 15 |
 kJ | 66 | 64 | 66 | 89 | 89 | 75 | 57 | 42 | 42 | 125 | 125 | 122 | 94 | 76 | 73 | 103 | 47 | 25 | 30 | 47 | 51 | 306 | 435 | 429 |
Swell 2 Height (m) Direction Period (s) | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 10 | NNW 11 | NNW 10 | N 6 | N 6 | SE 9 | NNE 6 | NNE 6 | SE 8 | SE 8 | NNE 6 | SE 9 | SE 9 | SE 9 | SE 9 | NNE 8 | NNE 8 | NNE 8 |
| kJ | 169 | 140 | 140 | 112 | 90 | 89 | 64 | 121 | 104 | 24 | 16 | 49 | 31 | 26 | 44 | 44 | 21 | 47 | 49 | 51 | 62 | 67 | 65 | 65 |
Swell 3 Height (m) Direction Period (s) | SE 8 | SSW 18 | SSW 18 | SSW 17 | SE 9 | SE 8 | N 12 | SE 9 | SE 8 | SE 9 | SE 9 | NE 6 | SE 9 | SE 9 | NNE 6 | S 15 | NW 9 | NW 9 | NW 9 | NW 16 | NW 16 | SE 9 | SE 9 | SE 10 |
| kJ | 18 | 103 | 102 | 101 | 19 | 25 | 69 | 36 | 35 | 36 | 38 | 10 | 50 | 49 | 18 | 38 | 40 | 40 | 39 | 133 | 214 | 74 | 52 | 57 |
Wind waves Height (m) Direction Period (s) | E 5 | E 5 | E 5 | ENE 6 | ENE 6 | E 6 | E 6 | ESE 8 | E 8 | E 7 | E 7 | NNE 5 | E 7 | E 7 | E 7 | E 6 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 |
| kJ | 32 | 40 | 61 | 160 | 173 | 104 | 86 | 238 | 221 | 233 | 243 | 16 | 167 | 167 | 167 | 162 | 292 | 285 | 179 | 205 | 226 | 211 | 200 | 235 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 18 | 0 | 0 | 3 | 3 | 20 | 3 | 0 | 0 | 0 | 6 | 20 | 6 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 0 |
Best forecast wave conditions in Kaua'i | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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