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Waialua Rivermouth Surf Forecast
/ HAW – Molokai (14 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Waialua Rivermouth surfForecast / HAW – Molokai / USA
48hr Weather and Surf, issued 7 am Thursday 28 May 2026 HSTForecast update in hr min s Forecast update imminent
Waialua Rivermouth surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waialua Rivermouth sea temperature is
25.1° C
(Which is normal for this time of year)How big are the waves at Waialua Rivermouth today (28 May):
- Morning surf: Morning surf (28 May, local time) - 3.5ft (1.0m), 13s period with NW swell.
- Afternoon surf: Afternoon surf (28 May, local time) - 3.5ft (1.0m), 12s period with NW swell.
- Evening surf: Evening surf (28 May, local time) - 5ft (1.6m), 7s period with ENE swell.
The current surf forecast for Waialua Rivermouth at 1PM is: 1.0m 12s primary swell from a Northwest direction and 0.5m 12s secondary swell from a North direction, 1.4m 7s secondary swell from a East-northeast direction (forecast issued at 07:00am May 28). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 May) | 3.5ft (1.0m) | 13s |
| Afternoon (28 May) | 3.5ft (1.0m) | 12s |
| Evening (28 May) | 5ft (1.6m) | 7s |
Table - waves today at Waialua Rivermouth. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 24°C on Thu morning, min 23°C on Thu morning). Mainly fresh winds. | ||||||||||||||||||||||||
Thursday 28 | Friday 29 | Saturday 30 | Sun 31 | |||||||||||||||||||||
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 | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 7 | |
431 | 320 | 286 | 281 | 281 | 240 | 236 | 247 | 255 | 247 | 255 | 233 | 247 | 254 | 254 | 247 | 233 | 198 | 193 | 181 | 207 | 98 | 173 | 121 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | cross-on | |
High Tide | 1:56PM0.66m | 1:07AM0.23m | 2:28PM0.67m | 1:47AM0.20m | 3:00PM0.68m | |||||||||||||||||||
Low Tide | 6:39AM-0.05m | 9:23PM0.11m | 7:06AM-0.05m | 10:05PM0.09m | 7:34AM-0.05m | 10:44PM0.07m | ||||||||||||||||||
 |  |  | | | | | | | | | | | | | |  | | | | | | | | |
 | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | 5:45 |
 | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — | 7:04 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 23 | 23 |
21 | 21 | 22 | 22 | 21 | 20 | 21 | 21 | 21 | 20 | 22 | 21 | 22 | 21 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 22 | 22 | 23 | |
Swell 1 Height (m) Direction Period (s) | NW 13 | NW 13 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 12 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NE 8 | NE 8 | NNW 10 | ESE 8 |
 kJ | 431 | 320 | 286 | 281 | 281 | 240 | 236 | 228 | 185 | 182 | 153 | 130 | 133 | 128 | 121 | 78 | 76 | 99 | 71 | 88 | 84 | 79 | 75 | 47 |
Swell 2 Height (m) Direction Period (s) | NNE 13 | N 12 | N 12 | N 12 | N 12 | N 11 | N 10 | N 11 | N 11 | N 11 | N 10 | NNE 10 | N 10 | N 10 | NNE 10 | NNE 11 | NNE 11 | NNE 9 | SSW 17 | SSW 16 | ESE 8 | NNW 10 | SSW 16 | NNW 10 |
| kJ | 53 | 43 | 73 | 72 | 104 | 55 | 56 | 82 | 82 | 82 | 78 | 78 | 49 | 48 | 57 | 64 | 64 | 50 | 109 | 105 | 96 | 75 | 99 | 74 |
Swell 3 Height (m) Direction Period (s) | S 13 | NNE 13 | S 12 | SW 16 | SW 16 | NNE 14 | NNE 13 | NNE 13 | NNE 13 | NNE 13 | SW 20 | SSW 19 | SSW 19 | SSW 18 | SSW 18 | SSW 18 | SSW 18 | SSW 17 | NNE 10 | NNE 10 | NNW 10 | SSW 16 | NNE 10 | SSW 16 |
| kJ | 13 | 18 | 12 | 10 | 10 | 36 | 56 | 57 | 34 | 33 | 98 | 145 | 139 | 130 | 127 | 124 | 121 | 116 | 31 | 31 | 86 | 102 | 19 | 98 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | E 8 | ENE 8 | ENE 7 |
| kJ | 273 | 212 | 206 | 181 | 173 | 227 | 233 | 247 | 255 | 247 | 255 | 233 | 247 | 254 | 254 | 247 | 233 | 198 | 193 | 181 | 207 | 98 | 173 | 121 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 23 | 23 | 23 | 28 | 23 | 23 | 25 | 25 | 23 | 25 | 23 | 28 | 23 | 23 | 23 | 19 | 19 | 19 | 23 | 23 | 25 | 19 | 17 | 14 |
Best forecast wave conditions in Molokai | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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