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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 1 am Saturday 30 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 (30 May):
- Morning surf: Morning surf (30 May, local time) - 4.5ft (1.4m), 7s period with ENE swell.
- Afternoon surf: Afternoon surf (30 May, local time) - 4.5ft (1.4m), 8s period with ENE swell.
- Evening surf: Evening surf (30 May, local time) - 4.5ft (1.3m), 8s period with ENE swell.
The current surf forecast for Waialua Rivermouth at 5AM is: 1.4m 7s primary swell from a East-northeast direction and 0.6m 11s secondary swell from a North-northwest direction, 0.5m 11s secondary swell from a North-northeast direction (forecast issued at 01:00am May 30). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 May) | 4.5ft (1.4m) | 7s |
| Afternoon (30 May) | 4.5ft (1.4m) | 8s |
| Evening (30 May) | 4.5ft (1.3m) | 8s |
Table - waves today at Waialua 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 24°C on Sat morning, min 23°C on Sat morning). Wind will be generally light. | ||||||||||||||||||||||||
Saturday 30 | Sunday 31 | Monday 1 | ||||||||||||||||||||||
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 | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | NE 7 | NE 8 | ENE 8 | NE 7 | ENE 7 | N 11 | E 8 | E 8 | E 8 | ESE 8 | ESE 8 | ESE 8 | ENE 7 | ENE 7 | |
226 | 203 | 193 | 193 | 204 | 196 | 196 | 118 | 163 | 169 | 81 | 94 | 98 | 77 | 68 | 114 | 149 | 145 | 86 | 104 | 107 | 83 | 193 | 178 | |
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 | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | |
High Tide | 1:47AM0.20m | 3:00PM0.68m | 2:26AM0.19m | 3:33PM0.67m | 3:05AM0.17m | 4:08PM0.66m | ||||||||||||||||||
Low Tide | 7:34AM-0.05m | 10:44PM0.07m | 8:04AM-0.04m | 11:23PM0.06m | 8:36AM-0.03m | |||||||||||||||||||
 | |  |  | | | | |  | | | | | | | | | | | | |  | |  | |
 | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — | — | 5:45 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 1 | |
Temp °C | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 24 |
22 | 22 | 22 | 23 | 23 | 23 | 24 | 24 | 23 | 23 | 23 | 24 | 24 | 24 | 25 | 24 | 23 | 23 | 22 | 23 | 23 | 23 | 22 | 24 | |
Swell 1 Height (m) Direction Period (s) | NNW 11 | NNW 11 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NE 8 | NNW 10 | NNW 10 | ESE 8 | ESE 8 | E 8 | NE 7 | ENE 7 | E 8 | E 8 | NNW 10 | E 8 | ESE 8 | ESE 8 | ESE 8 | NNW 9 | N 9 |
 kJ | 78 | 76 | 99 | 94 | 88 | 86 | 75 | 79 | 74 | 72 | 62 | 62 | 44 | 77 | 68 | 80 | 149 | 78 | 80 | 104 | 107 | 83 | 48 | 42 |
Swell 2 Height (m) Direction Period (s) | NNE 10 | NNE 11 | SSW 17 | SSW 17 | SSW 16 | SSW 16 | SSW 16 | NNW 10 | SSW 16 | SSW 16 | N 9 | N 9 | N 9 | ESE 8 | ESE 8 | N 11 | NNW 11 | SSW 14 | NNW 10 | NNW 10 | N 10 | NNW 10 | SSW 18 | SSW 17 |
| kJ | 63 | 64 | 116 | 109 | 105 | 103 | 102 | 75 | 98 | 95 | 81 | 57 | 56 | 65 | 68 | 114 | 88 | 81 | 56 | 75 | 70 | 52 | 120 | 116 |
Swell 3 Height (m) Direction Period (s) | SSW 18 | SSW 18 | NNE 9 | NNE 10 | NNE 10 | NNE 10 | NNE 10 | SSW 16 | NNE 9 | NNE 9 | SSW 15 | SSW 15 | SSW 15 | N 9 | N 9 | SSW 14 | SSW 14 | N 8 | SSW 14 | SW 18 | SSW 18 | SSW 18 | SSW 13 | SSW 13 |
| kJ | 124 | 121 | 50 | 31 | 31 | 18 | 18 | 99 | 15 | 8 | 91 | 87 | 85 | 57 | 57 | 81 | 81 | 10 | 40 | 82 | 124 | 123 | 35 | 34 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 8 | ENE 8 | ENE 8 | E 8 | E 8 | ENE 8 | NE 7 | NE 8 | ENE 8 | — | — | NE 8 | NE 7 | E 8 | NE 7 | NE 7 | NE 7 | NE 7 | ENE 7 | ENE 7 |
| kJ | 226 | 203 | 193 | 193 | 204 | 196 | 196 | 118 | 163 | 169 | 75 | 94 | 98 | — | — | 57 | 65 | 145 | 86 | 65 | 69 | 82 | 193 | 178 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 19 | 19 | 19 | 23 | 25 | 23 | 17 | 16 | 19 | 19 | 14 | 16 | 23 | 23 | 14 | 14 | 14 | 15 | 23 | 23 | 23 | 23 | 23 | 23 |
Best forecast wave conditions in Molokai | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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