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Waimanu Bay Surf Forecast
/ HAW – Big Island (60 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Waimanu Bay surfForecast / HAW – Big Island / USA
48hr Weather and Surf, issued 7 pm Wednesday 27 May 2026 HSTForecast update in hr min s Forecast update imminent
Waimanu Bay surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waimanu Bay sea temperature is
25.8° C
(Which is slightly warmer than usual)How big are the waves at Waimanu Bay today (28 May):
- Morning surf: Morning surf (28 May, local time) - 3.5ft (1.0m), 7s period with E swell.
- Afternoon surf: Afternoon surf (28 May, local time) - 5ft (1.5m), 7s period with ENE swell.
- Evening surf: Evening surf (28 May, local time) - 4.5ft (1.4m), 7s period with ENE swell.
The current surf forecast for Waimanu Bay at 1AM is: 1.1m 7s primary swell from a East direction and 0.9m 7s secondary swell from a North-northeast direction, 0.6m 14s secondary swell from a Northwest direction (forecast issued at 07:00pm May 27). The wind direction is predicted to be cross-shore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (28 May) | 3.5ft (1.0m) | 7s |
| Afternoon (28 May) | 5ft (1.5m) | 7s |
| Evening (28 May) | 4.5ft (1.4m) | 7s |
Table - waves today at Waimanu Bay. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 25°C on Thu morning, min 22°C on Wed night). Wind will be generally light. | ||||||||||||||||||||||||
Wed 27 | Thursday 28 | Friday 29 | Sat 30 | |||||||||||||||||||||
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 | 11 AM | 2 PM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
ENE 7 | ENE 7 | NW 14 | NW 14 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | NE 8 | NE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
234 | 220 | 121 | 131 | 197 | 106 | 210 | 212 | 186 | 183 | 108 | 147 | 203 | 126 | 203 | 203 | 109 | 120 | 191 | 186 | 204 | 215 | 215 | 226 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross-on | |
High Tide | 00:18AM0.54m | 2:07PM0.89m | 00:56AM0.51m | 2:38PM0.92m | 1:31AM0.49m | |||||||||||||||||||
Low Tide | 7:59PM0.40m | 6:43AM0.10m | 8:45PM0.37m | 7:12AM0.08m | 9:24PM0.35m | 7:42AM0.07m | ||||||||||||||||||
 |  | |  | | | | | | | | | |  | | | | | | | | | | | |
 | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — | — | — | — | — | — | 5:41 | — | — | — |
 | 6:55 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | — | 6:57 | — | — | — | — | — | — | 6:57 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 24 | 23 | 23 | 22 | 23 | 24 | 25 | 25 | 24 | 23 | 23 | 23 | 22 | 23 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 24 | 25 | 25 |
23 | 22 | 22 | 21 | 22 | 23 | 24 | 24 | 22 | 21 | 21 | 22 | 21 | 22 | 25 | 24 | 24 | 24 | 23 | 24 | 23 | 24 | 26 | 26 | |
Swell 1 Height (m) Direction Period (s) | NW 15 | NW 14 | NNE 8 | NE 7 | NW 13 | NE 7 | NW 13 | NW 13 | NW 12 | N 12 | NE 7 | NNE 8 | NNW 12 | NE 8 | N 11 | N 11 | NE 8 | NE 8 | NNE 10 | N 10 | N 10 | NNW 11 | NNW 11 | NNW 11 |
 kJ | 134 | 121 | 98 | 75 | 61 | 82 | 109 | 84 | 77 | 101 | 57 | 52 | 96 | 84 | 114 | 85 | 109 | 120 | 77 | 50 | 50 | 47 | 46 | 45 |
Swell 2 Height (m) Direction Period (s) | N 13 | N 13 | NW 14 | NW 14 | N 12 | NW 13 | NNE 13 | N 12 | N 11 | NW 12 | NW 12 | NNW 12 | N 10 | N 11 | NNW 12 | NNW 12 | N 11 | NNE 10 | NW 12 | NNW 11 | NNW 11 | NNE 10 | NNE 10 | NNE 10 |
| kJ | 14 | 13 | 119 | 119 | 48 | 61 | 55 | 42 | 41 | 73 | 73 | 98 | 53 | 112 | 93 | 90 | 82 | 80 | 66 | 49 | 47 | 32 | 31 | 31 |
Swell 3 Height (m) Direction Period (s) | NNW 9 | NW 9 | N 12 | N 12 | NNW 16 | NNE 12 | N 13 | NNE 13 | NNE 14 | N 12 | N 12 | N 10 | NNE 13 | NNW 12 | NW 12 | NW 11 | NW 12 | NW 12 | NNW 12 | NNW 11 | N 10 | N 10 | NNE 10 | NNE 10 |
| kJ | 8 | 3 | 28 | 48 | 24 | 52 | 84 | 35 | 36 | 99 | 71 | 50 | 54 | 94 | 108 | 104 | 65 | 66 | 88 | 84 | 50 | 49 | 31 | 31 |
Wind waves Height (m) Direction Period (s) | ENE 7 | ENE 7 | E 7 | E 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | E 7 | E 7 | ENE 7 | E 7 | ENE 7 | ENE 7 | E 7 | E 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 234 | 220 | 121 | 131 | 197 | 106 | 210 | 212 | 186 | 183 | 108 | 147 | 203 | 126 | 203 | 203 | 86 | 64 | 191 | 186 | 204 | 215 | 215 | 226 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 58 | 58 | 29 | 29 | 29 | 66 | 77 | 77 | 58 | 70 | 77 | 60 | 58 | 77 | 77 | 77 | 77 | 70 | 58 | 61 | 68 | 68 | 77 | 77 |
Best forecast wave conditions in Big Island | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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