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Waimanalo Surf Forecast
/ HAW – Oahu (122 breaks) / Hawaii (267 breaks) /
Surf Forecasts:
Waimanalo surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Thursday 21 May 2026 HSTForecast update in hr min s Forecast update imminent
Waimanalo surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Waimanalo sea temperature is
25.5° C
(Which is normal for this time of year)How big are the waves at Waimanalo today?
The current surf forecast for Waimanalo at 3AM is: 3.0m 8s primary swell from a East-northeast direction and 0.2m 10s secondary swell from a North-northwest direction (forecast issued at 07:00pm May 21). An open ocean swell of 0.3m 15s is not directed at the surf break. The wind direction is predicted to be onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (22 May) | 8ft (2.5m) | 9s |
| Afternoon (22 May) | 8ft (2.5m) | 8s |
| Evening (22 May) | 8ft (2.5m) | 8s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 2mm), mostly falling on Fri night. Warm (max 24°C on Fri afternoon, min 23°C on Thu night). Mainly strong winds. | ||||||||||||||||||||||||
Thu 21 | Friday 22 | Saturday 23 | Sun 24 | |||||||||||||||||||||
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 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
1094 | 1120 | 1147 | 1072 | 1000 | 953 | 891 | 827 | 857 | 982 | 949 | 919 | 878 | 837 | 1047 | 1068 | 989 | 890 | 869 | 790 | 790 | 887 | 882 | 848 | |
Wind (km/h) | ||||||||||||||||||||||||
on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | on | cross-on | on | on | cross-on | on | on | |
High Tide | 8:01PM0.58m | 7:00AM0.16m | 8:56PM0.54m | 10:20AM0.22m | 9:41PM0.49m | 11:46AM0.31m | ||||||||||||||||||
Low Tide | 5:02AM0.14m | 12:36PM0.06m | 4:54AM0.10m | 2:07PM0.14m | 5:08AM0.07m | |||||||||||||||||||
 |  | | | | | | |  |  | | |  | | | | | | | | |  | | | |
 | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — |
 | 7:04 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | — | 7:05 | — | — | — | — | — | — | 7:05 |
— | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | 1 | — | — | |
Temp °C | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 |
17 | 17 | 17 | 17 | 17 | 17 | 18 | 19 | 17 | 18 | 17 | 18 | 18 | 17 | 16 | 17 | 17 | 18 | 17 | 18 | 18 | 18 | 17 | 19 | |
Swell 1 Height (m) Direction Period (s) | NNW 10 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | NNW 10 | NW 10 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 11 | NW 10 | NW 16 | NNW 16 | NNW 15 | NNW 14 | NNW 14 | NNW 13 | NNW 13 | NNW 13 | NNW 12 | NNW 12 |
 kJ | 9 | 44 | 42 | 42 | 42 | 20 | 27 | 30 | 30 | 30 | 30 | 30 | 29 | 27 | 67 | 99 | 148 | 140 | 134 | 120 | 116 | 111 | 101 | 98 |
Swell 2 Height (m) Direction Period (s) | SSW 16 | NNW 10 | NNW 9 | NNW 10 | NNW 10 | S 15 | S 14 | S 14 | S 14 | S 14 | S 17 | S 16 | S 16 | S 16 | NW 10 | NW 10 | S 15 | S 15 | NW 10 | S 15 | S 14 | S 14 | S 13 | S 13 |
| kJ | 48 | 9 | 9 | 10 | 10 | 17 | 16 | 15 | 14 | 14 | 50 | 47 | 46 | 46 | 27 | 26 | 39 | 38 | 25 | 38 | 37 | 33 | 32 | 32 |
Swell 3 Height (m) Direction Period (s) | SSE 13 | SSE 13 | SSE 13 | SSE 13 | SSE 12 | SSE 12 | S 18 | S 18 | S 18 | S 18 | S 13 | S 13 | NNW 18 | NNW 18 | S 16 | S 15 | NW 10 | NW 10 | S 15 | NNW 10 | NNW 10 | S 11 | S 16 | S 16 |
| kJ | 17 | 16 | 16 | 16 | 15 | 15 | 25 | 25 | 25 | 24 | 14 | 14 | 31 | 60 | 45 | 42 | 26 | 25 | 38 | 9 | 9 | 2 | 21 | 21 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | 1094 | 1120 | 1147 | 1072 | 1000 | 953 | 891 | 827 | 857 | 982 | 949 | 919 | 878 | 837 | 1047 | 1068 | 989 | 890 | 869 | 790 | 790 | 887 | 882 | 848 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 229 | 253 | 245 | 57 | 55 | 56 | 147 | 212 | 212 | 120 | 120 | 116 | 57 | 212 | 220 | 212 | 117 | 57 | 116 | 57 | 52 | 50 | 116 | 119 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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Ocean Swells (m)- Wind Speed (km/h)
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