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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 1 pm Wednesday 17 Sep 2025 HST
How big are the waves at Waimanalo today?
The current surf forecast for Waimanalo at 8PM is: 1.5m 6s primary swell from a East direction and 0.5m 8s secondary swell from a North direction, 0.1m 9s secondary swell from a Southeast direction (forecast issued at 01:00pm September 17). The wind direction is predicted to be cross-onshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 Sep) | 4.5ft (1.4m) | 6s |
| Afternoon (17 Sep) | 4.5ft (1.4m) | 6s |
| Evening (17 Sep) | 5ft (1.5m) | 6s |
Table - waves today at Waimanalo. (Swell directed towards the surf break)
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| 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 | |
Rating (10 max) | ||||||||||||||||||||||||
Swell Height Map |    |    |    |    | ||||||||||||||||||||
| Wave Height (m) & direction (?) | ||||||||||||||||||||||||
| Period(s) (?) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 |
Wave (?)Graph  | ||||||||||||||||||||||||
 kJ (?) | 137 | 141 | 146 | 162 | 188 | 194 | 232 | 220 | 206 | 158 | 141 | 171 | 165 | 126 | 104 | 94 | 108 | 115 | 107 | 101 | 194 | 209 | 111 | 273 |
Wind (km/h) | ||||||||||||||||||||||||
| Wind State (?) onshore cross-onshore cross-shore cross-offshore offshore glassy | cross- on | cross- on | on | cross- on | cross- on | cross- on | cross- on | cross- on | cross- on | on | on | cross- on | cross- on | on | on | cross- on | on | on | on | on | on | on | on | on |
High Tide / height (m) | 1:04PM 0.66 | 12:30AM 0.35 | 1:30PM 0.66 | 1:09AM 0.41 | 1:51PM 0.63 | 1:46AM 0.45 | ||||||||||||||||||
Low Tide / height (m) | 7:51PM 0.19 | 6:11AM 0.03 | 7:55PM 0.16 | 6:52AM 0.04 | 8:04PM 0.14 | 7:29AM 0.07 | ||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | |||||||||||||||||||||
| Sunrise | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:18 | - | - | - | - | - | - | - | 6:18 |
| Sunset | - | - | 6:31 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - | - | - | 6:30 | - | - | - | - | - |
 | | |  |  | | | | | | | | | | | | | |  | | | | | | |
Rain (mm) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Temp. °C | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 25 |
| Feels °C (?) | 22 | 23 | 22 | 23 | 23 | 23 | 23 | 22 | 24 | 25 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 24 | 24 | 24 | 25 | 24 | 23 |
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
Recent Eyeball Surf Reports for HAW - Oahu
Calm condsitions have become offshore at Waikiki (light winds from the NE at BUOY-OOUH1 5 km from Waikiki). 0.6m 9s swell from the SSE with a 0.3m 12s groundswell from the SSW and a 0.2m 13s groundswell from the WSW. 3 swells combining to make bigger set waves.
2 h 39 min ago
FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Waimanalo surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.
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