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Surf Forecasts:
Radz surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Monday 04 May 2026 HSTForecast update in hr min s Forecast update imminent
Radz surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Radz sea temperature is
24.7° C
(Which is normal for this time of year)How big are the waves at Radz today?
The current surf forecast for Radz at 3AM is: 1.3m 12s primary swell from a Northwest direction (forecast issued at 07:00pm May 04). An open ocean swell of 0.2m 18s is not directed at the surf break, a second open ocean swell of 1.2m 7s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 3.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (05 May) | 4.5ft (1.3m) | 12s |
| Afternoon (05 May) | 3.5ft (1.1m) | 11s |
| Evening (05 May) | 3.5ft (1.1m) | 11s |
Table - waves today at Radz. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastMostly dry. Warm (max 24°C on Tue morning, min 22°C on Tue night). Wind will be generally light. | ||||||||||||||||||||||||
Mon 4 | Tuesday 5 | Wednesday 6 | Thu 7 | |||||||||||||||||||||
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 |    |    |    |    | ||||||||||||||||||||
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 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 18 | NW 17 | NW 16 | NW 16 | NNW 15 | NW 15 | |
572 | 590 | 570 | 561 | 494 | 440 | 425 | 350 | 308 | 303 | 297 | 297 | 286 | 231 | 196 | 192 | 163 | 160 | 246 | 338 | 443 | 701 | 1550 | 757 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | off | off | cross-off | glassy | glassy | glassy | glassy | cross-on | on | cross-on | cross-on | cross-on | cross-on | cross | cross | cross | cross-off | cross-off | cross-off | cross-off | |
High Tide | 5:53PM0.68m | 6:48PM0.66m | ||||||||||||||||||||||
Low Tide | 9:17AM0.08m | 9:44AM0.11m | 10:13AM0.15m | |||||||||||||||||||||
 |  | |  | |  | | | | | | | | | | | | | | | | | | | |
 | — | — | — | — | 5:58 | — | — | — | — | — | — | — | 5:56 | — | — | — | — | — | — | — | 5:56 | — | — | — |
 | 6:58 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | — | 6:59 | — | — | — | — | — | — | 7:00 |
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 23 | 23 | 23 |
22 | 23 | 22 | 23 | 23 | 26 | 25 | 26 | 27 | 27 | 26 | 26 | 24 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 23 | 24 | 23 | 23 | |
Swell 1 Height (m) Direction Period (s) | 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 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 10 | NW 16 | NW 16 | NNW 15 | NNW 12 |
 kJ | 572 | 590 | 570 | 561 | 494 | 440 | 425 | 350 | 308 | 303 | 297 | 297 | 286 | 231 | 196 | 192 | 163 | 160 | 139 | 134 | 443 | 701 | 1550 | 612 |
Swell 2 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | SSW 18 | E 8 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 7 | E 8 | E 8 | E 8 | E 8 | NW 18 | NW 17 | NNW 9 | NNW 9 | E 8 | NW 15 |
| kJ | 17 | 17 | 17 | 31 | 29 | 124 | 107 | 120 | 96 | 93 | 88 | 61 | 65 | 47 | 61 | 61 | 46 | 49 | 246 | 338 | 108 | 103 | 66 | 757 |
Swell 3 Height (m) Direction Period (s) | SW 19 | SW 18 | SW 18 | SSW 13 | ESE 9 | ESE 8 | ESE 8 | SSW 18 | SSW 18 | SSW 17 | NE 7 | SSW 16 | SSW 16 | N 6 | N 6 | NW 19 | NE 8 | NW 18 | E 8 | E 8 | E 8 | NNW 12 | SSW 15 | E 8 |
| kJ | 15 | 13 | 12 | 17 | 27 | 24 | 24 | 31 | 30 | 29 | 11 | 26 | 25 | 7 | 7 | 56 | 17 | 155 | 49 | 50 | 47 | 107 | 21 | 66 |
Wind waves Height (m) Direction Period (s) | ENE 8 | ENE 8 | E 8 | E 8 | E 6 | E 7 | — | — | — | — | — | — | — | — | — | — | NNE 2 | — | — | — | — | — | — | — |
| kJ | 155 | 130 | 145 | 164 | 85 | 179 | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 30 | 8 | 8 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 10 | 10 | 8 | 10 | 8 | 8 | 8 | 8 | 0 | 6 | 11 | 34 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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