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Surf Forecasts:
In Betweens surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 1 am Sunday 31 May 2026 HSTForecast update in hr min s Forecast update imminent
In Betweens surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's In Betweens sea temperature is
25.2° C
(Which is normal for this time of year)How big are the waves at In Betweens today (31 May):
- Morning surf: Morning surf (31 May, local time) - 2.5ft (0.8m), 15s period with SSW swell.
- Afternoon surf: Afternoon surf (31 May, local time) - 2.5ft (0.7m), 15s period with S swell.
- Evening surf: Evening surf (31 May, local time) - 2.5ft (0.7m), 14s period with SSW swell.
The current surf forecast for In Betweens at 5AM is: 0.8m 16s primary swell from a South direction (forecast issued at 01:00am May 31). An open ocean swell of 0.8m 7s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (31 May) | 2.5ft (0.8m) | 15s |
| Afternoon (31 May) | 2.5ft (0.7m) | 15s |
| Evening (31 May) | 2.5ft (0.7m) | 14s |
Table - waves today at In Betweens. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 3mm), mostly falling on Mon night. Warm (max 25°C on Sun morning, min 23°C on Sun night). Winds increasing (light winds from the ENE on Sun morning, fresh winds from the ENE by Tue afternoon). | ||||||||||||||||||||||||
Sunday 31 | Monday 1 | Tuesday 2 | ||||||||||||||||||||||
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 |    |    |    | |||||||||||||||||||||
SSW 16 | S 16 | SSW 15 | SSW 15 | S 15 | S 15 | SSW 14 | SSW 14 | S 19 | S 19 | S 19 | S 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | S 20 | S 16 | S 16 | SSW 19 | S 16 | SSW 18 | S 18 | |
333 | 310 | 316 | 300 | 212 | 209 | 215 | 215 | 276 | 273 | 343 | 408 | 422 | 516 | 404 | 482 | 448 | 490 | 635 | 635 | 621 | 620 | 1081 | 899 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | |
High Tide | 3:30AM0.13m | 4:39PM0.64m | 4:10AM0.12m | 5:16PM0.64m | 4:54AM0.12m | 5:54PM0.62m | ||||||||||||||||||
Low Tide | 11:37PM0.05m | 8:52AM-0.06m | 00:19AM0.05m | 9:25AM-0.05m | 1:02AM0.05m | 9:59AM-0.03m | ||||||||||||||||||
 |  |  | |  | | |  | | | | | | | | | | |  | | | | | | |
 | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — | — | 5:48 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — | — | — | — | — | — | 7:08 | — | — |
1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | |
Temp °C | 24 | 23 | 24 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 24 | 25 | 25 | 24 | 24 | 24 | 23 | 24 | 24 | 25 | 24 | 24 | 24 |
24 | 23 | 25 | 26 | 25 | 25 | 25 | 25 | 25 | 23 | 24 | 23 | 24 | 24 | 23 | 23 | 23 | 22 | 23 | 22 | 24 | 21 | 22 | 23 | |
Swell 1 Height (m) Direction Period (s) | SSW 16 | S 16 | SSW 15 | SSW 15 | ENE 7 | S 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | S 19 | S 18 | SSW 18 | SSW 18 | SSW 17 | SSW 17 | SSW 16 | S 20 | S 16 | S 16 | S 16 | S 16 | SSW 18 | S 18 |
 kJ | 333 | 310 | 316 | 300 | 117 | 209 | 215 | 215 | 276 | 273 | 343 | 408 | 422 | 516 | 404 | 482 | 448 | 490 | 635 | 635 | 516 | 620 | 1081 | 899 |
Swell 2 Height (m) Direction Period (s) | E 8 | NE 7 | NE 8 | NE 7 | S 15 | E 8 | E 8 | E 8 | S 19 | S 19 | S 14 | S 14 | S 14 | S 13 | S 13 | S 13 | E 6 | SSW 16 | S 20 | S 20 | SSW 19 | S 19 | N 11 | SSW 14 |
| kJ | 76 | 65 | 67 | 65 | 212 | 55 | 54 | 55 | 273 | 267 | 200 | 144 | 134 | 126 | 126 | 125 | 52 | 341 | 485 | 485 | 621 | 475 | 86 | 215 |
Swell 3 Height (m) Direction Period (s) | NE 7 | E 7 | E 7 | E 7 | N 8 | N 8 | SSW 20 | S 19 | NNW 11 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | NNW 10 | S 21 | S 21 | S 21 | S 13 | NNW 9 | NNW 12 | NNW 12 | N 11 | NNW 11 | N 11 |
| kJ | 52 | 54 | 54 | 54 | 21 | 20 | 132 | 192 | 37 | 33 | 33 | 19 | 32 | 31 | 329 | 332 | 329 | 87 | 16 | 30 | 48 | 65 | 40 | 82 |
Wind waves Height (m) Direction Period (s) | NE 7 | — | — | — | — | NE 7 | NE 7 | NE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | NE 7 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 |
| kJ | 91 | — | — | — | — | 62 | 65 | 49 | 123 | 131 | 151 | 147 | 143 | 139 | 108 | 117 | 54 | 97 | 129 | 129 | 110 | 107 | 119 | 142 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 30 | 1 | 3 | 1 | 1 | 30 | 30 | 30 | 38 | 32 | 30 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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