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Surf Forecasts:
In Betweens surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Saturday 16 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
25.5° C
(Which is normal for this time of year)How big are the waves at In Betweens today?
The current surf forecast for In Betweens at 3AM is: 1.5m 8s primary swell from a East-northeast direction and 0.7m 7s secondary swell from a South-southeast direction (forecast issued at 07:00pm May 16). The wind direction is predicted to be glassy and the swell rating is 2.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (17 May) | 4.5ft (1.4m) | 8s |
| Afternoon (17 May) | 2.5ft (0.7m) | 15s |
| Evening (17 May) | 5ft (1.5m) | 8s |
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 4mm), mostly falling on Sat night. Warm (max 26°C on Sun morning, min 24°C on Sun night). Winds increasing (calm on Sat night, fresh winds from the ENE by Tue afternoon). | ||||||||||||||||||||||||
Sat 16 | Sunday 17 | Monday 18 | Tue 19 | |||||||||||||||||||||
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 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 | ENE 7 | |
310 | 322 | 280 | 291 | 244 | 244 | 211 | 223 | 262 | 262 | 509 | 449 | 438 | 383 | 383 | 350 | 353 | 344 | 344 | 280 | 280 | 251 | 266 | 292 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | glassy | off | glassy | 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 | 4:19PM0.72m | 3:56AM0.15m | 5:08PM0.74m | 4:50AM0.11m | 5:59PM0.73m | 5:55AM0.09m | ||||||||||||||||||
Low Tide | 11:40PM0.00m | 9:26AM-0.14m | 00:43AM-0.00m | 10:08AM-0.12m | 1:48AM-0.01m | 10:55AM-0.08m | ||||||||||||||||||
 |  |  |  | |  | | |  | | |  |  | |  | | | | | | | | | | |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — |
 | 7:01 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | 7:04 |
2 | 1 | — | 1 | — | — | — | — | — | — | 1 | — | — | — | 1 | — | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
29 | 29 | 28 | 28 | 27 | 26 | 25 | 25 | 24 | 24 | 23 | 24 | 23 | 23 | 21 | 21 | 21 | 22 | 22 | 22 | 21 | 21 | 21 | 20 | |
Swell 1 Height (m) Direction Period (s) | 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 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 |
 kJ | 310 | 322 | 280 | 291 | 244 | 244 | 211 | 223 | 262 | 262 | 330 | 449 | 438 | 383 | 383 | 350 | 168 | 163 | 161 | 161 | 163 | 175 | 175 | 178 |
Swell 2 Height (m) Direction Period (s) | SW 14 | SW 14 | SSE 12 | SSE 8 | SSE 7 | SSE 7 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 19 | SSE 10 | SSW 16 | SSW 16 | SSW 17 | SSW 18 | SSW 18 | SSW 18 |
| kJ | 102 | 102 | 78 | 51 | 44 | 26 | 181 | 179 | 193 | 191 | 188 | 186 | 180 | 180 | 180 | 233 | 148 | 33 | 51 | 91 | 96 | 207 | 207 | 176 |
Swell 3 Height (m) Direction Period (s) | SSW 16 | SSE 12 | SSW 17 | SW 15 | SSW 14 | SSW 14 | SSE 6 | SSE 6 | SSW 21 | SSW 21 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSW 19 | SSW 19 | SSE 10 | SSW 16 | SSE 6 | SSE 6 | SW 18 | SSE 10 | SSE 10 | SSE 7 |
| kJ | 89 | 46 | 93 | 54 | 138 | 138 | 23 | 23 | 180 | 180 | 17 | 16 | 9 | 9 | 251 | 251 | 39 | 51 | 8 | 4 | 80 | 18 | 35 | 9 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | — | NE 3 | NE 3 | — | ENE 8 | — | — | — | ENE 8 | — | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 7 |
| kJ | — | — | — | — | — | — | — | 3 | 4 | — | 509 | — | — | — | 251 | — | 353 | 344 | 344 | 280 | 280 | 251 | 266 | 292 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 38 | 32 | 30 | 31 | 31 | 31 | 31 | 38 | 38 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
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