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Surf Forecasts:
In Betweens surfForecast / HAW – Oahu / USA
48hr Weather and Surf, issued 7 pm Sunday 17 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 1AM is: 1.6m 8s primary swell from a East-northeast direction and 0.7m 14s secondary swell from a South-southwest direction (forecast issued at 07:00pm May 17). The wind direction is predicted to be cross-offshore.
| Time (HST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (18 May) | 5.5ft (1.7m) | 8s |
| Afternoon (18 May) | 5ft (1.6m) | 8s |
| Evening (18 May) | 5ft (1.6m) | 8s |
Table - waves today at In Betweens. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastSome drizzle, heaviest during Sun night. Warm (max 25°C on Sun night, min 23°C on Tue night). Winds increasing (light winds from the ENE on Sun night, strong winds from the ENE by Wed afternoon). | ||||||||||||||||||||||||
Sun 17 | Monday 18 | Tuesday 19 | Wed 20 | |||||||||||||||||||||
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 | SSW 18 | SSW 18 | ENE 8 | SSW 15 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | |
262 | 250 | 318 | 485 | 392 | 383 | 341 | 350 | 322 | 322 | 277 | 259 | 218 | 218 | 218 | 221 | 259 | 291 | 314 | 361 | 370 | 449 | 534 | 614 | |
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 | 5:08PM0.74m | 4:50AM0.11m | 5:59PM0.73m | 5:55AM0.09m | 6:52PM0.69m | 7:16AM0.09m | ||||||||||||||||||
Low Tide | 00:43AM-0.00m | 10:08AM-0.12m | 1:48AM-0.01m | 10:55AM-0.08m | 2:50AM-0.02m | 11:49AM-0.02m | ||||||||||||||||||
 |  |  | | |  | |  | | | | | | | | | | | |  | | | | | |
 | — | — | — | — | 5:52 | — | — | — | — | — | — | — | 5:50 | — | — | — | — | — | — | — | 5:50 | — | — | — |
 | 7:02 | — | — | — | — | — | — | — | 7:02 | — | — | — | — | — | — | — | 7:04 | — | — | — | — | — | — | 7:04 |
1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 26 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 24 | 24 | 24 | 23 | 24 | 24 | 24 | 24 |
26 | 26 | 25 | 24 | 24 | 24 | 22 | 21 | 21 | 22 | 22 | 23 | 23 | 23 | 22 | 22 | 21 | 21 | 21 | 20 | 22 | 21 | 19 | 19 | |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SSW 14 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 |
 kJ | 262 | 250 | 318 | 350 | 392 | 383 | 341 | 180 | 168 | 163 | 161 | 259 | 218 | 218 | 218 | 178 | 246 | 249 | 167 | 172 | 167 | 163 | 163 | 115 |
Swell 2 Height (m) Direction Period (s) | SSW 15 | SSW 15 | SSW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 19 | SSW 19 | SSE 7 | SSE 6 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 18 | SSE 6 | SSE 6 | SSE 9 | NW 11 | NW 12 | NNW 12 | NNW 10 | NNW 11 |
| kJ | 193 | 191 | 188 | 186 | 180 | 180 | 180 | 251 | 148 | 9 | 8 | 161 | 163 | 175 | 175 | 176 | 8 | 6 | 17 | 30 | 35 | 27 | 21 | 23 |
Swell 3 Height (m) Direction Period (s) | SSW 21 | SSW 21 | SSE 7 | SSE 7 | SSE 7 | SSE 7 | SSW 19 | SSE 7 | SSE 7 | SSW 16 | SSW 16 | SSW 16 | SSW 17 | SSW 18 | SSW 18 | SSE 9 | NNW 12 | NNW 11 | NW 11 | SSE 9 | SW 16 | SW 16 | SSW 18 | SSW 18 |
| kJ | 180 | 180 | 16 | 15 | 15 | 15 | 251 | 9 | 9 | 51 | 51 | 91 | 96 | 207 | 207 | 35 | 27 | 11 | 30 | 17 | 41 | 41 | 63 | 63 |
Wind waves Height (m) Direction Period (s) | — | — | — | ENE 8 | — | — | — | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | — | — | ENE 7 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 |
| kJ | — | — | — | 485 | — | — | — | 350 | 322 | 322 | 277 | — | — | — | 104 | 221 | 259 | 291 | 314 | 361 | 370 | 449 | 534 | 614 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 1 | 1 | 1 | 1 | 30 | 1 | 30 | 32 | 32 | 30 | 30 | 30 | 1 | 30 | 30 | 31 | 38 | 32 | 32 | 30 | 30 | 32 | 41 | 45 |
Best forecast wave conditions in Oahu | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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