Surf Forecasts:
In Betweens surf forecast from 28 Sep 2026:
- Best quality surf: Tuesday 29 Sep, 2AM (local time) - 6ft (1.8m), 8s period, ENE swell with cross-offshore winds.
- Most powerful swell: Monday 28 Sep, 5AM (local time) - 8ft (2.4m), 8s period, ENE swell with 800 kJ wave energy.
- Next surfable swell (1★+): Tuesday 29 Sep, 2AM (local time) - 6ft (1.8m), 8s period with ENE swell.
Best Forecast Surf Conditions for In Betweens this week:
The surf forecast for In Betweens over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Sep 29) at 2AM. The primary swell is predicted to be 1.8m and 8s period with a secondary swell of 0.8m and 9s. The wind is predicted to be cross-offshore as the swell arrives.
The most powerful waves expected at In Betweens in the next 16 days are 2.4m 8s and forecast to arrive on Monday (Sep 28) at 5AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.3m 12s period and expected on Wednesday (Sep 30) at 2PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Tue 29th Sep) | 6ft (1.8m) 8s |
| Best Surf | 2AM (Tue 29th Sep) | 6ft (1.8m) 8s |
| Most Powerful | 5AM (Mon 28th Sep) | 8ft (2.4m) 8s |
Table - best surf conditions forecast for In Betweens over the next 16 days.
Short Range ForecastLight rain (total 4mm), mostly falling on Wed afternoon. Warm (max 27°C on Mon afternoon, min 25°C on Sun night). Winds decreasing (strong winds from the ENE on Sun night, light winds from the ENE by Mon night). | Days 5-7 Weather SummaryHeavy rain (total 31mm), heaviest during Thu morning. Warm (max 27°C on Thu afternoon, min 25°C on Thu night). Wind will be generally light. | ||||||||||||||||||
Monday 28 | Tuesday 29 | Wednesday 30 | Thursday 1 | Friday 2 | Saturday 3 | ||||||||||||||
Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | E 9 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | SSW 16 | SSW 16 | E 14 | E 8 | E 14 | E 8 | E 7 | ENE 7 | S 13 | ENE 7 | SSW 12 | SSW 12 | SSW 12 | S 12 |
Wave Graph  | |||||||||||||||||||
 kJ | 943 | 660 | 536 | 414 | 330 | 326 | 318 | 253 | 145 | 140 | 118 | 131 | 91 | 92 | 73 | 117 | 113 | 104 | 98 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-off | cross | cross-off | cross-off | cross-on | cross-on | cross-on | cross-on | on | cross-on | cross | cross-on | cross-on | cross-on | cross-on | cross-on | on | on | glassy |
High Tide | 5:08AM0.64m | 4:47PM0.39m | 5:56AM0.67m | 5:22PM0.32m | 6:52AM0.68m | 6:03PM0.26m | 7:58AM0.67m | 7:08PM0.20m | 9:13AM0.67m | 9:28PM0.18m | 10:28AM0.67m | 11:31PM0.21m | |||||||
Low Tide | 10:18PM0.02m | 11:39AM0.15m | 10:46PM0.02m | 12:48PM0.18m | 11:17PM0.03m | 2:19PM0.20m | 11:54PM0.05m | 4:19PM0.18m | 00:41AM0.08m | 5:54PM0.15m | 1:55AM0.12m | 6:41PM0.11m | 3:40AM0.15m | ||||||
 |  |  |  | | |  | |  |  | |  | | | | | | | | |
 | — | 6:20 | — | — | 6:20 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — | 6:22 | — | — |
 | 6:22 | — | 6:22 | — | — | 6:21 | — | — | 6:20 | — | — | 6:19 | — | — | 6:17 | — | — | 6:16 | — |
mm | — | — | — | — | — | — | 1 | — | 3 | 4 | 5 | 1 | 7 | 1 | 2 | 5 | 4 | 2 | 1 |
Temp °C | 26 | 26 | 27 | 26 | 26 | 27 | 27 | 27 | 26 | 26 | 26 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
Feels °C | 22 | 23 | 26 | 26 | 26 | 27 | 27 | 26 | 26 | 27 | 28 | 29 | 28 | 29 | 27 | 29 | 28 | 29 | 29 |
Swell 1 Height (m) Direction Period (s) | SSE 10 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | W 10 | E 8 | E 8 | E 8 | E 7 | ENE 7 | ENE 7 | ENE 7 | ENE 6 | ENE 6 | E 6 | S 12 |
| kJ | 128 | 660 | 536 | 414 | 318 | 264 | 192 | 296 | 145 | 124 | 118 | 131 | 91 | 77 | 73 | 33 | 88 | 84 | 98 |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 13 | SSW 10 | SSW 9 | SSW 16 | SSW 16 | WSW 10 | E 8 | W 11 | W 10 | W 9 | W 9 | W 9 | W 9 | S 5 | W 8 | SSW 12 | SSW 12 | W 9 |
| kJ | 140 | 492 | 143 | 94 | 330 | 326 | 136 | 149 | 307 | 94 | 57 | 59 | 83 | 78 | 34 | 50 | 113 | 104 | 39 |
Swell 3 Height (m) Direction Period (s) | S 13 | SSE 7 | SSE 7 | SW 17 | SSW 8 | S 6 | SSW 16 | E 14 | E 13 | E 14 | E 13 | E 13 | S 5 | S 13 | W 9 | SSW 12 | W 8 | W 8 | N 8 |
| kJ | 89 | 19 | 51 | 305 | 59 | 39 | 318 | 253 | 121 | 140 | 84 | 82 | 25 | 92 | 74 | 117 | 47 | 33 | 21 |
Wind waves Height (m) Direction Period (s) | E 9 | — | — | — | — | SSE 6 | S 6 | S 6 | S 6 | S 6 | S 5 | S 6 | SSE 5 | S 5 | S 6 | — | SSE 5 | — | ENE 7 |
| kJ | 943 | — | — | — | — | 85 | 102 | 148 | 105 | 50 | 57 | 48 | 44 | 15 | 62 | — | 27 | — | 82 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 127 | 52 | 30 | 0 | 20 | 45 | 45 | 45 | 20 | 26 | 1 | 45 | 20 | 1 | 38 | 16 | 16 | 16 | 0 |
Best forecast wave conditions in Oahu | |||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||
Header Global | |||||||||||||||||||
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our In Betweens 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.
Information about the In Betweens Surf forecast
The above surf forecast table for In Betweens provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at In Betweens can be found by selecting the local surf guide option on the grey menu. Our In Betweens surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (In Betweens) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).
Further information to help with frequently asked questions about our surf forecast for In Betweens may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.
In Betweens is 4 km (2 miles) from Honolulu. If you plan a vacation in Oahu, look for hotels and other accommodation in Honolulu. Honolulu has rooms for a wide range of budgets as well as car hire and transport links.
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