Surf Forecasts:
In Betweens surf forecast from 24 Aug 2026:
- Most powerful swell: Thursday 27 Aug, 11AM (local time) - 3.5ft (1.1m), 17s period, S swell with 716 kJ wave energy.
Best Forecast Surf Conditions for In Betweens this week:
The most powerful waves expected at In Betweens in the next 16 days are 1.1m 17s and forecast to arrive on Thursday (Aug 27) at 11AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 6s period and expected on Thursday (Aug 27) at 8PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 11AM (Thu 27th Aug) | 3.5ft (1.1m) 17s |
Table - best surf conditions forecast for In Betweens over the next 16 days.
The Lowdown
Oi, Rusty here. Let’s have a look at what’s on the table for In Betweens over the next sixteen days. Right off the bat, I gotta be straight with you – it’s a grim run. The whole period is plagued by strong, gusty cross-offshore winds from the ENE, howling at 15 to 25 mph nearly every day. That wind is just trashing any chance of decent shape. The water temperature is sitting at 81°F, which is about average for this time of year, so no surprises there. We’re looking at a solid two-week stretch where the surf is either poor or just barely marginal.
The swell is mostly short-period windswell, coming in from the ENE and E, with heights fluctuating. On Monday the 24th, you’ve got 5 ft to 5 ft of that junky 7-second stuff. Combined energy is around 479, so moderate energy, but with that wind, it’s a mess. Tuesday the 25th pushes up to 7 ft, but it’s still the same short-period garbage. That 7 ft swell is well over the beginner limit, and with the wind, this is expert-only territory and even then, it’s ugly.
There is a shift around the 27th and 28th, when a longer-period S swell fills in at 17 seconds and 16 seconds, bringing a bit more energy (combined energy hits 871 and 609). The swell height is small, only 4 ft to 3 ft, but that long period groundswell is a tease – it would be best on a point or reef, but with the continual cross-off wind, the surface is just ruined. The wave comments are all “poor” or “marginal,” with scores of 0 or 1.
Jump to the end of the first week, the 30th and 31st of August, and we’re back to the short-period ENE swell, 5 ft to 7 ft. The 31st brings a tiny 2 ft SSW swell with long period (14 seconds) in the afternoon, but it’s not enough to save the day. The first of September has the biggest energy spike we see – up to 1042 on the Tuesday morning with 7 ft of ENE swell at 8 seconds, but the wind is still 22 mph ENE. Again, expert-only and not worth the drive.
The second week, from the 2nd to the 8th of September, is more of the same: ENE windswell, 4 ft to 6 ft, all with that nasty cross-off wind. There’s a brief return of the long-period S swell on the 5th and 6th (2 ft to 3 ft, 20 second and 19 second periods), but again, the wind kills any hope. The energy is moderate to strong (up to 738), but the score is always a zero or a one.
There is no standout day here. The best you could call is the Thursday morning the 27th of August, with that 4 ft S swell at 17 seconds and combined energy of 871, but even then, the 19 mph ENE cross-off wind keeps it in the “marginal” bin. It’s a long period which would normally bring in some nice lines, but it’s a beach break, so it’ll be straight and hard to paddle out with that wind.
Honestly, this is a blank run. No good options in the whole sixteen-day window. For In Betweens, a stretch like this is more normal than not, so don’t get your hopes up. The wind has to swing around before it’s any good.
Rusty.
Short Range ForecastMostly dry. Warm (max 27°C on Mon afternoon, min 25°C on Mon night). Mainly strong winds. | Days 4-6 Weather SummaryMostly dry. Warm (max 26°C on Thu morning, min 25°C on Thu morning). Mainly fresh winds. | ||||||||||||||||||||
Monday 24 | Tuesday 25 | Wednesday 26 | Thursday 27 | Friday 28 | Saturday 29 | Sunday 30 | |||||||||||||||
AM | PM | 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) | ENE 7 | E 7 | E 7 | E 7 | ENE 7 | E 7 | SSW 14 | S 18 | S 19 | S 17 | S 16 | S 16 | S 14 | S 14 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
Wave Graph | |||||||||||||||||||||
195 | 269 | 231 | 382 | 301 | 240 | 225 | 307 | 351 | 716 | 427 | 482 | 260 | 329 | 229 | 247 | 230 | 237 | 204 | 218 | 270 | |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore 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 | cross-off |
High Tide | 2:26PM0.67m | 2:21AM0.29m | 2:56PM0.68m | 2:55AM0.33m | 3:24PM0.68m | 3:31AM0.37m | 3:53PM0.66m | 4:08AM0.41m | 4:20PM0.62m | 4:47AM0.46m | 4:49PM0.57m | 5:30AM0.50m | 5:18PM0.51m | ||||||||
Low Tide | 9:35PM0.13m | 7:43AM0.06m | 9:53PM0.11m | 8:24AM0.05m | 10:12PM0.10m | 9:05AM0.06m | 10:32PM0.08m | 9:46AM0.07m | 10:54PM0.07m | 10:31AM0.10m | 11:17PM0.05m | 11:22AM0.14m | 11:42PM0.05m | ||||||||
6:11 | — | — | 6:11 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | 6:13 | — | — | |
— | 6:53 | — | — | 6:52 | — | — | 6:52 | — | — | 6:52 | — | — | 6:51 | — | — | 6:50 | — | — | 6:49 | — | |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 27 | 26 | 26 | 26 | 25 | 25 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 26 | 25 | 26 | 27 | 26 |
Feels °C | 24 | 26 | 26 | 24 | 22 | 23 | 22 | 23 | 23 | 24 | 23 | 23 | 23 | 24 | 22 | 22 | 22 | 22 | 24 | 26 | 24 |
Swell 1 Height (m) Direction Period (s) | E 8 | E 7 | SSW 13 | SSW 12 | SSW 16 | SSW 15 | SSW 14 | S 18 | S 19 | S 17 | S 16 | S 16 | S 14 | S 14 | S 13 | E 14 | E 13 | NE 6 | SSW 16 | SSW 16 | SSW 15 |
68 | 269 | 127 | 85 | 142 | 121 | 215 | 307 | 351 | 716 | 427 | 482 | 260 | 329 | 229 | 138 | 171 | 94 | 171 | 160 | 199 | |
Swell 2 Height (m) Direction Period (s) | SSW 14 | SSW 13 | SSE 7 | SSW 16 | SSW 12 | SSW 12 | S 18 | SSW 13 | SSW 13 | NNE 8 | SSW 12 | E 16 | SSW 11 | E 14 | E 12 | S 13 | S 12 | E 7 | E 12 | S 12 | S 11 |
166 | 156 | 19 | 146 | 81 | 81 | 165 | 135 | 137 | 7 | 47 | 20 | 38 | 61 | 48 | 85 | 76 | 100 | 103 | 100 | 59 | |
Swell 3 Height (m) Direction Period (s) | SSE 12 | SSE 12 | SSW 17 | SSE 12 | SSE 7 | SSW 18 | SSE 12 | SSE 6 | SSW 16 | W 9 | N 8 | WNW 11 | NNE 7 | SSW 19 | ENE 15 | S 13 | S 13 | S 12 | S 12 | E 12 | ENE 11 |
50 | 47 | 94 | 30 | 9 | 109 | 27 | 7 | 50 | 7 | 5 | 11 | 10 | 36 | 73 | 89 | 89 | 102 | 69 | 67 | 40 | |
Wind waves Height (m) Direction Period (s) | ENE 7 | — | E 7 | E 7 | ENE 7 | E 7 | ENE 6 | ENE 6 | E 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 6 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 | ENE 7 |
195 | — | 231 | 382 | 301 | 240 | 225 | 170 | 188 | 155 | 135 | 139 | 127 | 161 | 214 | 247 | 230 | 237 | 204 | 218 | 270 | |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 38 | 30 | 30 | 38 | 38 | 30 | 38 | 38 | 30 | 30 | 44 | 30 | 31 | 39 | 32 | 38 | 39 | 30 | 30 | 30 | 1 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
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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.











