Surf Forecasts:
Sandy Beach surf forecast from 8 Oct 2026:
- Best quality surf: Wednesday 14 Oct, 2AM (local time) - 2ft (0.6m), 13s period, S swell with glassy winds.
- Most powerful swell: Friday 9 Oct, 8PM (local time) - 3.5ft (1.1m), 16s period, S swell with 627 kJ wave energy.
- Next surfable swell (1★+): Wednesday 14 Oct, 2AM (local time) - 2ft (0.6m), 13s period with S swell.
Best Forecast Surf Conditions for Sandy Beach this week:
The surf forecast for Sandy Beach over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Oct 14) at 2AM. The primary swell is predicted to be 1.1m and 7s period with a secondary swell of 0.6m and 13s. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Sandy Beach in the next 16 days are 1.1m 16s and forecast to arrive on Friday (Oct 09) at 8PM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 15s period and expected on Thursday (Oct 08) at 8AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 2AM (Wed 14th Oct) | 2ft (0.6m) 13s |
| Best Surf | 2AM (Wed 14th Oct) | 2ft (0.6m) 13s |
| Most Powerful | 8PM (Fri 9th Oct) | 3.5ft (1.1m) 16s |
Table - best surf conditions forecast for Sandy Beach over the next 16 days.
Short Range ForecastModerate rain (total 14mm), heaviest on Thu morning. Warm (max 27°C on Thu afternoon, min 25°C on Fri night). Mainly fresh winds. | Days 4-6 Weather SummaryModerate rain (total 10mm), heaviest on Tue morning. Warm (max 26°C on Sun afternoon, min 25°C on Sun morning). Winds decreasing (fresh winds from the ENE on Mon afternoon, calm by Tue night). | ||||||||||||||||||||
Thursday 8 | Friday 9 | Saturday 10 | Sunday 11 | Monday 12 | Tuesday 13 | Wednesday 14 | |||||||||||||||
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) | S 18 | S 18 | SSW 18 | SSW 17 | S 16 | SSW 16 | S 20 | S 15 | S 18 | S 18 | S 16 | S 16 | ENE 8 | S 15 | ENE 8 | E 8 | ENE 8 | S 13 | ENE 8 | S 12 | S 20 |
Wave Graph  | |||||||||||||||||||||
 kJ | 243 | 230 | 408 | 487 | 422 | 256 | 485 | 362 | 498 | 216 | 249 | 246 | 149 | 205 | 273 | 272 | 202 | 132 | 160 | 98 | 188 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross-on | cross-on | on | cross-on | cross-on | cross | cross | cross-on | cross-on | cross | cross | cross | cross | cross-on | cross-on | cross | glassy | glassy | glassy | cross |
High Tide | 1:31PM0.55m | 2:16AM0.57m | 2:03PM0.50m | 2:52AM0.62m | 2:34PM0.43m | 3:28AM0.65m | 3:04PM0.37m | 4:03AM0.66m | 3:33PM0.32m | 4:41AM0.65m | 4:04PM0.27m | 5:22AM0.62m | 4:38PM0.23m | ||||||||
Low Tide | 8:06PM0.02m | 8:34AM0.12m | 8:28PM0.02m | 9:24AM0.13m | 8:49PM0.02m | 10:15AM0.15m | 9:11PM0.02m | 11:06AM0.16m | 9:34PM0.03m | 12:03PM0.17m | 9:58PM0.05m | 1:11PM0.18m | 10:24PM0.08m | ||||||||
 | |  | |  |  |  | | | | | | | | | | | | |  | | |
 | 6:22 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — | 6:24 | — | — |
 | — | 6:12 | — | — | 6:10 | — | — | 6:09 | — | — | 6:08 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — |
mm | 5 | 4 | 4 | 1 | — | — | — | — | — | — | — | — | — | — | 3 | 3 | 3 | 1 | — | 1 | 3 |
Temp °C | 26 | 27 | 26 | 27 | 27 | 26 | 25 | 25 | 25 | 25 | 26 | 25 | 26 | 26 | 26 | 25 | 25 | 26 | 26 | 26 | 26 |
Feels °C | 26 | 26 | 27 | 29 | 30 | 27 | 24 | 22 | 23 | 24 | 25 | 26 | 26 | 25 | 25 | 25 | 26 | 28 | 30 | 30 | 29 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | W 15 | SSW 18 | SSW 17 | S 16 | SSW 16 | S 20 | S 15 | ENE 6 | ENE 6 | S 16 | ENE 8 | ENE 8 | ENE 8 | S 14 | E 8 | ENE 8 | S 13 | ENE 8 | NE 9 | S 12 |
| kJ | 187 | 205 | 408 | 487 | 422 | 256 | 485 | 343 | 82 | 50 | 249 | 125 | 149 | 163 | 146 | 272 | 202 | 117 | 160 | 77 | 100 |
Swell 2 Height (m) Direction Period (s) | W 15 | SSW 13 | W 14 | S 6 | E 6 | NNW 11 | S 15 | S 19 | S 18 | S 18 | NE 6 | S 16 | S 15 | S 15 | NNW 16 | NW 15 | NW 14 | NNW 14 | S 12 | S 12 | NNW 12 |
| kJ | 216 | 137 | 191 | 42 | 38 | 105 | 212 | 362 | 498 | 216 | 24 | 246 | 106 | 205 | 169 | 176 | 169 | 129 | 97 | 98 | 101 |
Swell 3 Height (m) Direction Period (s) | S 18 | S 18 | E 7 | E 6 | S 6 | S 12 | NNW 10 | E 12 | S 14 | S 13 | S 13 | S 13 | E 12 | SW 17 | SSW 16 | S 13 | S 13 | NE 9 | NNW 13 | NNW 13 | S 20 |
| kJ | 243 | 230 | 44 | 39 | 22 | 129 | 85 | 76 | 187 | 128 | 125 | 119 | 71 | 135 | 103 | 123 | 123 | 42 | 116 | 114 | 188 |
Wind waves Height (m) Direction Period (s) | S 5 | S 6 | S 6 | — | — | ENE 6 | E 6 | ENE 6 | — | — | — | — | — | — | ENE 8 | — | — | ENE 7 | — | E 5 | NE 8 |
| kJ | 77 | 165 | 106 | — | — | 60 | 97 | 113 | — | — | — | — | — | — | 273 | — | — | 132 | — | 28 | 102 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 57 | 57 | 5 | 42 | 5 | 16 | 47 | 47 | 16 | 42 | 5 | 14 | 42 | 19 | 47 | 42 | 5 | 0 | 0 | 0 | 5 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Sandy Beach 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 Sandy Beach Surf forecast
The above surf forecast table for Sandy Beach provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Sandy Beach can be found by selecting the local surf guide option on the grey menu. Our Sandy Beach 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 (Sandy Beach) 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 Sandy Beach 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.
Sandy's Beach is 15 km (9 miles) from the city of Kailua. If you plan a vacation in Oahu, look for hotels and other accommodation in Kailua. Kailua has rooms for a wide range of budgets as well as car hire and transport links.
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