Surf Forecasts:
Sandy Beach surf forecast from 30 Jul 2026:
- Most powerful swell: Saturday 1 Aug, 5AM (local time) - 10ft (3.0m), 8s period, E swell with 1,041 kJ wave energy.
Best Forecast Surf Conditions for Sandy Beach this week:
The most powerful waves expected at Sandy Beach in the next 16 days are 3.0m 8s and forecast to arrive on Saturday (Aug 01) at 5AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.7m 15s period and expected on Friday (Jul 31) at 5PM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | - | - |
| Best Surf | - | - |
| Most Powerful | 5AM (Sat 1st Aug) | 10ft (3.0m) 8s |
Table - best surf conditions forecast for Sandy Beach over the next 16 days.
Short Range ForecastMostly dry. Warm (max 27°C on Thu afternoon, min 24°C on Fri night). Winds increasing (light winds from the ENE on Wed night, strong winds from the ENE by Fri night). | Days 5-7 Weather SummaryMostly dry. Warm (max 26°C on Tue afternoon, min 24°C on Sat night). Winds decreasing (strong winds from the ENE on Sat night, moderate winds from the ENE by Tue morning). | ||||||||||||||||||
Thursday 30 | Friday 31 | Saturday 1 | Sunday 2 | Monday 3 | Tuesday 4 | ||||||||||||||
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 8 | ENE 8 | ENE 8 | E 7 | E 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 9 | ENE 11 | ENE 11 | ENE 10 |
Wave Graph  | |||||||||||||||||||
 kJ | 224 | 250 | 207 | 245 | 367 | 416 | 923 | 871 | 871 | 979 | 844 | 720 | 554 | 439 | 329 | 311 | 553 | 452 | 331 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross | cross-on | cross-on | cross-on | cross | cross | cross | cross-on | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross | cross-on |
High Tide | 3:26AM0.26m | 3:57PM0.68m | 4:08AM0.30m | 4:25PM0.65m | 4:55AM0.33m | 4:53PM0.60m | 5:48AM0.38m | 5:22PM0.53m | 6:48AM0.43m | 5:53PM0.45m | 7:57AM0.48m | 6:26PM0.37m | |||||||
Low Tide | 10:49PM0.08m | 8:58AM0.02m | 11:13PM0.07m | 9:38AM0.05m | 11:37PM0.06m | 10:23AM0.11m | 00:02AM0.05m | 11:17AM0.16m | 00:29AM0.04m | 12:27PM0.23m | 00:59AM0.04m | 2:07PM0.27m | 1:37AM0.03m | ||||||
 |  | | | | |  | | | | | | |  | | | |  |  | |
 | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:03 | — | — | 6:05 | — | — |
 | 7:10 | — | 7:09 | — | — | 7:09 | — | — | 7:08 | — | — | 7:08 | — | — | 7:07 | — | — | 7:07 | — |
mm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 26 | 26 | 27 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 25 |
Feels °C | 29 | 28 | 27 | 26 | 24 | 23 | 21 | 20 | 20 | 21 | 21 | 21 | 21 | 23 | 22 | 23 | 25 | 26 | 24 |
Swell 1 Height (m) Direction Period (s) | ENE 8 | ENE 8 | ENE 8 | S 13 | S 12 | E 16 | E 15 | E 15 | E 14 | E 14 | E 14 | E 14 | E 13 | E 12 | E 12 | ENE 9 | ENE 11 | ENE 11 | ENE 10 |
| kJ | 224 | 250 | 204 | 166 | 153 | 301 | 267 | 267 | 194 | 194 | 188 | 142 | 125 | 80 | 113 | 311 | 553 | 452 | 331 |
Swell 2 Height (m) Direction Period (s) | S 14 | S 14 | S 13 | SSW 16 | E 15 | SW 15 | SW 15 | SSW 14 | SSW 14 | SSW 14 | SSW 14 | SSW 13 | SSW 13 | SW 13 | SW 13 | E 12 | SSW 12 | SSW 12 | SW 15 |
| kJ | 184 | 179 | 171 | 177 | 159 | 239 | 223 | 127 | 123 | 131 | 133 | 67 | 56 | 42 | 41 | 187 | 47 | 44 | 57 |
Swell 3 Height (m) Direction Period (s) | SW 19 | SW 18 | SSW 18 | E 16 | SW 16 | S 12 | S 12 | S 12 | S 11 | S 11 | N 9 | N 9 | SW 13 | SSW 13 | SSW 12 | SSW 12 | SSE 8 | SSE 8 | SSW 11 |
| kJ | 58 | 154 | 207 | 127 | 206 | 106 | 69 | 42 | 39 | 22 | 15 | 6 | 42 | 32 | 29 | 48 | 14 | 11 | 40 |
Wind waves Height (m) Direction Period (s) | — | — | — | E 7 | E 8 | ENE 8 | E 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | ENE 8 | — | — | — | — |
| kJ | — | — | — | 245 | 367 | 416 | 923 | 871 | 871 | 979 | 844 | 720 | 554 | 439 | 329 | — | — | — | — |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 5 | 42 | 47 | 47 | 55 | 67 | 110 | 111 | 62 | 113 | 57 | 57 | 50 | 55 | 50 | 16 | 16 | 16 | 16 |
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 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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