Surf Forecasts:
Sandy Beach surf forecast from 17 Jun 2026:
- Best quality surf: Thursday 18 Jun, 8AM (local time) - 3.5ft (1.1m), 16s period, S swell with glassy winds.
- Most powerful swell: Thursday 18 Jun, 5AM (local time) - 3.5ft (1.1m), 16s period, S swell with 620 kJ wave energy.
- Next surfable swell (1★+): Thursday 18 Jun, 8AM (local time) - 3.5ft (1.1m), 16s 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 Thursday (Jun 18) at 8AM. The primary swell is predicted to be 1.1m and 16s period with a secondary swell of 0.8m and 5s. 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 Thursday (Jun 18) at 5AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 8s period and expected on Wednesday (Jun 24) at 5AM.
| Wave Type | Time (HST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 8AM (Thu 18th Jun) | 3.5ft (1.1m) 16s |
| Best Surf | 8AM (Thu 18th Jun) | 3.5ft (1.1m) 16s |
| Most Powerful | 5AM (Thu 18th Jun) | 3.5ft (1.1m) 16s |
Table - best surf conditions forecast for Sandy Beach over the next 16 days.
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 4mm), mostly falling on Wed night. Warm (max 26°C on Thu morning, min 24°C on Wed night). Wind will be generally light. | Days 4-6 Weather SummaryMostly dry. Warm (max 25°C on Sat morning, min 24°C on Sat morning). Mainly fresh winds. | ||||||||||||||||||||
Wednesday 17 | Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | |||||||||||||||
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) | SSW 13 | S 17 | S 16 | S 15 | S 14 | S 14 | S 13 | S 13 | S 13 | S 12 | S 15 | S 15 | S 20 | S 19 | S 18 | S 18 | S 16 | SSW 16 | NE 10 | SSW 15 | S 19 |
Wave Graph  | |||||||||||||||||||||
 kJ | 312 | 288 | 321 | 522 | 423 | 320 | 219 | 219 | 166 | 99 | 109 | 106 | 186 | 184 | 221 | 150 | 131 | 86 | 61 | 73 | 273 |
Wind (km/h) | |||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | cross-on | cross | cross-on | glassy | cross-on | cross-on | cross-on | cross | cross-on | cross-on | cross | cross | cross | cross | cross | cross | cross | cross-on | cross-on | cross | cross-on |
High Tide | 5:27PM0.74m | 5:56AM0.19m | 6:13PM0.67m | 7:12AM0.23m | 6:57PM0.59m | 8:35AM0.29m | 7:39PM0.51m | 9:52AM0.37m | 8:22PM0.42m | 10:55AM0.45m | 9:08PM0.34m | 11:46AM0.53m | 9:59PM0.27m | ||||||||
Low Tide | 10:04AM-0.04m | 1:13AM0.01m | 10:58AM0.02m | 1:57AM0.01m | 12:00PM0.10m | 2:37AM0.01m | 1:19PM0.18m | 3:13AM0.00m | 3:02PM0.24m | 3:47AM-0.00m | 5:02PM0.26m | 4:20AM-0.00m | 6:51PM0.23m | 4:52AM-0.01m | |||||||
 | |  | | |  |  | |  | | | | | | | | | | | | | |
 | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:48 | — | — | 5:50 | — | — |
 | — | 7:14 | — | — | 7:14 | — | — | 7:14 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — |
mm | — | — | 3 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Temp °C | 25 | 25 | 25 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 25 | 24 | 24 | 24 | 25 |
Feels °C | 27 | 24 | 26 | 30 | 29 | 28 | 27 | 26 | 25 | 26 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 22 | 21 | 21 | 24 |
Swell 1 Height (m) Direction Period (s) | SSW 13 | SSW 13 | SSW 13 | S 15 | S 14 | S 14 | S 13 | ENE 6 | E 6 | S 12 | S 12 | S 12 | S 13 | S 13 | S 18 | NE 11 | NE 11 | NE 10 | NE 10 | ENE 6 | S 19 |
| kJ | 312 | 246 | 218 | 522 | 423 | 320 | 219 | 42 | 40 | 99 | 67 | 69 | 127 | 123 | 221 | 121 | 112 | 63 | 61 | 49 | 273 |
Swell 2 Height (m) Direction Period (s) | ENE 8 | ENE 8 | S 16 | ENE 5 | E 5 | NE 9 | SSW 19 | S 13 | S 13 | S 16 | S 15 | S 15 | E 5 | S 19 | NE 11 | S 12 | S 16 | SSW 16 | N 7 | NE 10 | NE 10 |
| kJ | 76 | 78 | 321 | 31 | 12 | 47 | 115 | 219 | 166 | 81 | 109 | 106 | 11 | 184 | 77 | 71 | 131 | 86 | 9 | 60 | 59 |
Swell 3 Height (m) Direction Period (s) | S 18 | S 17 | ENE 5 | SSE 13 | NE 9 | E 5 | NE 6 | S 18 | S 16 | NE 7 | SSE 11 | SW 18 | S 20 | NE 8 | S 13 | S 18 | S 12 | S 12 | S 12 | SSW 15 | N 9 |
| kJ | 219 | 288 | 30 | 16 | 39 | 13 | 6 | 99 | 139 | 9 | 12 | 78 | 186 | 29 | 117 | 150 | 44 | 44 | 23 | 73 | 24 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | — | — | ENE 5 | — | — | E 5 | E 5 | E 5 | NE 8 | ENE 4 | ENE 4 | E 7 | E 7 | ENE 5 | ENE 5 | — | ENE 6 |
| kJ | — | — | — | — | — | — | 35 | — | — | 37 | 28 | 23 | 41 | 14 | 18 | 23 | 23 | 62 | 37 | — | 100 |
Nearest Offshore or Glassy | |||||||||||||||||||||
Distance (km) | 14 | 42 | 5 | 0 | 5 | 5 | 5 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 48 | 47 | 55 | 48 | 47 |
Best forecast wave conditions in Oahu | |||||||||||||||||||||
Best forecast wave conditions in United States | |||||||||||||||||||||
Header Global | |||||||||||||||||||||
- Map Icons:
Break
Live Wave Height (m)
Live Wind Speed (km/h)
Surf Rating (10 Max)
Ocean Swells (m)- Wind Speed (km/h)
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.
Nearest