Sandy Beach surf break

Sandy Beach surfForecast / HAW – Oahu / USA

information circle12 Day Weather and Surf, issued 7 am Thursday 20 Nov 2025 HST
Forecast update in hr  min  s Forecast update imminent
Sandy Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Sandy Beach sea temperature is
26.0° C
(Which is normal for this time of year)


Best Forecast Surf Conditions for Sandy Beach this week:

The most powerful waves expected at Sandy Beach in the next 12 days are 2.1m 8s and forecast to arrive on Friday (Nov 21) at 2AM. Winds are predicted to be cross-onshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.2m 16s period and expected on Wednesday (Nov 26) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2AM (Fri 21st Nov)7ft (2.1m) 8s

Table - best surf conditions forecast for Sandy Beach over the next 12 days.

Updates in  hr  min  s Forecast update imminent

Short Range Forecast Some drizzle, heaviest during Thu night. Warm (max 25°C on Thu morning, min 24°C on Thu morning). Winds decreasing (fresh winds from the ENE on Thu afternoon, light winds from the E by Sat night).

Days 3-6 Weather Summary Mostly dry. Warm (max 25°C on Sun morning, min 23°C on Mon night). Wind will be generally light.

Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.8
ENE
1.9
ENE
2.1
ENE
1.8
ENE
1.6
E
1.6
ENE
1.4
ENE
1.3
ENE
1.2
E
1.1
E
1
E
1
E
1.2
E
1.1
E
0.9
E
0.8
E
0.8
E
0.8
E
0.8
E
0.7
E
0.6
E
Period(s) (?)888888888898888877777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)375397507427341359277240205173146143195157100727066614535
Wind
(km/h)
35
ENE
35
ENE
30
E
30
E
25
ENE
30
ENE
20
E
25
ENE
15
E
20
E
25
ENE
10
E
25
ENE
20
ENE
25
ENE
15
E
20
ENE
20
ENE
15
E
20
NE
30
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscross-
on
crosscross-
on
cross-
on
crosscross-
on
High Tide
/ height (m)
2:36PM
0.22
3:42AM
0.66
3:12PM
0.19
4:18AM
0.66
3:50PM
0.17
4:58AM
0.64
4:36PM
0.15
5:42AM
0.62
5:41PM
0.14
6:30AM
0.61
7:17PM
0.15
7:21AM
0.58
9:03PM
0.20
Low Tide
/ height (m)
10:42AM
0.12
8:19PM
-0.00
11:26AM
0.11
8:47PM
0.01
12:15PM
0.11
9:17PM
0.02
1:10PM
0.10
9:50PM
0.04
2:08PM
0.09
10:29PM
0.07
3:00PM
0.08
11:21PM
0.11
3:41PM
0.07
12:43AM
0.16
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Sunrise6:43--6:45--6:45--6:46--6:47--6:47--6:48--
Sunset-5:46--5:46--5:46--5:46--5:46--5:46--5:46-
part cloud
part cloud
thunderstorm
cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
cloud
thunderstorm
Rain (mm)
--1-----------------3
Temp. °C252525252525252525252525242424242525252424
Feels °C (?)222223242323242423252526242323242525262323
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
Map placeholder

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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 12 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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