Sandy Beach Surf Break

Lat Long: 21.29° N 157.67° W

Issued: 1 am 05 Jul 2026 (local time)

Forecast update in  hr  min

Today's Sandy Beach sea temperature is
26.5° C

Slightly warmer than usual

Sandy Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Sandy Beach surf forecast from 5 Jul 2026:

  • Most powerful swell: Saturday 11 Jul, 2AM (local time) - 8ft (2.5m), 8s period, ENE swell with 728 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 2.5m 8s and forecast to arrive on Saturday (Jul 11) at 2AM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.9m 17s period and expected on Sunday (Jul 12) at 5AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 2AM (Sat 11th Jul)8ft (2.5m) 8s

Table - best surf conditions forecast for Sandy Beach over the next 16 days.


Updates in  hr  min  s Forecast update imminent

Alright, Rusty here again, lookin’ at the same stretch for Sandy Beach. And man, it’s a tough one.

We’ve got a big gap of nothing good – from Sunday, July 5th, all the way through the end of the 16-day window. The swell is not the problem. We see waves coming in, but the wind is a constant enemy. It’s a cross-shore from the ENE, blowing 18–25 mph, day after day. That makes for a messy, lumpy cross-chop and just poor conditions overall.

Even when the swell hits a solid 7 ft on the 6th, with combined energy hitting 865 (moderate wave energy), it’s all blown apart. The swell period is short, mostly 7-8 seconds, so it’s weak and choppy. There’s a sweet 0.8 ft SSW groundswell on the 5th with a super-long 18-second period and energy at 861, but with the cross-wind, it’s a total waste.

For beginners, the swell gets over 5 ft from the 6th to the 11th, topping out at 8 ft, so that’s expert territory. But the wind ruins it for everyone. With that constant cross-shore and strong breeze, I’d say this spot is more interesting for kite surfing than paddle surfing right now.

The water temp is a warm 80°, pretty average for the time of year. No help there.

There’s no standout day here. It’s a dry run, plain and simple. Could change, but right now, leave the board at home.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 25°C on Sun morning, min 24°C on Sun morning). Mainly strong winds.

Days 4-6 Weather Summary

Some drizzle, heaviest during Fri night. Warm (max 25°C on Thu morning, min 24°C on Wed morning). Mainly strong winds.

Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
Saturday
11
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
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
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
SSW
18
0.8
SSW
18
0.9
SSW
16
2.2
ENE
7
2.2
ENE
8
2.2
ENE
7
2.1
ENE
8
2.3
ENE
8
2.5
ENE
8
2
ENE
8
2.1
ENE
7
2.1
ENE
7
1.9
ENE
8
1.7
ENE
7
1.9
ENE
7
2
ENE
8
2.2
ENE
8
2.5
ENE
8
2.1
ENE
8
2
ENE
8
2.1
ENE
8
Wave Graph
Metric surfscale
Energy kJ
418
408
457
503
551
542
501
576
725
452
469
468
411
327
400
428
531
728
501
447
469
Wind (km/h)
40
ENE
35
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
40
ENE
35
ENE
40
ENE
40
ENE
30
ENE
35
ENE
40
ENE
40
ENE
40
ENE
35
NE
30
ENE
Wind State
cross
cross
cross
cross
cross
cross-on
cross
cross
cross-on
cross
cross
cross-on
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
High Tide
6:38PM0.51m
8:45AM0.37m
7:16PM0.44m
9:53AM0.45m
8:03PM0.36m
10:53AM0.55m
9:06PM0.28m
11:46AM0.64m
10:28PM0.22m
12:36PM0.72m
11:48PM0.19m
1:24PM0.77m
00:55AM0.18m
Low Tide
12:14PM0.19m
2:11AM0.02m
1:48PM0.25m
2:44AM0.01m
3:55PM0.27m
3:22AM-0.01m
6:02PM0.24m
4:05AM-0.03m
7:30PM0.18m
4:54AM-0.05m
8:27PM0.12m
5:46AM-0.07m
9:12PM0.08m
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
rain showers
part cloud
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:54
5:54
5:54
5:54
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
7:15
7:15
7:15
7:15
7:15
7:15
7:15
 mm
1
Temp °C
25
24
24
24
24
24
24
24
24
24
24
24
25
25
25
25
25
24
24
24
24
Feels °C
22
20
20
20
19
20
19
20
19
20
20
20
22
21
24
23
23
21
20
20
20
Swell 1
Height (m)
Direction
Period (s)
0.8
SSW
18
0.8
SSW
18
0.9
SSW
16
0.8
SSW
16
0.9
SSW
15
0.8
SSW
15
0.8
SSW
14
0.8
SSW
14
0.8
SSW
14
0.7
SSW
14
0.7
SSW
13
0.6
S
13
0.6
S
12
0.6
S
12
0.5
S
12
0.5
S
12
0.4
SSW
11
0.5
SW
19
0.6
SSW
18
0.7
SW
18
0.8
SSW
17
Energy kJ
418
408
457
337
402
284
280
273
250
189
187
125
112
110
75
71
41
184
221
316
386
Swell 2
Height (m)
Direction
Period (s)
0.6
SSW
14
0.4
SW
14
0.3
SSW
13
0.2
SSE
9
0.2
SSE
9
0.2
SSE
8
0.2
SSE
10
0.1
SE
8
0.2
SSE
9
0.1
SE
9
0.2
SSE
8
0.2
W
15
0.2
SSE
8
0.2
W
14
0.2
W
13
0.2
W
13
0.4
SW
21
0.4
S
12
0.4
S
12
0.4
W
14
0.4
W
13
Energy kJ
138
51
34
8
8
7
9
3
8
3
7
17
6
15
13
13
109
43
44
62
55
Swell 3
Height (m)
Direction
Period (s)
0.2
SSE
11
0.2
SSW
11
0.2
SSE
10
0.2
SSW
13
0.1
W
10
0.1
NW
9
0.1
NW
9
0.1
S
10
0.1
W
18
0.1
S
18
0.1
S
10
0.2
S
16
0.2
SSE
5
0.2
W
16
0.2
W
15
0.3
S
13
0.4
W
13
0.4
W
14
0.4
S
12
0.3
S
11
Energy kJ
11
11
9
17
2
3
3
2
6
6
2
21
3
20
17
31
55
60
43
23
Wind waves
Height (m)
Direction
Period (s)
1.6
ENE
8
1.9
ENE
7
1.8
ENE
7
2.2
ENE
7
2.2
ENE
8
2.2
ENE
7
2.1
ENE
8
2.3
ENE
8
2.5
ENE
8
2
ENE
8
2.1
ENE
7
2.1
ENE
7
1.9
ENE
8
1.7
ENE
7
1.9
ENE
7
2
ENE
8
2.2
ENE
8
2.5
ENE
8
2.1
ENE
8
2
ENE
8
2.1
ENE
8
Energy kJ
294
376
316
503
551
542
501
576
725
452
469
468
411
327
400
428
531
728
501
447
469
Nearest Offshore or Glassy
Rating
(10 max)
3
3
2
1
2
2
1
1
2
2
1
1
2
1
1
1
1
2
2
1
2
Distance (km)
55
59
47
111
113
48
110
110
55
59
59
55
55
61
47
48
57
55
61
110
47
Best forecast wave conditions in Oahu
Rating
(10 max)
3
3
2
2
2
2
1
1
2
1
1
1
2
2
2
3
Best forecast wave conditions in United States
Rating
(10 max)
3
3
3
2
3
3
2
2
4
2
2
4
2
1
4
1
2
3
3
2
3
Header Global
Rating
(10 max)
7
6
5
8
7
5
5
9
8
9
6
7
8
8
6
9
6
4
9
7
7
  • 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 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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