Sandy Beach Surf Break

Lat Long: 21.29° N 157.67° W

Issued: 1 pm 03 Jul 2026 (local time)

Forecast update in  hr  min

Today's Sandy Beach sea temperature is
26.3° C

Normal for this time of year

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 4 Jul 2026:

  • Most powerful swell: Tuesday 7 Jul, 11PM (local time) - 7.5ft (2.3m), 8s period, ENE swell with 604 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 2.3m 8s and forecast to arrive on Tuesday (Jul 07) at 11PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 0.5m 15s period and expected on Saturday (Jul 04) at 8PM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful11PM (Tue 7th Jul)7.5ft (2.3m) 8s

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


Updates in  hr  min  s Forecast update imminent

Alright folks, Rusty here. Let's get straight into it. We’re looking at Sandy Beach for the next couple of weeks, and I gotta be honest with you, the news isn't what we want to hear.

Looking at the whole run, there is not a single session rated as something you’d paddle out for. It’s a grim outlook, plain and simple. The wind is a constant problem. From Friday afternoon, July 3rd, all the way through to Saturday afternoon, July 18th, we’ve got a relentless cross-shore wind howling out of the ENE at 18 to 25 mph. That’s a stiff breeze to a strong breeze, and it’s going to tear the surface apart, leaving us with lumpy, messy, cross-chop every single day. There’s no let-up, no glassy morning window, just fresh to strong cross-shore wind ruining any chance of a smooth face.

The swell itself is a bit of a mixed bag, but the wind kills it. For the first few days, we see some ENE windswell in the 5 to 6 ft range with short periods of just 7 to 8 seconds. A couple of pulses show bigger numbers, like 7 ft on Monday and Tuesday (July 6th and 7th), with moderate wave energy showing up, but again, that raw power is completely wasted by the wind. On the flip side, there are smaller long-period south swells trying to sneak in, like 2 ft with a 20-second period on Saturday afternoon (July 4th), and a few bigger ones around 3 ft with 18-second periods on the weekend of July 11th and 12th. That kind of long-period groundswell would normally be magic, but with an 18-25 mph cross-wind, it’ll just be a bumpy, un-rideable mess. For a beach and reef setup like Sandy Beach, that long period stuff would need clean, calm conditions to be worthwhile.

The water temperature on the first day we have a reading is 79°F, so it’s right where you’d expect it for this time of year.

The bottom line is a tough one: we’ve got a solid 16 days with *zero* recommended surf. There’s simply no good option on the table. Unless the wind forecast changes drastically, leave the board in the car and don't even bother checking the cams. With this persistent wind and the beach/reef setup, if you’re really desperate for some time on the water, this looks way more like a kite-surfing setup than a paddle-surfing one. Conditions can always change, and it doesn’t often stay this poor forever, but for now, it’s a write-off.

Rusty.

Short Range Forecast

Mostly dry. Warm (max 25°C on Fri afternoon, min 24°C on Fri night). Mainly strong winds.

Days 5-7 Weather Summary

Mostly dry. Warm (max 25°C on Wed afternoon, min 24°C on Mon afternoon). Mainly strong winds.

Fri
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
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
Height Map
Wave
Height (m)
Direction
Period (s)
1.5
ENE
8
1.6
ENE
8
1.7
ENE
8
0.7
S
20
0.8
SSW
19
0.8
SSW
18
0.8
SSW
18
2.2
ENE
7
2.2
ENE
7
2.2
ENE
8
2.2
ENE
7
2.1
ENE
8
2.2
ENE
7
2.3
ENE
8
1.9
ENE
7
1.7
ENE
7
2
ENE
7
1.7
ENE
7
1.6
ENE
7
1.8
ENE
7
1.4
ENE
7
Wave Graph
Metric surfscale
Energy kJ
271
310
336
377
486
418
408
503
503
531
498
487
516
588
400
294
417
271
229
312
191
Wind (km/h)
35
ENE
35
ENE
35
ENE
30
NE
35
ENE
40
ENE
35
ENE
40
ENE
40
ENE
40
ENE
40
ENE
35
ENE
40
ENE
40
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
35
ENE
40
ENE
Wind State
cross
cross
cross
cross
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross
cross
cross-on
cross
cross
cross-on
cross
High Tide
5:31PM0.62m
6:20AM0.24m
6:04PM0.58m
7:31AM0.29m
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
Low Tide
1:11AM0.05m
11:08AM0.12m
1:41AM0.04m
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
clear
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
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
7:15
 mm
Temp °C
25
24
24
24
24
24
24
24
24
24
24
24
24
24
24
25
24
24
25
24
24
Feels °C
23
21
20
20
21
21
20
20
20
19
19
19
20
20
20
21
20
21
22
21
21
Swell 1
Height (m)
Direction
Period (s)
0.6
SSW
16
1.6
ENE
8
0.7
SSW
16
0.7
S
20
0.8
SSW
19
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
Energy kJ
208
310
212
377
486
418
408
371
337
402
284
280
273
250
189
187
125
112
112
75
71
Swell 2
Height (m)
Direction
Period (s)
0.4
SSW
12
0.5
SSW
16
0.6
S
21
0.6
SSW
16
0.4
SSW
14
0.6
SSW
14
0.4
SSW
14
0.3
SSW
13
0.2
SSE
9
0.2
SSE
10
0.1
SW
9
0.2
SSE
8
0.1
SE
8
0.1
SE
10
0.2
SSE
8
0.2
SSE
8
0.2
W
16
0.3
W
15
0.3
SSE
7
0.4
W
14
0.4
W
14
Energy kJ
60
146
326
162
69
138
79
34
8
10
3
7
3
4
7
7
20
39
11
59
58
Swell 3
Height (m)
Direction
Period (s)
0.2
S
12
0.4
SSW
12
0.2
SSW
16
0.3
SSW
11
0.4
SW
15
0.2
SSE
11
0.2
SSE
11
0.2
SSE
10
0.2
SSW
13
0.1
SE
8
0.1
SW
9
0.1
NW
9
0.1
S
10
0.1
W
18
0.1
W
17
0.2
SSE
8
0.2
SSE
8
0.3
W
14
0.2
S
15
0.2
SSW
21
Energy kJ
11
59
25
23
54
11
11
10
17
3
3
3
2
6
6
7
6
36
17
45
Wind waves
Height (m)
Direction
Period (s)
1.5
ENE
8
1.7
ENE
8
1.6
ENE
8
1.7
ENE
7
1.9
ENE
7
2
ENE
7
2.2
ENE
7
2.2
ENE
7
2.2
ENE
8
2.2
ENE
7
2.1
ENE
8
2.2
ENE
7
2.3
ENE
8
1.9
ENE
7
1.7
ENE
7
2
ENE
7
1.7
ENE
7
1.6
ENE
7
1.8
ENE
7
1.4
ENE
7
Energy kJ
271
336
310
310
359
389
503
503
531
498
487
516
588
400
294
417
271
229
312
191
Nearest Offshore or Glassy
Rating
(10 max)
2
2
3
3
3
3
3
2
1
1
2
2
1
2
2
1
1
1
1
1
1
Distance (km)
55
47
48
48
47
55
57
50
110
111
50
55
111
49
55
55
47
47
61
47
55
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
3
3
3
3
3
2
2
2
2
2
1
1
1
1
1
1
Best forecast wave conditions in United States
Rating
(10 max)
2
3
3
3
3
3
3
3
2
2
4
2
3
4
2
2
4
1
1
4
3
Header Global
Rating
(10 max)
7
5
5
5
9
7
7
5
8
7
5
6
9
8
9
8
5
5
5
4
9
  • 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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