Sandy Beach Surf Break

Lat Long: 21.29° N 157.67° W

Issued: 1 pm 02 Jul 2026 (local time)

Forecast update in  hr  min

Today's Sandy Beach sea temperature is
26.2° 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 3 Jul 2026:

  • Most powerful swell: Tuesday 7 Jul, 5PM (local time) - 7ft (2.2m), 8s period, ENE swell with 572 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 2.2m 8s and forecast to arrive on Tuesday (Jul 07) at 5PM. 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 13s period and expected on Friday (Jul 03) at 8AM.

Wave TypeTime (HST) & Date Wave Height & Period
Next good surf (1 star+)--
Best Surf--
Most Powerful 5PM (Tue 7th Jul)7ft (2.2m) 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. Let’s talk about Sandy Beach for the next couple of weeks.

Right off the bat, the water temp is 79°, which is right about normal for this time of year. No big surprises there.

But the waves? Man, it’s a tough outlook. We’ve got a full 16-day stretch with absolutely nothing good to surf. Not one decent session in sight.

Starting Thursday, July 2nd, through Friday afternoon, July 3rd, we’re looking at 5ft to 5ft swell from the ENE, with a short, weak period of 8 seconds. The wind is a fresh cross-shore breeze at 22 mph out of the NE, making for lumpy, chopped-up conditions. Energy is moderate, sitting between 434 and 558. Just poor surf.

Saturday, July 4th, stays lumpy in the morning with 6ft ENE swell and 22 mph cross-shore winds. Energy bumps up to 890. The afternoon tries to switch it up – the swell drops to 2ft but it’s a long-period 20-second groundswell from the S, with energy at 918. The problem? The wind stays fresh and cross-shore, so that long-period energy gets all messed up. Long period like that is best at points and reefs, but Sandy Beach is a beach and reef setup, and with cross wind, it’s not going to be clean.

Sunday, July 5th, gets worse. Wind cranks up to a strong 25 mph cross-onshore from the ENE in the morning, making it strong and messy. Swell is just 3ft from the SSW with an 18-second period. Energy is still high at 939, but the wind is the enemy here.

From Monday, July 6th, all the way through to Friday, July 10th, it’s the same story on repeat. Swell bouncing between 5ft and 7ft from the ENE, period never getting above 8 seconds, and wind is always a fresh to strong cross-shore breeze at 22-25 mph. Energy runs from 311 up to 851, but every single report says “poor surf conditions.” This is a long, dead run.

The second week doesn’t turn it around. From Saturday, July 11th, to Friday, July 17th, it’s more of the same. Mostly 5ft to 6ft ENE swell, short period, and constant cross-shore or cross-onshore winds. There’s a little pulse of 3ft SSW swell on Monday, July 13th, with a 15-second period, and again on Wednesday, July 15th, with an 18-second period. But again, the wind stays fresh and cross-shore, so those south swells get torn up.

Given that Sandy Beach is a beach and reef setup, and the wind is never offshore (the ideal direction is from the NW, which doesn’t show up at all), this whole window is a washout for paddle surfing. With those strong cross-shore winds and solid 5ft to 7ft swell, this setup honestly looks more interesting for kite surfing.

There are zero recommendations here. Not a single session with clean conditions. It’s a long blank run, and for this spot, that can happen. Forecasts can change, but right now, leave the board at home.

Rusty.

Short Range Forecast

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

Days 5-7 Weather Summary

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

Thu
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
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)
1.6
ENE
8
1.6
ENE
8
1.5
ENE
8
1.6
ENE
8
1.7
ENE
8
1.7
ENE
8
0.7
S
20
0.8
SSW
19
0.8
SSW
18
0.8
SSW
18
0.9
SSW
16
2.1
ENE
7
2.1
ENE
8
2
ENE
8
2.2
ENE
8
2.2
ENE
8
2.1
ENE
8
1.9
ENE
8
1.7
ENE
8
1.7
ENE
7
1.9
ENE
7
Wave Graph
Metric surfscale
Energy kJ
302
294
253
294
345
327
377
486
418
408
457
456
522
439
512
572
481
397
345
319
379
Wind (km/h)
35
NE
35
ENE
35
ENE
35
ENE
30
ENE
35
ENE
35
ENE
35
ENE
40
ENE
40
ENE
40
ENE
35
ENE
40
ENE
35
ENE
40
ENE
40
ENE
40
ENE
40
ENE
35
ENE
30
ENE
35
ENE
Wind State
cross
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
High Tide
4:59PM0.65m
5:18AM0.20m
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
Low Tide
00:41AM0.05m
10:19AM0.06m
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
clear
part cloud
clear
clear
clear
part cloud
clear
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:52
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
25
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
25
Feels °C
23
23
22
21
20
21
21
21
20
20
20
20
20
20
20
19
20
20
20
21
22
Swell 1
Height (m)
Direction
Period (s)
0.6
SSW
14
0.6
SSW
13
0.5
SSW
17
0.6
SSW
16
0.5
SSW
16
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
0.8
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
SSW
13
0.6
S
12
Energy kJ
123
116
168
208
146
212
377
486
418
408
457
337
304
284
280
273
250
189
187
135
113
Swell 2
Height (m)
Direction
Period (s)
0.4
SSW
19
0.5
S
18
0.5
SW
13
0.4
SSW
12
0.4
SSW
12
0.6
S
21
0.6
SSW
16
0.7
SSW
15
0.6
SSW
14
0.4
SSW
14
0.3
SSW
13
0.2
SSE
9
0.2
SSE
9
0.2
SSE
9
0.1
SE
8
0.1
SE
8
0.2
SSE
10
0.2
SSE
9
0.2
SSE
8
0.1
SE
8
0.2
SSE
8
Energy kJ
117
163
85
60
59
326
162
188
138
79
34
8
9
7
3
3
9
7
7
3
6
Swell 3
Height (m)
Direction
Period (s)
0.3
SSE
9
0.2
SSE
9
0.2
S
13
0.2
SSE
9
0.4
SSW
22
0.2
SSW
16
0.3
SSW
11
0.3
E
9
0.2
SSE
11
0.2
SSE
11
0.2
SSE
10
0.2
SSW
13
0.2
SSW
13
0.1
SW
9
0.1
S
10
0.1
S
10
0.1
S
18
0.1
W
17
0.2
W
16
Energy kJ
16
8
13
8
164
25
23
14
11
11
10
17
16
3
2
2
6
6
21
Wind waves
Height (m)
Direction
Period (s)
1.6
ENE
8
1.6
ENE
8
1.5
ENE
8
1.6
ENE
8
1.7
ENE
8
1.7
ENE
8
1.7
ENE
8
1.7
ENE
7
1.8
ENE
8
1.8
ENE
7
2
ENE
7
2.1
ENE
7
2.1
ENE
8
2
ENE
8
2.2
ENE
8
2.2
ENE
8
2.1
ENE
8
1.9
ENE
8
1.7
ENE
8
1.7
ENE
7
1.9
ENE
7
Energy kJ
302
294
253
294
345
327
356
294
372
344
405
456
522
439
512
572
481
397
345
319
379
Nearest Offshore or Glassy
Rating
(10 max)
1
2
2
2
2
2
1
3
3
1
2
1
1
2
2
1
2
2
1
1
1
Distance (km)
110
47
47
55
47
48
57
48
55
55
55
110
110
49
59
110
55
55
55
48
55
Best forecast wave conditions in Oahu
Rating
(10 max)
2
2
2
2
3
1
3
3
3
2
2
2
2
2
1
2
1
Best forecast wave conditions in United States
Rating
(10 max)
2
2
2
2
3
3
2
3
3
3
3
2
2
3
2
2
4
3
2
4
2
Header Global
Rating
(10 max)
9
5
9
5
6
8
5
9
7
5
9
9
8
6
5
9
9
9
5
5
6
  • 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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