Threes Surf Break

Lat Long: 13.26° N 144.66° E

GUAM

Threes 48 hour detailed Surf Forecast

Issued: 3 am 06 Sep 2026 (local time)

Forecast update in  hr  min

Today's Threes sea temperature is
29.5°C
0.2° 

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


How big are the waves at Threes today (06 Sep):

  • Morning surf: Morning surf (06 Sep, local time) - 3.5ft (1.1m), 8s period with W swell.
  • Afternoon surf: Afternoon surf (06 Sep, local time) - 4ft (1.2m), 9s period with W swell.
  • Evening surf: Evening surf (06 Sep, local time) - 4ft (1.2m), 9s period with WNW swell.

The current surf forecast for Threes at 10AM is: 1.1m 8s primary swell from a West direction and 0.7m 10s secondary swell from a West-northwest direction (forecast issued at 03:00am September 06). The wind direction is predicted to be onshore.

Time (ChST) & DateWave HeightWave Period
Morning (06 Sep)3.5ft (1.1m)8s
Afternoon (06 Sep)4ft (1.2m)9s
Evening (06 Sep)4ft (1.2m)9s

Table - waves today at Threes. (Swell directed towards the surf break)


Short Range Forecast

Heavy rain (total 22mm), heaviest during Sun morning. Warm (max 28°C on Sun morning, min 27°C on Sun night). Wind will be generally light.

Sunday
6
Monday
7
Tuesday
8
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
1
0
0
1
0
1
1
1
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
Height Map
Wave
Height (m)
Direction
Period (s)
1.2
W
8
1.2
W
8
1.2
W
8
1.1
W
8
1.3
W
10
1.2
W
9
1.2
W
9
1.2
WNW
9
1.2
WNW
10
1.1
WNW
9
1.1
WNW
9
1.1
W
9
1
WNW
9
1
WNW
9
1
WNW
9
1
WNW
9
1
WNW
9
1
W
9
1.1
WNW
9
1
WNW
8
1.1
WNW
9
1.1
WNW
9
1.1
WNW
9
1.1
WNW
9
Wave Graph
Metric surfscale
Energy kJ
200
200
196
157
313
246
240
259
271
216
206
190
162
162
162
162
162
154
168
128
197
188
188
184
Wind (km/h)
10
NW
15
WNW
15
WNW
10
WNW
10
SW
5
WNW
10
NW
10
NNW
15
NNW
15
NNW
20
N
15
NNE
15
NNE
15
NNE
15
N
20
N
20
N
25
N
20
N
20
NNE
15
N
20
N
15
NNW
20
NNW
Wind State
on
on
on
on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
High Tide
00:50AM0.67m
5:23PM0.67m
2:18AM0.66m
6:12PM0.71m
3:50AM0.67m
6:50PM0.73m
Low Tide
9:10AM-0.04m
9:58PM0.56m
10:22AM-0.07m
11:14PM0.51m
11:23AM-0.09m
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thunderstorm
thunderstorm
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thunderstorm
thunderstorm
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thunderstorm
thunderstorm
part cloud
thunderstorm
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thunderstorm
thunderstorm
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thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:29
6:28
6:28
 mm
1
2
5
6
4
1
2
2
1
2
1
1
Temp °C
28
28
28
28
28
28
28
28
28
27
27
28
28
28
27
27
27
27
27
27
28
28
27
27
Feels °C
32
31
31
32
31
32
31
31
31
29
28
30
30
30
29
29
28
28
29
29
30
30
29
29
  • 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
How to use the Wavefinder 

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 Threes 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.


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