Threes Surf Break

Lat Long: 13.26° N 144.66° E

GUAM

Threes 48 hour detailed Surf Forecast

Issued: 9 am 11 Sep 2026 (local time)

Forecast update in  hr  min

Today's Threes sea temperature is
29.8°C
0.5° 

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 (11 Sep):

  • Morning surf: Morning surf (11 Sep, local time) - 2ft (0.6m), 8s period with W swell.
  • Afternoon surf: Afternoon surf (11 Sep, local time) - 1.5ft (0.5m), 8s period with W swell.
  • Evening surf: Evening surf (11 Sep, local time) - 1.5ft (0.5m), 7s period with W swell.

The current surf forecast for Threes at 5PM is: 0.5m 7s primary swell from a West direction (forecast issued at 09:00am September 11). An open ocean swell of 0.8m 8s is not directed at the surf break, a second open ocean swell of 0.7m 14s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (11 Sep)2ft (0.6m)8s
Afternoon (11 Sep)1.5ft (0.5m)8s
Evening (11 Sep)1.5ft (0.5m)7s

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


Short Range Forecast

Light rain (total 9mm), mostly falling on Fri night. Warm (max 29°C on Sat afternoon, min 27°C on Fri night). Wind will be generally light.

Friday
11
Saturday
12
Sunday
13
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)
0
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)
0.6
WNW
8
0.6
W
8
0.5
W
8
0.5
W
7
0.5
W
7
0.5
W
7
0.4
W
7
0.4
W
7
0.8
ENE
13
0.8
ENE
13
0.8
E
13
0.8
E
13
0.8
ENE
13
0.8
ENE
13
0.8
ENE
13
0.2
W
7
0.2
W
7
0.2
W
6
0.2
WSW
6
0.2
WSW
6
0.2
WSW
6
0.2
WSW
6
Wave Graph
Metric surfscale
Energy kJ
48
42
29
28
26
25
16
16
0
0
0
0
0
0
0
4
3
3
4
4
4
4
Wind (km/h)
15
NE
15
NE
15
NE
15
ENE
15
ENE
10
ENE
10
NE
5
NE
10
NE
5
E
10
E
10
E
10
ENE
10
ENE
10
ENE
10
ENE
5
ENE
10
ENE
10
ESE
10
ESE
10
E
10
E
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
glassy
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
High Tide
7:10AM0.72m
8:17PM0.73m
8:04AM0.72m
8:41PM0.73m
8:57AM0.71m
9:03PM0.71m
Low Tide
1:45PM0.01m
2:11AM0.21m
2:23PM0.09m
2:49AM0.14m
2:59PM0.17m
clear
clear
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
clear
thunderstorm
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>
6:25
6:24
6:23
 mm
2
1
1
1
1
Temp °C
27
28
28
28
28
27
27
27
27
28
28
29
28
28
27
27
27
28
29
29
29
28
Feels °C
30
31
30
30
31
30
31
32
31
32
32
32
31
32
31
31
31
32
33
33
33
32
  • 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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