Threes Surf Break

Lat Long: 13.26° N 144.66° E

GUAM

Threes 48 hour detailed Surf Forecast

Issued: 9 am 09 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 (09 Sep):

  • Morning surf: Morning surf (09 Sep, local time) - 3.5ft (1.0m), 10s period with WNW swell.
  • Afternoon surf: Afternoon surf (09 Sep, local time) - 3.5ft (1.0m), 9s period with WNW swell.
  • Evening surf: Evening surf (09 Sep, local time) - 3.5ft (1.0m), 9s period with WNW swell.

The current surf forecast for Threes at 4PM is: 1.0m 9s primary swell from a West-northwest direction (forecast issued at 09:00am September 09). An open ocean swell of 0.4m 9s is not directed at the surf break, a second open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (ChST) & DateWave HeightWave Period
Morning (09 Sep)3.5ft (1.0m)10s
Afternoon (09 Sep)3.5ft (1.0m)9s
Evening (09 Sep)3.5ft (1.0m)9s

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


Short Range Forecast

Light rain (total 5mm), mostly falling on Wed morning. Warm (max 29°C on Wed morning, min 27°C on Thu night). Wind will be generally light.

Wednesday
9
Thursday
10
Friday
11
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
1
1
1
1
1
1
1
1
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
WNW
10
1
WNW
10
1
WNW
10
1
WNW
9
1.1
NW
9
1
WNW
9
1
WNW
9
0.9
WNW
9
0.9
WNW
9
0.8
WNW
8
0.8
WNW
8
0.8
WNW
8
0.7
WNW
8
0.7
WNW
8
0.7
WNW
8
0.6
WNW
8
0.6
WNW
8
0.6
W
8
0.5
W
8
0.5
W
8
0.5
W
7
0.5
W
7
Wave Graph
Metric surfscale
Energy kJ
175
175
175
184
211
158
154
124
108
82
80
78
70
70
68
50
48
42
29
29
27
26
Wind (km/h)
25
N
20
N
20
NNE
20
NNE
20
NNE
20
NE
20
NE
15
NE
15
ENE
15
ENE
10
E
10
ENE
10
ENE
15
ENE
15
NE
10
NE
10
NE
10
ENE
10
ENE
10
ENE
10
ENE
10
ENE
Wind State
cross-on
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
5:07AM0.69m
7:22PM0.74m
6:12AM0.71m
7:51PM0.74m
7:10AM0.72m
8:17PM0.73m
Low Tide
12:16PM-0.08m
00:52AM0.37m
1:02PM-0.05m
1:33AM0.29m
1:45PM0.01m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
part cloud
clear
clear
part cloud
part cloud
thunderstorm
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
<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>
6:27
6:25
6:25
 mm
2
1
1
1
1
1
Temp °C
28
29
29
29
28
28
28
28
28
29
29
29
29
28
28
28
27
28
29
29
28
28
Feels °C
29
30
30
30
30
30
30
30
31
32
33
32
33
31
31
32
30
31
32
33
32
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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