Surf Break

Lat Long: 13.26° N 144.66° E

GUAM

Threes 48 hour detailed Surf Forecast

Issued: 3 pm 25 Sep 2026 (local time)

Forecast update in  hr  min

Today's Threes sea temperature is
29.7°C
0.3° 

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 (25 Sep):

  • Afternoon surf: Afternoon surf (25 Sep, local time) - 2.5ft (0.7m), 6s period with SW swell.
  • Evening surf: Evening surf (25 Sep, local time) - 2.5ft (0.7m), 6s period with SW swell.

The current surf forecast for Threes at 8PM is: 0.7m 6s primary swell from a Southwest direction (forecast issued at 03:00pm September 25). An open ocean swell of 0.6m 8s is not directed at the surf break. The wind direction is predicted to be onshore.

Time (ChST) & DateWave HeightWave Period
Morning (25 Sep)--
Afternoon (25 Sep)2.5ft (0.7m)6s
Evening (25 Sep)2.5ft (0.7m)6s

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


Short Range Forecast

Moderate rain (total 13mm), heaviest on Sun afternoon. Warm (max 29°C on Fri afternoon, min 28°C on Fri afternoon). Wind will be generally light.

Fri
25
Saturday
26
Sunday
27
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
1
1
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)
0.7
SW
6
0.7
SW
6
0.7
SW
6
0.7
SW
6
0.8
SW
6
0.8
SW
6
0.8
SW
6
0.8
SW
6
0.8
SW
6
0.8
SW
6
0.7
SW
6
0.7
SW
6
0.7
SW
6
0.7
SW
6
0.8
SW
6
0.9
SW
6
0.8
SW
6
0.8
SW
6
0.8
SW
7
0.8
SW
7
Wave Graph
Metric surfscale
Energy kJ
39
38
39
40
46
46
46
46
46
46
36
38
39
39
47
58
47
56
54
55
Wind (km/h)
10
W
10
W
10
W
10
WNW
5
NW
10
NNW
10
N
5
N
5
WNW
10
NW
5
NW
5
WNW
5
NW
5
NW
10
NW
5
NNW
5
NW
5
WNW
5
NNW
0
W
Wind State
cross-on
cross-on
on
on
on
cross-on
cross-on
glassy
on
on
on
glassy
on
cross-on
cross-on
cross-on
glassy
on
glassy
glassy
High Tide
7:09PM0.71m
6:54AM0.70m
7:30PM0.71m
7:44AM0.73m
7:51PM0.72m
Low Tide
12:37PM0.06m
1:02AM0.23m
1:14PM0.10m
1:35AM0.15m
1:50PM0.16m
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
6:09
—
—
—
—
—
—
—
6:09
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
6:15
—
—
—
—
—
—
—
6:15
—
—
—
—
—
—
—
6:14
—
—
 mm
2
1
1
—
—
—
—
—
1
1
1
1
1
—
—
—
—
1
2
2
Temp °C
28
29
28
28
28
28
28
28
29
29
29
28
28
28
28
28
29
29
28
28
Feels °C
32
33
31
32
32
32
32
32
33
32
33
32
32
32
32
31
32
32
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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