Surf Break

Lat Long: 13.26° N 144.66° E

GUAM

Threes 48 hour detailed Surf Forecast

Issued: 9 am 13 Oct 2026 (local time)

Forecast update in  hr  min

Today's Threes sea temperature is
29.1°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 (13 Oct):

  • Morning surf: Morning surf (13 Oct, local time) - 2.5ft (0.7m), 10s period with N swell.
  • Afternoon surf: Afternoon surf (13 Oct, local time) - 2ft (0.6m), 10s period with N swell.
  • Evening surf: Evening surf (13 Oct, local time) - 2ft (0.6m), 9s period with N swell.

The current surf forecast for Threes at 5PM is: 0.6m 10s primary swell from a North direction (forecast issued at 09:00am October 13). An open ocean swell of 0.4m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (ChST) & DateWave HeightWave Period
Morning (13 Oct)2.5ft (0.7m)10s
Afternoon (13 Oct)2ft (0.6m)10s
Evening (13 Oct)2ft (0.6m)9s

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


Short Range Forecast

Mostly dry. Warm (max 28°C on Tue afternoon, min 26°C on Wed night). Wind will be generally light.

Tuesday
13
Wednesday
14
Thursday
15
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
1
1
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
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)
0.8
N
11
0.7
N
10
0.7
N
10
0.6
N
10
0.6
N
10
0.6
N
9
0.6
N
9
0.5
N
9
0.5
N
9
0.5
N
9
0.5
N
10
0.5
N
8
0.5
N
8
0.5
N
8
0.4
N
8
0.4
N
8
0.4
N
8
0.4
N
8
0.4
N
10
0.5
N
10
0.4
N
10
0.4
N
10
Wave Graph
Metric surfscale
Energy kJ
143
106
98
68
65
61
60
41
40
39
45
35
35
35
22
21
21
22
29
50
31
30
Wind (km/h)
5
S
10
SSE
10
S
5
SW
5
SW
5
SSE
5
SE
5
ESE
5
ESE
10
E
10
E
15
E
15
ENE
15
E
15
E
10
ENE
10
ENE
10
ENE
10
ENE
10
ENE
15
NE
15
NE
Wind State
glassy
cross-off
cross-off
cross
glassy
glassy
glassy
glassy
off
off
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
9:52AM0.70m
8:25PM0.68m
10:39AM0.68m
8:48PM0.66m
11:29AM0.66m
9:14PM0.64m
Low Tide
3:11PM0.40m
3:29AM-0.02m
3:47PM0.45m
4:05AM-0.01m
4:26PM0.48m
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
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6:11
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6:11
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<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
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6:02
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—
—
—
—
—
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6:02
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—
—
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6:01
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 mm
—
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—
—
—
—
—
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—
—
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—
—
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Temp °C
27
27
27
28
28
27
27
27
27
27
27
28
27
27
27
26
26
27
27
27
27
27
Feels °C
31
30
30
32
33
31
31
32
31
30
29
30
29
29
30
29
29
30
29
30
29
30
  • 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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