Threes Surf Break

Lat Long: 13.26° N 144.66° E

GUAM

Threes 48 hour detailed Surf Forecast

Issued: 9 pm 14 Sep 2026 (local time)

Forecast update in  hr  min

Today's Threes sea temperature is
30.0°C
0.7° 

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


Time (ChST) & DateWave HeightWave Period
Morning (15 Sep)1ft (0.3m)7s
Afternoon (15 Sep)--
Evening (15 Sep)--

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


Short Range Forecast

Heavy rain (total 22mm), heaviest during Mon night. Warm (max 29°C on Tue morning, min 27°C on Mon night). Wind will be generally light.

Mon
14
Tuesday
15
Wednesday
16
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
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1
ENE
11
1
ENE
9
1
ENE
9
1
ENE
9
0.3
SW
7
0.3
SW
7
0.7
ENE
13
0.7
ENE
13
1
ENE
9
1
ENE
9
0.9
SW
8
0.9
SW
8
0.9
SW
8
1
NE
9
0.8
SW
8
0.9
SW
8
1.2
NE
10
1.2
NE
9
Wave Graph
Metric surfscale
Energy kJ
0
0
0
0
7
7
0
0
0
0
102
93
86
152
88
100
269
247
Wind (km/h)
15
NE
15
NE
10
NE
5
E
5
WNW
5
NW
10
WNW
15
NW
15
NNW
15
NW
15
NW
15
NW
10
NW
10
WNW
15
W
20
W
20
WSW
25
WSW
Wind State
cross-off
cross-off
cross-off
off
glassy
on
on
on
cross-on
cross-on
cross-on
on
on
on
on
on
cross-on
cross-on
High Tide
9:25PM0.70m
10:42AM0.65m
9:48PM0.68m
11:39AM0.62m
Low Tide
4:04AM0.07m
4:09PM0.34m
4:44AM0.06m
4:45PM0.41m
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
clear
thunderstorm
thunderstorm
clear
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>
6:22
6:22
 mm
1
4
2
1
1
2
3
1
1
1
1
1
Temp °C
27
27
27
28
28
28
29
29
28
28
28
28
28
29
29
29
28
28
Feels °C
30
30
30
32
33
32
32
31
31
31
31
31
31
33
32
31
30
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 

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