Threes Surf Break
GUAM

Threes 48 hour detailed Surf Forecast

Lat Long: 13.26° N 144.66° E

Issued: 3 pm 30 Jun 2026 (local time)

Forecast update in  hr  min

Today's Threes sea temperature is
29.4° C

Normal for this time of year

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 (30 Jun):

  • Afternoon surf: Afternoon surf (30 Jun, local time) - 0.5ft (0.2m), 9s period with WNW swell.
  • Evening surf: Evening surf (30 Jun, local time) - 0.5ft (0.2m), 8s period with WNW swell.

The current surf forecast for Threes at 7PM is: 0.2m 8s primary swell from a West-northwest direction (forecast issued at 03:00pm June 30). An open ocean swell of 0.9m 8s is not directed at the surf break, a second open ocean swell of 0.3m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (30 Jun)--
Afternoon (30 Jun)0.5ft (0.2m)9s
Evening (30 Jun)0.5ft (0.2m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 14mm), heaviest on Wed night. Warm (max 29°C on Tue afternoon, min 28°C on Tue night). Wind will be generally light.

Tue
30
Wednesday
1
Thursday
2
Fri
3
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
1 AM
4 AM
7 AM
10 AM
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
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.3
WNW
8
0.2
WNW
9
0.2
WNW
8
0.2
WNW
8
0.9
ENE
8
0.2
WNW
8
0.2
WNW
8
0.1
NW
7
0.1
SW
6
0.1
SW
6
0.1
SW
6
0.2
WSW
6
1
E
8
1
E
8
0.2
WSW
7
1
ENE
8
0.2
WSW
6
0.2
WSW
6
0.2
WSW
6
0.2
WSW
7
0.4
SW
7
0.4
SW
7
0.4
SW
7
0.4
SW
7
Wave Graph
Metric surfscale
Energy kJ
14
7
6
6
0
6
6
2
2
2
2
4
0
0
4
0
4
4
4
5
14
14
14
13
Wind (km/h)
10
E
15
E
15
ENE
20
ENE
20
ENE
20
E
15
E
20
E
20
E
20
E
15
E
15
E
20
ENE
20
ENE
15
ENE
15
ENE
10
ENE
10
ENE
15
NE
15
NE
15
NE
15
NE
10
NE
10
NE
Wind State
off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-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
cross-off
cross-off
cross-off
High Tide
9:42PM0.72m
7:07AM0.69m
10:14PM0.72m
7:42AM0.68m
10:45PM0.72m
8:19AM0.67m
Low Tide
2:07PM-0.10m
2:33AM0.52m
2:40PM-0.11m
3:10AM0.52m
3:12PM-0.10m
3:46AM0.50m
thunderstorm
clear
clear
clear
clear
thunderstorm
clear
thunderstorm
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
clear
clear
thunderstorm
clear
thunderstorm
clear
clear
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:51
6:51
6:52
6:52
 mm
1
1
1
1
2
3
1
1
1
1
1
Temp °C
29
29
29
28
28
28
28
28
29
29
29
28
28
28
28
28
28
29
29
28
28
28
28
28
Feels °C
32
31
31
30
30
30
30
29
31
31
31
30
30
30
30
30
31
33
32
31
31
31
32
32
Swell 1
Height (m)
Direction
Period (s)
1
ENE
8
1
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.4
E
9
0.4
E
10
0.4
SE
8
0.4
SE
8
0.4
SE
8
1.1
E
8
1
E
8
1
E
8
0.3
SE
8
0.4
SE
9
1
ENE
8
1
E
8
0.9
ENE
8
0.9
ENE
9
0.8
ENE
9
0.8
ENE
9
0.8
ENE
9
0.8
ENE
9
0.8
ENE
8
Energy kJ
144
144
119
122
89
27
31
18
18
18
177
147
147
10
29
151
144
120
123
101
103
101
99
96
Swell 2
Height (m)
Direction
Period (s)
0.3
SE
8
0.3
SE
8
0.3
SE
8
0.4
SE
8
0.4
E
9
0.4
SE
8
0.4
SE
8
0.1
NW
7
0.1
SW
6
0.1
SW
6
0.4
SE
8
0.4
SE
8
0.3
SE
8
0.3
SE
10
0.2
SSE
6
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
9
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
0.4
SE
8
Energy kJ
11
11
11
18
26
18
18
2
2
2
18
18
10
15
4
29
28
27
19
25
25
18
18
24
Swell 3
Height (m)
Direction
Period (s)
0.3
WNW
8
0.2
WNW
9
0.2
WNW
8
0.2
WNW
8
0.4
SE
8
0.2
WNW
8
0.2
WNW
8
0.1
SW
6
0.1
SE
12
0.1
SE
12
0.1
SW
6
0.2
WSW
6
0.2
SSE
10
0.2
SSE
6
0.2
WSW
7
0.2
SSE
6
0.2
WSW
6
0.2
WSW
6
0.2
WSW
6
0.2
WSW
7
0.4
SW
7
0.4
SW
7
0.4
SW
7
0.4
SW
7
Energy kJ
14
7
6
6
18
6
6
2
6
6
2
4
9
4
4
4
4
4
4
5
14
14
14
13
Wind waves
Height (m)
Direction
Period (s)
0.4
ENE
3
0.9
ENE
8
1
ENE
8
1.2
E
8
1.2
E
8
1.1
E
8
1
E
8
1
ENE
8
Energy kJ
3
110
140
205
205
173
144
147
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
23
1270
25
1284
1284
26
1270
1810
1270
1270
1270
1270
1270
1270
23
23
23
25
2056
2056
2086
1270
1270
1270
Best forecast wave conditions in Guam
Rating
(10 max)
1
1
1
1
1
1
1
Best forecast wave conditions in Guam
Rating
(10 max)
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
5
5
5
5
5
5
5
5
5
5
5
5
5
4
5
5
8
5
7
6
6
5
7
9
  • 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
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