Threes surfForecast / Guam / Guam

information circle48hr Weather and Surf, issued 9 pm Sunday 31 May 2026 ChST
Forecast update in hr  min  s Forecast update imminent
Threes surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Threes sea temperature is
28.9° C
(Which is normal for this time of year)

How big are the waves at Threes today (01 Jun):

  • Morning surf: Morning surf (01 Jun, local time) - 2.5ft (0.8m), 10s period with W swell.
  • Afternoon surf: Afternoon surf (01 Jun, local time) - 3ft (0.9m), 10s period with W swell.
  • Evening surf: Evening surf (01 Jun, local time) - 2.5ft (0.8m), 10s period with W swell.

The current surf forecast for Threes at 1AM is: 0.8m 10s primary swell from a West direction and 0.5m 8s secondary swell from a Southwest direction (forecast issued at 09:00pm May 31). An open ocean swell of 1.1m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (01 Jun)2.5ft (0.8m)10s
Afternoon (01 Jun)3ft (0.9m)10s
Evening (01 Jun)2.5ft (0.8m)10s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 2mm), mostly falling on Mon morning. Warm (max 28°C on Sun night, min 27°C on Sun night). Wind will be generally light.

Sun
31
Monday
1
Tuesday
2
Wednesday
3
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
1 PM
4 PM
Rating
(10 max)
0
1
0
0
0
0
0
1
1
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
Swell
Height Map
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.7
W
9
0.8
W
10
0.8
W
10
0.8
W
10
0.8
W
10
0.7
W
10
0.8
W
10
1
W
10
0.9
W
10
0.8
W
10
0.7
WNW
10
0.7
WNW
10
0.7
WNW
10
0.7
WNW
10
0.6
WNW
10
0.6
WNW
10
0.6
WNW
10
0.5
W
10
0.6
WNW
10
0.5
W
10
0.6
WNW
11
0.7
WNW
11
0.7
WNW
10
0.7
WNW
11
Wave Graph
Metric surfscale
Energy kJ
81
122
125
125
122
92
122
196
177
141
106
102
102
100
75
78
80
49
85
48
91
101
95
99
Wind (km/h)
20
E
20
ENE
20
ENE
20
ENE
20
ENE
20
E
20
E
20
ENE
15
ENE
20
E
15
E
10
E
10
E
10
E
10
E
10
E
10
E
10
E
5
E
5
E
5
NE
10
NE
5
SE
5
SE
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
off
off
off
off
cross-off
glassy
glassy
cross-off
cross-off
cross-off
High Tide
9:21PM0.69m
6:56AM0.69m
10:00PM0.70m
7:25AM0.68m
10:38PM0.70m
7:55AM0.67m
Low Tide
2:11AM0.50m
2:26PM-0.09m
2:49AM0.52m
2:59PM-0.09m
3:27AM0.53m
3:33PM-0.08m
clear
clear
clear
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
clear
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:44
6:45
6:45
1
1
Temp °C
28
28
27
27
27
28
28
28
28
28
28
27
27
28
28
28
28
28
27
27
27
28
28
28
30
30
29
29
29
30
30
29
30
30
31
30
30
32
31
31
31
32
31
32
32
31
32
31
Swell 1
Height (m)
Direction
Period (s)
0.7
W
9
0.8
W
10
0.8
W
10
0.8
W
10
0.8
W
10
0.7
W
10
0.8
W
10
1
W
10
1.1
E
9
0.8
W
10
1
E
9
1
E
9
1
E
9
1
E
9
0.9
E
9
0.9
E
9
0.9
E
9
0.9
E
9
0.9
ENE
9
0.9
ENE
9
0.9
ENE
9
0.9
ENE
9
0.9
ENE
9
0.9
ENE
9
Energy kJ
81
122
125
125
122
92
122
196
202
141
164
164
168
168
136
133
133
133
138
138
135
135
135
135
Swell 2
Height (m)
Direction
Period (s)
0.6
SW
8
0.6
SW
8
0.5
SW
8
0.6
WSW
8
0.6
E
10
0.6
E
10
0.6
E
9
0.6
E
9
0.9
W
10
0.4
SW
8
0.7
WNW
10
0.7
WNW
10
0.7
WNW
10
0.7
WNW
10
0.6
WNW
10
0.6
WNW
10
0.6
WNW
10
0.5
W
10
0.6
WNW
10
0.5
W
10
0.6
WNW
11
0.7
WNW
11
0.7
WNW
10
0.7
WNW
11
Energy kJ
51
51
31
40
68
67
64
63
177
17
106
102
102
100
75
78
80
49
85
48
91
101
95
99
Swell 3
Height (m)
Direction
Period (s)
0.4
NE
11
0.4
NE
11
0.4
NE
11
0.4
NE
11
0.5
SW
8
0.4
WSW
7
0.4
SW
7
0.4
NE
11
0.4
NE
11
0.4
NE
11
0.4
WSW
8
0.4
WSW
8
0.4
WSW
8
0.4
WSW
8
0.4
WSW
8
0.4
SW
7
0.4
SW
7
0.3
WSW
7
0.3
WSW
7
0.4
WNW
11
0.4
SE
12
0.4
SE
12
0.4
SE
12
0.4
SE
11
Energy kJ
32
31
31
31
28
21
13
30
29
29
23
22
22
22
23
14
14
10
10
48
35
35
34
33
Wind waves
Height (m)
Direction
Period (s)
1.1
E
10
1.2
E
10
1.1
E
10
1.1
E
10
0.9
E
6
0.9
E
6
0.9
E
6
0.9
E
7
1.1
E
9
Energy kJ
230
273
225
225
66
68
67
69
198
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
2
1
1
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
1270
1270
1270
1270
1270
1284
1352
1352
25
26
9
0
0
0
0
0
0
0
0
0
0
0
0
0
Best forecast wave conditions in Guam
Rating
(10 max)
2
2
2
2
2
2
1
1
1
1
1
1
1
1
2
2
Best forecast wave conditions in Guam
Rating
(10 max)
2
2
2
2
2
2
1
1
1
1
1
1
1
1
2
2
Header Global
Rating
(10 max)
6
6
6
5
5
5
5
5
5
4
5
5
5
5
5
5
5
4
4
4
5
4
4
4
  • 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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