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Surf Forecasts:

Threes surfForecast / Guam / Guam

information circle48hr Weather and Surf, issued 9 am Friday 15 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
28.8° C
 (Which is normal for this time of year)

How big are the waves at Threes today?

The current surf forecast for Threes at 4PM is: 0.2m 10s primary swell from a North direction (forecast issued at 09:00am May 15). An open ocean swell of 0.4m 12s is not directed at the surf break, a second open ocean swell of 1.3m 9s is not directed at the surf break. The wind direction is predicted to be offshore.

Time (ChST) & DateWave HeightWave Period
Morning (15 May)0.5ft (0.2m)7s
Afternoon (15 May)0.5ft (0.2m)10s
Evening (15 May)0.5ft (0.2m)10s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table

Short Range Forecast

Mostly dry. Warm (max 28°C on Fri morning, min 27°C on Fri night). Mainly fresh winds.

Friday
15
Saturday
16
Sunday
17
Mon
18
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
1 AM
4 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 MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
0.2
N
7
0.1
N
7
0.1
N
10
0.2
N
10
0.2
N
10
0.1
N
10
0.2
N
11
0.1
N
11
0.2
N
11
0.2
N
11
0.1
N
11
0.2
N
10
0.2
N
10
0.2
N
10
0.2
N
10
0.2
N
10
0.2
N
10
0.2
N
9
0.2
N
9
0.2
N
9
0.2
N
9
0.2
N
9
0.2
N
9
0.2
N
9
Wave Graph
Metric surfscale
Energy kJ
4
1
2
8
8
2
9
2
9
9
2
8
8
8
8
8
8
7
7
6
6
6
6
6
Wind (km/h)
25
E
25
ESE
25
ESE
25
E
25
E
25
E
25
E
25
E
25
E
30
E
30
E
30
E
30
E
30
E
30
E
30
E
30
ENE
30
E
30
E
30
E
30
E
30
E
30
E
30
E
Wind State
off
off
off
off
off
off
off
off
cross-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
5:26AM0.75m
7:14PM0.71m
5:58AM0.77m
8:13PM0.75m
6:34AM0.78m
9:12PM0.78m
Low Tide
12:21PM-0.05m
00:29AM0.37m
1:06PM-0.15m
1:20AM0.43m
1:51PM-0.22m
2:11AM0.48m
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
—
—
—
—
—
—
5:54
—
—
—
—
—
—
—
5:54
—
—
—
—
—
—
—
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
6:38
—
—
—
—
—
—
—
6:39
—
—
—
—
—
—
—
6:39
—
—
—
6:39
 mm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Temp °C
28
28
28
28
28
28
28
28
27
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
Feels °C
28
29
29
29
29
29
29
28
27
28
28
28
28
28
28
28
28
27
27
28
28
28
28
28
Swell 1
Height (m)
Direction
Period (s)
0.4
SE
12
0.4
SE
12
0.4
SE
12
0.4
SE
12
0.4
SE
12
0.4
SE
12
0.4
SE
12
0.4
SE
12
0.4
SE
11
0.3
SE
11
0.3
SE
11
0.3
SE
11
0.3
SE
11
0.4
SE
11
0.2
N
10
0.2
N
10
0.2
N
10
0.2
N
9
0.2
N
9
0.2
N
9
0.2
N
9
0.2
N
9
0.2
N
9
0.2
N
9
Energy kJ
53
52
51
50
50
49
49
34
32
19
19
19
19
30
8
8
8
7
7
6
6
6
6
6
Swell 2
Height (m)
Direction
Period (s)
0.2
S
6
0.2
S
6
0.2
S
6
0.2
N
10
0.2
N
10
0.1
N
10
0.2
N
11
0.1
N
10
0.2
N
11
0.2
N
11
0.1
N
11
0.2
N
10
0.2
N
10
0.2
N
10
—
—
0.1
S
10
—
0.1
S
9
0.1
S
9
—
—
—
—
Energy kJ
3
3
3
8
8
2
9
2
9
9
2
8
8
8
—
—
2
—
2
2
—
—
—
—
Swell 3
Height (m)
Direction
Period (s)
0.2
N
7
0.1
N
7
0.1
N
10
0.2
S
6
0.1
S
6
0.1
S
6
0.1
NE
8
0.1
N
11
0.1
S
9
0.1
S
9
0.1
S
9
0.1
S
9
0.1
S
9
0.1
S
8
—
—
—
—
—
—
—
—
—
—
Energy kJ
4
1
2
3
1
1
2
2
2
2
2
2
2
1
—
—
—
—
—
—
—
—
—
—
Wind waves
Height (m)
Direction
Period (s)
1.3
E
9
1.3
E
9
1.3
E
9
1.3
E
9
1.3
E
9
1.3
E
8
1.4
E
8
1.4
E
8
1.4
E
8
1.6
E
9
1.7
E
9
1.7
E
9
1.9
E
8
2
E
8
2.1
E
9
2.2
E
9
2.2
E
9
2.3
E
9
2.3
E
9
2.3
E
9
2.2
E
9
2.3
E
10
2.3
E
10
2.2
E
10
Energy kJ
262
264
258
258
257
235
270
270
279
399
440
430
466
555
671
775
792
880
880
880
845
943
963
882
Nearest Offshore or Glassy
Lidos Left
Sandaun
Lidos Left
Sandaun
Nago
New Ireland
Nago
New Ireland
Nago
New Ireland
Lidos Left
Sandaun
Lidos Left
Sandaun
Lidos Left
Sandaun
Lidos Left
Sandaun
Lidos Left
Sandaun
Nago
New Ireland
Mabuntok
Siargao Islands
Mabuntok
Siargao Islands
Mabuntok
Siargao Islands
Lidos Left
Sandaun
Lidos Left
Sandaun
Lidos Left
Sandaun
Lidos Left
Sandaun
Tuason Point
Siargao Islands
Edmago
New Ireland
Mabuntok
Siargao Islands
Lidos Left
Sandaun
Vanimo Reef
Sandaun
Lidos Left
Sandaun
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)
1810
1810
1889
1889
1889
1810
1810
1810
1810
1810
1889
2056
2056
2056
1810
1810
1810
1810
2051
1891
2056
1810
1810
1810
Best forecast wave conditions in Guam
Rating
(10 max)
Best forecast wave conditions in Guam
Rating
(10 max)
Header Global
Trial Harbour
Australia
Bali Village
Indonesia
J-Bay
South Africa
Boneyards
South Africa
Dias Beach
South Africa
Brak River
South Africa
Boneyards
South Africa
Boneyards
South Africa
Cape St Martin
South Africa
Cape St Martin
South Africa
Cape St Martin
South Africa
Van Stadens Mouth
South Africa
Brighton Beach
South Africa
Easter Reef
Australia
Easter Reef
Australia
Easter Reef
Australia
Easter Reef
Australia
Trial Harbour
Australia
Buchupureo
Chile
Moss Landing
United States
Steamer Lane-The Point
United States
Fullers
United States
Fullers
United States
Steamer Lane-Middle Peak
United States
Rating
(10 max)
5
4
6
5
5
5
5
5
5
5
5
5
4
5
5
5
5
5
4
5
8
8
9
5
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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View detailed surf forecast for Threes at:
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