Threes Surf Break

Lat Long: 13.26° N 144.66° E

GUAM

Threes 48 hour detailed Surf Forecast

Issued: 3 pm 01 Sep 2026 (local time)

Forecast update in  hr  min

Today's Threes sea temperature is
29.6°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 (01 Sep):

  • Afternoon surf: Afternoon surf (01 Sep, local time) - 4.5ft (1.4m), 9s period with WNW swell.
  • Evening surf: Evening surf (01 Sep, local time) - 5ft (1.6m), 9s period with W swell.

The current surf forecast for Threes at 10PM is: 1.6m 9s primary swell from a West direction and 0.5m 10s secondary swell from a Northeast direction (forecast issued at 03:00pm September 01). The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (ChST) & DateWave HeightWave Period
Morning (01 Sep)--
Afternoon (01 Sep)4.5ft (1.4m)9s
Evening (01 Sep)5ft (1.6m)9s

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


Short Range Forecast

Heavy rain (total 42mm), heaviest during Wed afternoon. Warm (max 28°C on Tue afternoon, min 27°C on Tue night). Mainly near gales.

Tue
1
Wednesday
2
Thursday
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
Rating
(10 max)
0
1
2
2
1
0
0
0
0
1
2
1
1
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
Wave
Height (m)
Direction
Period (s)
1.5
W
9
1.4
WNW
9
1.6
W
9
1.6
W
9
1.5
W
9
1.4
W
9
1.4
W
9
1.4
W
9
1.3
W
9
1.4
W
9
1.5
W
9
1.5
W
8
1.5
W
8
1.5
W
8
1.3
WNW
8
1.2
WNW
8
1.6
SW
7
1.3
WNW
12
1.3
WNW
12
2.4
SW
8
Wave Graph
Metric surfscale
Energy kJ
359
307
417
408
351
306
306
306
264
306
334
311
304
304
216
194
241
436
462
664
Wind (km/h)
10
NNW
10
NNE
5
NE
5
SE
15
SW
15
W
20
WNW
20
WNW
15
W
5
W
5
W
5
WSW
15
SW
25
SSW
50
SSW
45
SW
35
WSW
40
SW
35
SW
35
SW
Wind State
cross-on
cross
cross-off
cross-off
cross
cross-on
on
on
on
cross-on
glassy
cross-on
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
10:14AM0.66m
10:00PM0.71m
11:19AM0.63m
10:28PM0.71m
12:39PM0.61m
Low Tide
4:00PM0.25m
4:42AM0.07m
4:39PM0.34m
5:36AM0.03m
5:24PM0.44m
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thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
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<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>
6:32
6:31
6:30
 mm
2
2
2
1
1
2
3
4
2
1
3
4
3
1
1
3
3
1
Temp °C
28
28
28
28
27
27
27
27
27
27
27
27
27
27
27
27
27
27
28
27
Feels °C
31
31
32
32
30
29
29
29
29
31
31
31
30
27
23
24
26
25
27
26
  • 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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