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Surf Forecasts:

Threes surfForecast / Guam / Guam

information circle48hr Weather and Surf, issued 3 am Wednesday 21 Jan 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
28.5° C
 (Which is slightly warmer than usual)

How big are the waves at Threes today?

The current surf forecast for Threes at 12PM is: 0.5m 10s primary swell from a Northeast direction (forecast issued at 03:00am January 21). An open ocean swell of 1.1m 8s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (21 Jan)1.5ft (0.5m)10s
Afternoon (21 Jan)2ft (0.6m)10s
Evening (21 Jan)2ft (0.6m)10s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Wednesday
21
Thursday
22
Friday
23
1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM
Rating
(10 max)
0
0
0
1
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.3
N
0.3
NE
0.4
NE
0.5
NE
0.5
NE
0.6
NE
0.6
NE
0.6
NE
0.6
NE
0.6
NE
0.5
N
0.4
NE
0.4
NE
0.4
NE
0.5
W
0.5
W
0.4
NE
0.6
W
0.6
W
0.6
W
0.4
NW
0.5
NW
0.5
NW
0.6
NW
Period(s) (?)78101010101010109101212121091299912121111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)81325484960595857535439393749454263615939686194
Wind
(km/h)
10
NE
15
NNE
15
NNE
15
E
20
ENE
20
NE
20
E
30
ENE
30
E
30
ESE
25
ESE
30
ESE
30
ESE
25
ESE
20
SE
20
SE
20
SSE
20
SSE
20
SSE
25
SSE
30
S
30
S
30
S
25
S
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off		crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		offoffoffoffoffoffoffoffcross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
10:12AM
0.76
8:31PM
0.68
10:36AM
0.75
9:22PM
0.65
11:00AM
0.75
Low Tide
/ height (m)
2:57AM
-0.11
3:36PM
0.42
3:30AM
-0.06
4:16PM
0.37
4:04AM
0.01
5:00PM
0.30
Wednesday
21
Thursday
22
Friday
23
Sunrise--6:48-------6:48-------6:48-----
Sunset-----6:15-------6:15-------6:16--
part cloud
part cloud
cloud
thunderstorm
thunderstorm
thunderstorm
mod rain
mod rain
cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
clear
Rain (mm)
---35489---32372352111--
Temp. °C272727272525252627272827282828282828282828282828
Feels °C (?)292929302626262627272927293030303130313029292929
  • 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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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.

View detailed surf forecast for Threes at:
surf-forecast.com

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