Threes surfForecast / Guam / Guam

information circle48hr Weather and Surf, issued 3 am Tuesday 31 Mar 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
28.2° C
(Which is normal for this time of year)

How big are the waves at Threes today?

The current surf forecast for Threes at 9AM is: 0.9m 7s primary swell from a North-northeast direction (forecast issued at 03:00am March 31). An open ocean swell of 0.6m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (31 Mar)3ft (0.9m)7s
Afternoon (31 Mar)3.5ft (1.0m)8s
Evening (31 Mar)3.5ft (1.0m)8s

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


Updates in  hr  min  s Forecast update imminent
Tuesday
31
Wednesday
01
Thursday
02
1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM
Rating
(10 max)
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1
N
0.9
NNE
1
N
0.9
NNE
0.9
NNE
1
NNE
1.1
NNE
1
N
0.9
NNE
0.9
NNE
0.9
NNE
0.9
NNE
0.9
NNE
0.9
NNE
0.9
NNE
1
NNE
1
NNE
1
NNE
1.5
ENE
1.5
ENE
0.5
NNE
0.5
NNE
0.4
NNE
1.4
ENE
Period(s) (?)1181178888888889991010999999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)251942389199127142137119125127127127131156168175175004949290
Wind
(km/h)
20
NE
20
NE
20
ENE
20
ENE
20
E
20
ENE
20
ENE
20
ENE
20
ENE
20
NE
25
ENE
25
ENE
25
ENE
25
ENE
25
NE
25
NE
25
NE
25
NE
25
ENE
25
NE
25
NE
25
NE
25
NE
20
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
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
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
7:07AM
0.74
6:48PM
0.66
7:30AM
0.74
7:41PM
0.67
7:52AM
0.73
8:29PM
0.67
Low Tide
/ height (m)
12:22AM
0.04
1:08PM
0.25
1:04AM
0.10
1:42PM
0.17
1:41AM
0.16
2:14PM
0.11
Tuesday
31
Wednesday
01
Thursday
02
Sunrise--6:18-------6:18-------6:16-----
Sunset-----6:31-------6:31-------6:32--
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
Rain (mm)
--------1---------1111--
Temp. °C272727272828272727272727282827272727272727272727
Feels °C (?)292929293030292929282827292928282828282827282829
  • 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

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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