Boat Basin Lefts surf break

Boat Basin Lefts surfForecast / Guam / Guam

information circle48hr Weather and Surf, issued 9 pm Friday 09 Jan 2026 ChST
Forecast update in hr  min  s Forecast update imminent
Boat Basin Lefts surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Boat Basin Lefts sea temperature is
28.4° C
(Which is slightly warmer than usual)


How big are the waves at Boat Basin Lefts today?

The current surf forecast for Boat Basin Lefts at 1AM is: 2.0m 7s primary swell from a East-northeast direction and 0.6m 10s secondary swell from a North direction, 0.4m 9s secondary swell from a Northwest direction (forecast issued at 09:00pm January 09). The wind direction is predicted to be cross-shore.

Time (ChST) & DateWave HeightWave Period
Morning (10 Jan)7ft (2.2m)8s
Afternoon (10 Jan)7ft (2.2m)8s
Evening (10 Jan)7.5ft (2.3m)8s

Table - waves today at Boat Basin Lefts. (Swell directed towards the surf break)

Updates in  hr  min  s Forecast update imminent
Fri
09
Saturday
10
Sunday
11
Monday
12
7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
2
2
2
2
2
1
1
1
Swell
Height Map
Wave Height (m) & direction (?)
1.8
NE
2
NE
2
ENE
2
ENE
2.1
NE
2.2
NE
2.2
NE
2.2
NE
2.2
ENE
2.2
ENE
2.2
ENE
2
ENE
2
ENE
1.8
ENE
1.8
ENE
1.7
E
1.7
E
1.7
E
1.7
E
1.7
E
1.7
E
1.6
E
1.6
E
1.6
E
Period(s) (?)667778888888888888888888
Wave
Graph
(?)Metric surfscale
Energy kJ (?)239321383405492564619602699699694549534470470412401411411411415368364360
Wind
(km/h)
35
NE
35
NE
30
NE
30
NE
30
NE
35
NE
35
NE
35
NE
35
NE
30
ENE
25
ENE
25
ENE
25
ENE
30
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
crosscrosscrosscrosscrosscrosscrosscrosscrosscross-
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)
12:12AM
0.69
12:55PM
0.88
1:43AM
0.65
1:21PM
0.87
3:36AM
0.65
1:50PM
0.85
Low Tide
/ height (m)
7:01PM
0.48
6:03AM
0.42
7:58PM
0.42
6:37AM
0.51
8:53PM
0.36
7:18AM
0.60
Fri
09
Saturday
10
Sunday
11
Monday
12
Sunrise----6:46-------6:46-------6:47---
Sunset-------6:08-------6:09-------6:09
part cloud
cloud
cloud
cloud
cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
Rain (mm)
-------------------111-1
Temp. °C272727272727282727272727272828282727272727272828
Feels °C (?)252524252525262526272827272828292828282828272829
  • 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

Latest Updates

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 Boat Basin Lefts 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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