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Surf Forecasts:

Boat Basin Lefts surf break

Boat Basin Lefts surfForecast / Guam / Guam

information circle48hr Weather and Surf, issued 3 am Monday 16 Mar 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
27.8° C
 (Which is normal for this time of year)

How big are the waves at Boat Basin Lefts today?

The current surf forecast for Boat Basin Lefts at 8AM is: 2.5m 13s primary swell from a North-northwest direction and 1.2m 16s secondary swell from a Northeast direction (forecast issued at 03:00am March 16). The wind direction is predicted to be cross-onshore.

Time (ChST) & DateWave HeightWave Period
Morning (16 Mar)8ft (2.5m)13s
Afternoon (16 Mar)7.5ft (2.3m)13s
Evening (16 Mar)7.5ft (2.3m)12s

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

Updates in  hr  min  s Forecast update imminent 
16 DaysHourly
Print Table
Monday
16
Tuesday
17
Wednesday
18
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)
2
2
3
3
1
0
2
2
1
3
2
2
2
2
2
1
1
1
2
1
1
0
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
3
NNW
3
NNW
3
NNW
2.5
NNW
2.4
NNW
2.3
NNW
2.3
NNW
2.3
N
2.1
N
2.1
N
2
N
2
N
1.9
N
1.9
NNE
1.9
NNE
1.9
NNE
1.8
NNE
1.9
NNE
1.9
NNE
1.8
NNE
1.9
NNE
1.7
NNE
1.8
NNE
1.7
NNE
Period(s) (?)141313131313121213131313131313131313131212777
Wave
Graph
(?)Metric surfscale
Energy kJ (?)306629792558223018341703151815651417147514191440128312881192121111031193115710031013254333286
Wind
(km/h)
20
NNW
15
NNW
15
NNW
15
NNE
20
N
25
NNE
25
NNE
20
NNE
20
NNE
20
NNE
25
NNE
20
NNE
20
NE
20
NE
20
NE
30
NNE
25
NE
25
NNE
25
NE
25
NE
25
NE
25
NE
25
ENE
25
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
oncross-
on		oncross-
on		cross-
on		cross-
on		crosscrosscross-
on		crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
off		cross
High Tide
/ height (m)
7:01AM
0.83
5:10PM
0.80
7:22AM
0.86
6:12PM
0.83
7:42AM
0.88
7:10PM
0.86
Low Tide
/ height (m)
11:34PM
0.21
12:16PM
0.62
12:18AM
0.21
12:54PM
0.55
12:59AM
0.23
1:31PM
0.47
Monday
16
Tuesday
17
Wednesday
18
Sunrise--6:28-------6:26-------6:26-----
Sunset-----6:30-------6:30-------6:30--
cloud
cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
cloud
clear
clear
clear
clear
part cloud
rain showers
rain showers
clear
part cloud
clear
part cloud
clear
clear
Rain (mm)
----------------11------
Temp. °C252526262625252525252526262625242524252626262625
Feels °C (?)242425262524232323222323252524222322232424252424
  • 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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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.

View detailed surf forecast for Boat Basin Lefts at:
surf-forecast.com

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