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Surf Forecasts:

Boat Basin Lefts surf break

Boat Basin Lefts surfForecast / Guam / Guam

information circle48hr Weather and Surf, issued 9 am Tuesday 13 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
28.2° 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 2PM is: 1.6m 8s primary swell from a East direction and 0.8m 8s secondary swell from a North direction, 0.7m 11s secondary swell from a East-northeast direction (forecast issued at 09:00am January 13). The wind direction is predicted to be cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (13 Jan)5.5ft (1.7m)9s
Afternoon (13 Jan)5ft (1.5m)8s
Evening (13 Jan)5ft (1.6m)9s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table
Tuesday
13
Wednesday
14
Thursday
15
Fri
16
7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM
Rating
(10 max)
2
1
1
2
2
2
3
3
2
2
1
1
2
2
2
2
2
1
0
0
1
1
1
1
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.7
E
1.6
E
1.6
E
1.7
E
1.6
E
1.6
E
1.5
N
1.6
NNW
1.6
NNW
1.5
NNW
1.7
E
1.7
E
1.6
E
1.6
E
1.6
E
1.5
E
1.6
E
1.5
E
1.5
E
1.5
E
1.6
E
1.6
E
1.6
E
1.6
E
Period(s) (?)9988991312121199999999999999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)432381338401390390787794658512497492427417417359413351356348395395386373
Wind
(km/h)
25
ENE
30
E
30
E
20
E
20
E
20
ENE
20
ENE
25
E
25
E
30
E
30
E
30
E
25
E
20
E
20
E
20
E
20
E
25
E
25
E
25
E
25
E
25
E
25
E
20
E
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)
5:27AM
0.68
2:23PM
0.83
6:40AM
0.73
3:04PM
0.82
7:26AM
0.77
3:51PM
0.82
Low Tide
/ height (m)
8:19AM
0.66
10:32PM
0.24
9:46AM
0.70
11:17PM
0.19
11:08AM
0.71
12:00AM
0.14
Tuesday
13
Wednesday
14
Thursday
15
Fri
16
Sunrise6:47-------6:47-------6:47-------
Sunset---6:10-------6:10-------6:12----
part cloud
part cloud
thunderstorm
light rain
cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
thunderstorm
Rain (mm)
--22-----11111223321-1-1
Temp. °C272827272727272727282828272727272727272727272727
Feels °C (?)282827282829292827282829282929292828272728272828
  • 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 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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