Boat Basin Lefts Surf Break

Lat Long: 13.48° N 144.75° E

GUAM

Boat Basin Lefts 48 hour detailed Surf Forecast

Issued: 3 am 08 Aug 2026 (local time)

Forecast update in  hr  min

Today's Boat Basin Lefts sea temperature is
29.6° C
0.2° 

Boat Basin Lefts surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


How big are the waves at Boat Basin Lefts today (08 Aug):

  • Morning surf: Morning surf (08 Aug, local time) - 7ft (2.1m), 10s period with W swell.
  • Afternoon surf: Afternoon surf (08 Aug, local time) - 7ft (2.1m), 10s period with W swell.
  • Evening surf: Evening surf (08 Aug, local time) - 6.5ft (2.0m), 10s period with W swell.

The current surf forecast for Boat Basin Lefts at 6AM is: 2.0m 10s primary swell from a West direction and 0.8m 11s secondary swell from a Northwest direction, 0.7m 10s secondary swell from a East-northeast direction (forecast issued at 03:00am August 08). The wind direction is predicted to be cross-shore.

Time (ChST) & DateWave HeightWave Period
Morning (08 Aug)7ft (2.1m)10s
Afternoon (08 Aug)7ft (2.1m)10s
Evening (08 Aug)6.5ft (2.0m)10s

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


Short Range Forecast

Moderate rain (total 17mm), heaviest on Mon night. Warm (max 29°C on Sun morning, min 27°C on Sun night). Mainly fresh winds.

Saturday
8
Sunday
9
Monday
10
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
1
0
2
1
0
1
2
0
0
2
2
1
1
1
1
1
0
0
1
1
0
0
0
2
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
2.1
W
10
2
W
10
2
W
10
2.1
W
10
0.6
NW
13
2.1
W
10
2
W
10
2
W
10
2.1
W
10
2.2
W
10
2.2
W
10
2.3
W
10
2.3
W
10
2.3
W
10
2.3
W
10
2.4
W
10
2.4
W
10
2.4
W
10
2.3
W
10
2.3
W
10
2.3
W
10
2.2
W
9
2.5
W
11
2.4
W
11
Wave Graph
Metric surfscale
Energy kJ
830
769
784
855
109
847
755
761
867
1007
1048
1124
1066
1076
1045
1137
1131
1131
1013
1034
1024
836
1386
1289
Wind (km/h)
20
WSW
25
WSW
20
SW
30
SW
30
WSW
25
WSW
20
WSW
25
WSW
20
WSW
25
WSW
20
SW
25
SW
30
WSW
30
WSW
25
WSW
25
WSW
25
WSW
30
WSW
25
WSW
30
WSW
30
WSW
30
WSW
25
WSW
25
WSW
Wind State
cross-on
cross-on
cross
cross
cross
cross
cross
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross
cross
cross-on
cross-on
cross-on
cross
High Tide
1:21AM0.89m
5:38PM0.78m
2:19AM0.89m
6:40PM0.83m
3:28AM0.89m
7:26PM0.87m
Low Tide
9:30AM0.13m
9:14PM0.73m
10:34AM0.07m
10:45PM0.74m
11:34AM0.03m
thunderstorm
thunderstorm
thunderstorm
cloud
thunderstorm
thunderstorm
part cloud
thunderstorm
part cloud
part cloud
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:07
6:07
6:07
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:45
6:45
6:45
 mm
1
2
2
2
1
1
1
1
1
1
1
Temp °C
28
27
28
28
28
28
28
28
28
28
28
28
29
29
28
28
28
28
27
28
28
28
28
28
Feels °C
31
28
30
29
28
29
30
30
31
30
30
29
29
30
29
30
29
29
28
29
28
28
29
30
  • 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
How to use the Wavefinder 

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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