Boat Basin Lefts Surf Break

Lat Long: 13.48° N 144.75° E

GUAM

Boat Basin Lefts 48 hour detailed Surf Forecast

Issued: 9 pm 01 Aug 2026 (local time)

Forecast update in  hr  min

Today's Boat Basin Lefts sea temperature is
29.9° C
0.5° 

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 (02 Aug):

  • Morning surf: Morning surf (02 Aug, local time) - 5ft (1.5m), 15s period with ENE swell.
  • Afternoon surf: Afternoon surf (02 Aug, local time) - 5ft (1.5m), 15s period with ENE swell.
  • Evening surf: Evening surf (02 Aug, local time) - 5ft (1.6m), 15s period with ENE swell.

The current surf forecast for Boat Basin Lefts at 6AM is: 1.5m 15s primary swell from a East-northeast direction and 0.4m 20s secondary swell from a Northeast direction (forecast issued at 09:00pm August 01). An open ocean swell of 1.4m 7s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (ChST) & DateWave HeightWave Period
Morning (02 Aug)5ft (1.5m)15s
Afternoon (02 Aug)5ft (1.5m)15s
Evening (02 Aug)5ft (1.6m)15s

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


Short Range Forecast

Heavy rain (total 49mm), heaviest during Tue afternoon. Warm (max 29°C on Sat night, min 27°C on Tue afternoon). Mainly strong winds.

Sat
1
Sunday
2
Monday
3
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)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
1.1
E
14
1.3
ENE
15
1.5
ENE
16
1.5
ENE
16
1.5
ENE
15
1.5
ENE
14
1.5
ENE
16
1.5
ENE
15
1.6
ENE
15
1.6
ENE
14
1.5
ENE
14
1.5
ENE
15
1.4
NE
15
1.5
NE
14
1.4
NE
15
1.3
NE
14
1.2
NE
14
1.1
NE
14
Wave Graph
Metric surfscale
Energy kJ
480
817
1038
999
949
911
1136
1024
1038
1010
947
974
881
928
844
668
590
529
Wind (km/h)
25
WNW
25
WNW
25
W
25
WNW
25
W
30
W
30
W
30
W
30
W
30
W
30
W
30
W
30
W
35
W
35
W
35
W
35
W
35
WSW
Wind State
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
10:24PM0.89m
9:17AM0.81m
10:44PM0.89m
10:13AM0.78m
Low Tide
4:08AM0.54m
3:58PM0.26m
4:51AM0.48m
4:31PM0.34m
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:05
6:05
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:47
6:47
 mm
2
1
1
1
2
3
3
2
2
1
1
1
2
2
3
1
2
Temp °C
28
29
28
28
28
29
29
29
28
28
28
28
28
29
29
28
28
28
Feels °C
29
31
29
29
29
30
29
29
28
28
28
28
28
29
28
27
27
27
  • 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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