Boat Basin Lefts Surf Break

Lat Long: 13.48° N 144.75° E

GUAM

Boat Basin Lefts 48 hour detailed Surf Forecast

Issued: 9 am 10 Jul 2026 (local time)

Forecast update in  hr  min

Today's Boat Basin Lefts sea temperature is
28.9° C
0.4° 

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 (10 Jul):

  • Morning surf: Morning surf (10 Jul, local time) - 8ft (2.5m), 14s period with W swell.
  • Afternoon surf: Afternoon surf (10 Jul, local time) - 8ft (2.5m), 14s period with W swell.
  • Evening surf: Evening surf (10 Jul, local time) - 8ft (2.5m), 14s period with W swell.

The current surf forecast for Boat Basin Lefts at 5PM is: 2.5m 14s primary swell from a West direction and 0.4m 9s secondary swell from a East-northeast direction (forecast issued at 09:00am July 10). The wind direction is predicted to be cross-shore.

Time (ChST) & DateWave HeightWave Period
Morning (10 Jul)8ft (2.5m)14s
Afternoon (10 Jul)8ft (2.5m)14s
Evening (10 Jul)8ft (2.5m)14s

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


Short Range Forecast

Light rain (total 6mm), mostly falling on Sun morning. Warm (max 29°C on Sun afternoon, min 26°C on Fri night). Wind will be generally light.

Friday
10
Saturday
11
Sunday
12
Mon
13
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
1 AM
4 AM
Rating
(10 max)
3
3
3
3
2
2
2
2
2
2
2
2
2
3
4
4
4
2
4
3
3
3
3
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)
2.5
W
14
2.5
W
14
2.5
W
13
2.5
W
14
2.5
W
14
2.5
W
14
2.1
W
14
2.1
W
14
2.1
W
14
2.1
W
14
2
W
14
2
WNW
14
1.8
WNW
14
1.7
WNW
14
1.7
WNW
14
1.6
WNW
13
1.6
WNW
13
1.6
WNW
13
1.6
W
13
1.6
W
13
1.5
W
13
1.5
WNW
13
1.4
WNW
13
1.4
WNW
12
Wave Graph
Metric surfscale
Energy kJ
2455
2416
2380
2565
2406
2372
1756
1731
1706
1731
1645
1548
1325
1139
1106
958
943
811
892
878
764
692
594
549
Wind (km/h)
10
NE
15
NE
15
NE
15
NNE
15
NE
15
NE
20
NE
20
NE
15
NE
20
NE
20
NNE
20
NNE
15
NE
15
NE
15
ENE
10
ENE
10
ENE
20
ESE
10
SSE
10
E
10
ENE
10
E
15
E
20
ESE
Wind State
cross
cross-off
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
cross-off
cross-off
High Tide
5:27PM0.76m
2:54AM0.91m
6:41PM0.82m
3:47AM0.92m
7:39PM0.87m
Low Tide
9:56AM0.18m
9:24PM0.68m
10:52AM0.08m
10:47PM0.72m
11:47AM0.00m
00:00AM0.74m
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
cloud
part cloud
cloud
cloud
thunderstorm
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
6:00
6:00
6:00
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:52
6:52
6:52
 mm
4
1
Temp °C
26
28
28
28
27
27
26
27
26
27
28
28
27
27
27
27
27
28
28
29
27
27
27
27
Feels °C
29
31
31
31
30
30
28
29
29
29
30
31
30
30
31
31
31
30
32
33
31
31
30
29
  • 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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