Boat Basin Lefts Surf Break

Lat Long: 13.48° N 144.75° E

GUAM

Boat Basin Lefts 48 hour detailed Surf Forecast

Issued: 3 pm 24 Sep 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 (24 Sep):

  • Afternoon surf: Afternoon surf (24 Sep, local time) - 1.5ft (0.5m), 10s period with NNW swell.
  • Evening surf: Evening surf (24 Sep, local time) - 1.5ft (0.5m), 10s period with NNW swell.

The current surf forecast for Boat Basin Lefts at 7PM is: 0.5m 10s primary swell from a North-northwest direction (forecast issued at 03:00pm September 24). An open ocean swell of 0.7m 6s is not directed at the surf break. The wind direction is predicted to be cross-onshore.

Time (ChST) & DateWave HeightWave Period
Morning (24 Sep)--
Afternoon (24 Sep)1.5ft (0.5m)10s
Evening (24 Sep)1.5ft (0.5m)10s

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


Short Range Forecast

Heavy rain (total 21mm), heaviest during Thu afternoon. Warm (max 29°C on Thu afternoon, min 27°C on Sat night). Wind will be generally light.

Thu
24
Friday
25
Saturday
26
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)
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
NNW
10
0.5
NNW
10
0.5
NNW
10
0.5
NNW
9
0.5
NNW
9
0.5
NNW
9
0.4
NNW
9
0.4
NNW
9
0.4
NNW
9
0.4
ENE
8
0.6
ENE
8
0.6
ENE
8
0.5
NE
8
0.6
ENE
9
0.6
ENE
9
0.6
ENE
9
0.6
ENE
9
0.4
ENE
9
0.4
ENE
9
0.4
ENE
10
Wave Graph
Metric surfscale
Energy kJ
86
55
54
50
48
47
32
31
30
27
46
47
33
53
55
55
55
35
26
36
Wind (km/h)
10
WNW
10
WNW
10
WNW
5
WNW
10
WNW
10
NW
15
NW
10
NW
10
NW
10
WNW
10
WNW
10
W
10
WNW
10
NW
5
NNW
5
NNW
5
NW
10
NW
10
NNW
5
N
Wind State
on
on
cross-on
glassy
cross-on
on
on
on
on
cross-on
cross-on
cross-on
on
on
on
glassy
on
on
cross-on
cross-on
High Tide
6:54PM0.84m
6:02AM0.81m
7:13PM0.86m
6:58AM0.84m
7:33PM0.88m
Low Tide
11:57AM0.26m
00:36AM0.52m
12:37PM0.29m
1:11AM0.44m
1:17PM0.33m
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:15
6:15
6:14
 mm
1
3
1
2
2
1
1
2
2
1
1
1
2
1
1
Temp °C
29
29
29
28
28
28
28
28
29
29
28
28
28
28
28
28
28
29
28
28
Feels °C
33
33
33
33
32
31
31
31
32
32
32
31
32
32
33
33
32
33
31
31
  • 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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