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 15 Oct 2026 (local time)

Forecast update in  hr  min

Today's Boat Basin Lefts sea temperature is
29.2°C
0.1° 

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 (15 Oct):

  • Morning surf: Morning surf (15 Oct, local time) - 2ft (0.6m), 9s period with ENE swell.
  • Afternoon surf: Afternoon surf (15 Oct, local time) - 2ft (0.6m), 9s period with ENE swell.
  • Evening surf: Evening surf (15 Oct, local time) - 2ft (0.6m), 9s period with ENE swell.

The current surf forecast for Boat Basin Lefts at 6PM is: 0.6m 10s primary swell from a North direction and 0.6m 9s secondary swell from a East-northeast direction (forecast issued at 09:00am October 15). The wind direction is predicted to be cross-shore.

Time (ChST) & DateWave HeightWave Period
Morning (15 Oct)2ft (0.6m)9s
Afternoon (15 Oct)2ft (0.6m)9s
Evening (15 Oct)2ft (0.6m)9s

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


Short Range Forecast

Heavy rain (total 33mm), heaviest during Sat night. Warm (max 29°C on Fri morning, min 26°C on Sat night). Winds increasing (light winds from the NE on Thu morning, near gales from the NNW by Sat night).

Thursday
15
Friday
16
Saturday
17
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
0
0
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
Height Map
Wave
Height (m)
Direction
Period (s)
0.6
ENE
9
0.6
ENE
9
0.5
N
11
0.6
ENE
9
0.6
N
10
0.6
ENE
9
0.6
ENE
9
0.6
ENE
9
0.6
ENE
9
0.6
ENE
9
0.9
ENE
9
0.9
ENE
9
0.9
ENE
9
0.9
ENE
10
1
ENE
10
1
ENE
9
1
ENE
9
1.3
ENE
9
1.4
NE
9
1.5
NE
9
1.5
ENE
10
1.8
ENE
11
Wave Graph
Metric surfscale
Energy kJ
61
61
61
62
69
61
59
59
58
58
116
119
124
132
192
164
161
282
314
351
432
792
Wind (km/h)
5
ENE
5
NE
10
NE
15
NE
10
NE
10
NE
15
NE
15
NE
15
NE
20
NE
15
NE
15
NE
10
NE
10
NE
15
NNE
15
N
20
NNE
20
N
25
N
30
NNW
40
N
40
N
Wind State
glassy
cross
cross
cross
cross
cross
cross
cross
cross
cross-off
cross
cross-off
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
11:34AM0.82m
9:15PM0.81m
12:32PM0.79m
9:43PM0.78m
1:39PM0.77m
Low Tide
4:08AM0.15m
4:28PM0.65m
4:49AM0.17m
5:10PM0.67m
5:35AM0.20m
6:07PM0.69m
clear
part cloud
thunderstorm
part cloud
thunderstorm
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
mod rain
mod rain
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:11
—
—
—
—
—
—
6:11
—
—
—
—
—
—
—
6:11
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
—
—
6:01
—
—
—
—
—
—
—
6:00
—
—
—
—
—
—
—
6:00
—
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 mm
—
—
1
—
1
—
—
—
—
—
—
—
—
—
1
2
2
1
—
—
6
8
Temp °C
26
27
28
28
27
27
27
27
27
28
29
28
28
27
27
27
27
28
29
28
27
26
Feels °C
31
31
32
31
30
30
30
30
30
30
31
30
32
30
30
29
29
30
30
28
25
24
  • 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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