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 29 Oct 2026 (local time)

Forecast update in  hr  min

Today's Boat Basin Lefts sea temperature is
28.9°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 (29 Oct):

  • Afternoon surf: Afternoon surf (29 Oct, local time) - 5ft (1.6m), 13s period with ENE swell.
  • Evening surf: Evening surf (29 Oct, local time) - 5ft (1.6m), 14s period with ENE swell.

The current surf forecast for Boat Basin Lefts at 7PM is: 1.6m 13s primary swell from a East-northeast direction and 0.4m 9s secondary swell from a Northwest direction (forecast issued at 03:00pm October 29). The wind direction is predicted to be cross-onshore.

Time (ChST) & DateWave HeightWave Period
Morning (29 Oct)--
Afternoon (29 Oct)5ft (1.6m)13s
Evening (29 Oct)5ft (1.6m)14s

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


Short Range Forecast

Some drizzle, heaviest during Fri afternoon. Warm (max 28°C on Fri morning, min 26°C on Thu night). Wind will be generally light.

Thu
29
Friday
30
Saturday
31
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
1
2
1
2
3
3
2
2
2
3
2
2
2
2
1
2
1
2
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)
1.6
ENE
13
1.6
ENE
13
1.6
ENE
13
1.6
ENE
14
1.6
ENE
14
1.3
ENE
18
2.3
ENE
19
3
ENE
17
3
ENE
16
2.5
ENE
15
2.4
ENE
14
1.9
NE
13
1.3
NNE
13
1.5
NNE
12
1.4
NNE
11
1.5
N
11
1.9
N
11
1.9
N
12
1.8
N
11
1.8
N
11
Wave Graph
Metric surfscale
Energy kJ
841
841
816
1002
947
1081
3813
4494
4001
3243
2187
1242
504
625
460
555
920
955
807
804
Wind (km/h)
20
NE
25
NE
15
NNE
15
NNE
15
N
15
NNW
10
NNW
15
WNW
15
WNW
20
WSW
15
WSW
15
SSW
15
SW
15
SW
10
SW
15
SW
15
WSW
15
WSW
10
W
10
WSW
Wind State
cross
cross
cross-on
cross
cross-on
on
on
on
cross-on
cross-on
cross-on
cross-off
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
High Tide
10:49AM0.92m
8:38PM0.90m
11:51AM0.90m
9:21PM0.88m
12:56PM0.88m
Low Tide
3:52PM0.68m
4:13AM-0.00m
4:47PM0.70m
5:07AM0.03m
5:54PM0.71m
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
thunderstorm
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
—
—
—
—
—
6:13
—
—
—
—
—
—
—
6:13
—
—
—
—
—
—
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
—
5:54
—
—
—
—
—
—
—
5:53
—
—
—
—
—
—
—
5:53
—
—
 mm
—
—
—
—
—
—
—
—
—
—
1
—
—
—
—
—
—
—
—
—
Temp °C
28
27
27
26
26
26
26
27
28
28
27
27
26
26
26
28
28
28
27
27
Feels °C
29
26
29
27
28
28
28
29
30
30
30
29
29
28
28
29
30
30
30
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 

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