Boat Basin Lefts Surf Break
GUAM

Boat Basin Lefts 48 hour detailed Surf Forecast

Lat Long: 13.48° N 144.75° E

Issued: 9 am 12 Jun 2026 (local time)

Forecast update in  hr  min

Today's Boat Basin Lefts sea temperature is
29.3° C

Normal for this time of year

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 (12 Jun):

  • Morning surf: Morning surf (12 Jun, local time) - 1.5ft (0.4m), 9s period with NNE swell.
  • Afternoon surf: Afternoon surf (12 Jun, local time) - 1.5ft (0.5m), 8s period with E swell.
  • Evening surf: Evening surf (12 Jun, local time) - 1.5ft (0.5m), 8s period with E swell.

The current surf forecast for Boat Basin Lefts at 6PM is: 0.4m 8s primary swell from a North-northeast direction and 0.4m 8s secondary swell from a East direction (forecast issued at 09:00am June 12). The wind direction is predicted to be cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (12 Jun)1.5ft (0.4m)9s
Afternoon (12 Jun)1.5ft (0.5m)8s
Evening (12 Jun)1.5ft (0.5m)8s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Light rain (total 6mm), mostly falling on Fri morning. Warm (max 30°C on Sun morning, min 27°C on Fri night). Wind will be generally light.

Friday
12
Saturday
13
Sunday
14
Mon
15
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)
1
0
0
1
0
1
0
0
0
0
0
0
0
1
0
1
1
0
0
0
0
0
0
1
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)
0.5
E
8
0.4
NNE
9
0.4
NNE
9
0.5
E
8
0.4
NNE
8
0.5
E
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.4
E
9
0.6
E
9
0.6
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
8
0.5
E
8
0.5
E
9
0.6
E
9
Wave Graph
Metric surfscale
Energy kJ
32
30
30
31
28
31
18
18
18
27
41
41
41
41
25
56
56
37
36
38
37
37
39
55
Wind (km/h)
15
ENE
15
ENE
15
E
15
ESE
15
E
10
E
10
E
10
E
15
E
20
E
15
ESE
10
ENE
10
NE
10
ENE
10
E
10
E
10
E
10
E
15
ENE
15
ENE
10
ENE
10
ENE
10
NE
10
ENE
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross-off
High Tide
6:32PM0.81m
4:26AM0.92m
7:35PM0.88m
5:11AM0.94m
8:32PM0.92m
Low Tide
11:17AM0.15m
11:08PM0.65m
12:05PM0.04m
00:15AM0.70m
12:54PM-0.04m
1:16AM0.72m
clear
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
thunderstorm
clear
thunderstorm
clear
part cloud
part cloud
clear
clear
clear
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:52
5:52
5:52
5:52
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:47
6:47
6:47
6:47
 mm
1
1
1
1
1
1
Temp °C
28
29
29
29
28
27
27
27
27
29
29
29
29
28
27
27
27
29
30
30
29
28
28
27
Feels °C
31
32
31
32
31
29
30
30
30
30
31
32
33
32
30
31
30
31
32
32
32
31
32
30
Swell 1
Height (m)
Direction
Period (s)
0.4
NNE
9
0.4
NNE
9
0.4
NNE
9
0.5
E
8
0.4
NNE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.3
E
9
0.4
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.4
NE
8
0.4
E
9
0.6
E
9
0.6
E
9
0.5
E
9
0.5
E
9
0.5
E
9
0.5
E
8
0.5
E
8
0.4
SE
10
0.6
E
9
Energy kJ
32
30
30
31
28
18
18
18
15
27
41
41
41
17
25
56
56
37
36
38
37
37
23
55
Swell 2
Height (m)
Direction
Period (s)
0.3
SE
9
0.3
E
8
0.4
E
5
0.4
NNE
9
0.4
E
8
0.2
ESE
9
0.3
E
8
0.3
E
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.3
SE
9
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.3
NE
8
0.3
NE
8
0.3
NE
8
0.4
SE
10
0.3
NE
8
0.4
SE
10
Energy kJ
12
10
8
29
19
8
12
13
18
17
17
17
17
12
16
16
16
16
10
11
11
24
10
25
Swell 3
Height (m)
Direction
Period (s)
0.1
NW
8
0.2
ESE
9
0.3
E
8
0.2
ESE
9
0.2
ESE
9
0.2
WNW
11
0.2
ESE
9
0.2
WNW
11
0.2
WNW
11
0.2
WNW
10
0.2
ESE
8
0.2
ESE
8
0.2
ESE
9
0.2
WNW
9
0.3
SE
9
0.3
SE
9
0.2
ESE
9
0.3
SE
9
0.3
SE
8
0.2
ESE
8
0.3
SE
10
0.3
NE
8
0.2
S
7
0.3
NE
8
Energy kJ
3
8
11
8
8
12
8
11
11
10
7
7
7
9
12
12
8
12
11
7
17
11
4
10
Wind waves
Height (m)
Direction
Period (s)
0.5
E
8
0.4
E
5
0.5
E
8
0.4
E
5
0.4
E
4
0.4
E
4
0.4
E
4
0.4
ESE
5
0.5
E
9
0.4
ENE
3
0.5
E
9
Energy kJ
30
8
31
7
6
6
6
7
41
5
39
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
0
0
0
0
0
0
1304
0
0
1836
0
0
1290
0
0
0
0
0
0
0
0
0
1866
0
Best forecast wave conditions in Guam
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Best forecast wave conditions in Guam
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Header Global
Rating
(10 max)
6
6
6
6
8
9
6
4
4
4
6
5
5
5
5
4
5
4
4
4
6
5
5
9
  • 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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