Boat Basin Lefts Surf Break
GUAM

Boat Basin Lefts 48 hour detailed Surf Forecast

Lat Long: 13.48° N 144.75° E

Issued: 3 am 02 Jul 2026 (local time)

Forecast update in  hr  min

Today's Boat Basin Lefts sea temperature is
29.4° 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 (02 Jul):

  • Morning surf: Morning surf (02 Jul, local time) - 3ft (0.9m), 8s period with ENE swell.
  • Afternoon surf: Afternoon surf (02 Jul, local time) - 3ft (0.9m), 8s period with ENE swell.
  • Evening surf: Evening surf (02 Jul, local time) - 3ft (0.9m), 9s period with ENE swell.

The current surf forecast for Boat Basin Lefts at 7AM is: 1.0m 8s primary swell from a East-northeast direction (forecast issued at 03:00am July 02). An open ocean swell of 0.3m 9s is not directed at the surf break, a second open ocean swell of 0.2m 6s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (02 Jul)3ft (0.9m)8s
Afternoon (02 Jul)3ft (0.9m)8s
Evening (02 Jul)3ft (0.9m)9s

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 9mm), mostly falling on Sat afternoon. Warm (max 29°C on Thu morning, min 28°C on Thu afternoon). Wind will be generally light.

Thursday
2
Friday
3
Saturday
4
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
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
Rating
(10 max)
1
0
1
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
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)
0.9
ENE
8
1
ENE
8
1
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
9
0.9
ENE
9
0.9
ENE
9
0.9
ENE
9
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.7
ENE
8
0.9
ENE
8
0.9
ENE
8
1
ENE
8
1.1
ENE
9
1.6
ENE
13
2.1
ENE
14
2.3
ENE
13
Wave Graph
Metric surfscale
Energy kJ
127
151
151
122
122
101
103
108
108
108
106
101
99
99
99
108
72
108
123
150
181
816
1519
1792
Wind (km/h)
15
E
15
ENE
15
ENE
15
ENE
15
ENE
15
ENE
15
NE
15
NE
15
NE
15
NE
10
NE
15
NE
15
NNE
20
NNE
20
NNE
15
NNE
15
NNE
15
NNE
20
NNE
20
NNE
20
N
20
N
20
N
20
N
Wind State
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross
cross
cross-on
cross
cross
cross
cross-on
cross
cross
cross-on
cross-on
cross-on
cross-on
High Tide
10:21PM0.86m
7:41AM0.84m
10:52PM0.86m
8:23AM0.82m
11:21PM0.87m
9:08AM0.80m
Low Tide
3:09AM0.68m
3:17PM0.10m
3:52AM0.67m
3:51PM0.13m
4:39AM0.65m
4:25PM0.18m
thunderstorm
thunderstorm
clear
clear
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
thunderstorm
thunderstorm
thunderstorm
part cloud
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:52
6:52
 mm
3
3
1
1
1
1
2
1
Temp °C
27
28
28
29
29
29
28
28
28
28
28
29
29
29
29
28
28
28
28
29
29
29
28
28
Feels °C
29
31
31
32
31
32
31
31
32
31
32
32
31
31
32
31
31
31
30
31
31
31
30
30
Swell 1
Height (m)
Direction
Period (s)
0.3
SE
8
0.3
SE
8
0.3
SE
9
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
9
0.9
ENE
9
0.9
ENE
9
0.9
ENE
9
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.7
ENE
8
0.4
SE
10
0.4
SE
9
1
ENE
8
1.1
ENE
9
1.6
ENE
13
2.1
ENE
14
2.3
ENE
13
Energy kJ
11
10
12
122
122
101
103
108
108
108
106
101
99
99
99
108
72
23
22
150
181
816
1519
1792
Swell 2
Height (m)
Direction
Period (s)
0.1
SW
6
0.1
SE
9
0.2
SSE
6
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
9
0.3
SE
8
0.3
SE
8
0.4
SE
8
0.4
SE
8
0.3
SE
8
0.3
SE
10
0.3
SE
10
0.4
SE
10
0.4
SE
10
0.3
NNE
11
0.4
NNE
11
0.4
NNE
10
0.7
E
12
0.7
E
15
0.4
NNE
10
0.4
NNE
10
Energy kJ
2
3
4
12
12
12
12
12
11
11
18
18
11
17
16
25
35
23
38
35
141
210
34
33
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
10
0.2
S
7
0.1
SW
7
0.2
SSE
6
0.2
WSW
6
0.2
WSW
6
0.1
SW
6
0.2
WSW
7
0.2
WSW
7
0.2
WSW
7
0.2
WSW
7
0.2
WSW
7
0.2
WSW
7
0.3
SE
8
0.3
NNE
12
0.3
NNE
11
0.3
NNE
11
0.2
WSW
6
0.2
WSW
6
0.4
SE
9
0.4
SE
9
0.4
NNE
10
0.4
SE
9
0.4
SE
9
Energy kJ
4
3
2
4
4
4
2
5
5
5
5
5
5
10
26
24
24
4
4
22
21
34
22
22
Wind waves
Height (m)
Direction
Period (s)
0.9
ENE
8
1
ENE
8
1
ENE
8
0.4
NNE
4
0.9
ENE
8
0.9
ENE
8
Energy kJ
127
151
151
6
108
123
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
1290
0
1898
2106
0
0
2074
1290
1290
1290
2074
1996
1290
1290
2077
1290
1290
1290
1290
1290
1290
1958
1996
Best forecast wave conditions in Guam
Rating
(10 max)
1
1
1
1
Best forecast wave conditions in Guam
Rating
(10 max)
1
1
1
1
Header Global
Rating
(10 max)
5
4
5
4
9
8
7
6
6
5
8
7
9
8
9
7
4
5
5
5
5
7
6
6
  • 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
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