Boat Basin Lefts Surf Break
GUAM

Boat Basin Lefts 48 hour detailed Surf Forecast

Lat Long: 13.48° N 144.75° E

Issued: 3 pm 17 Jun 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 (17 Jun):

  • Afternoon surf: Afternoon surf (17 Jun, local time) - 2.5ft (0.8m), 8s period with ENE swell.
  • Evening surf: Evening surf (17 Jun, local time) - 3ft (0.9m), 8s period with ENE swell.

The current surf forecast for Boat Basin Lefts at 11PM is: 0.9m 8s primary swell from a East-northeast direction and 0.3m 8s secondary swell from a North-northeast direction (forecast issued at 03:00pm June 17). An open ocean swell of 0.5m 9s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (17 Jun)--
Afternoon (17 Jun)2.5ft (0.8m)8s
Evening (17 Jun)3ft (0.9m)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

Heavy rain (total 63mm), heaviest during Fri night. Warm (max 30°C on Wed afternoon, min 26°C on Fri night). Wind will be generally light.

Wed
17
Thursday
18
Friday
19
Sat
20
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
7 AM
10 AM
Rating
(10 max)
0
0
1
0
0
1
1
1
1
0
2
2
2
1
1
0
0
0
0
1
1
0
1
0
Swell
Height Map
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)
0.8
ENE
8
0.8
ENE
8
0.8
ENE
8
0.9
ENE
8
1
ENE
8
0.8
ENE
8
1
ENE
8
1
ENE
8
1.1
ENE
8
1
ENE
8
1.3
ENE
8
1.4
ENE
8
1.3
ENE
8
1.1
ENE
8
1
E
8
0.9
ENE
8
0.8
E
8
0.7
E
8
0.7
E
8
0.7
E
8
0.7
E
8
0.7
E
8
0.7
E
8
0.7
E
8
Wave Graph
Metric surfscale
Energy kJ
82
78
75
94
125
87
125
125
149
144
207
257
215
155
124
96
84
63
63
63
63
63
63
63
Wind (km/h)
15
NE
20
NE
15
NE
20
ENE
15
E
15
E
10
E
10
ENE
15
ENE
15
ENE
15
ENE
10
E
10
ENE
10
ENE
10
ENE
20
S
20
S
25
S
20
SSE
20
SSE
20
SSE
15
S
15
S
20
S
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-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
cross-off
cross-off
cross-off
High Tide
11:02PM0.95m
8:41AM0.91m
11:45PM0.94m
9:41AM0.85m
00:25AM0.93m
Low Tide
3:25PM-0.07m
4:05AM0.70m
4:14PM-0.01m
5:06AM0.66m
5:02PM0.09m
6:10AM0.61m
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
clear
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
mod rain
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:54
5:54
5:54
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:49
6:49
6:49
6:50
 mm
1
3
1
1
2
1
2
4
1
5
6
4
3
4
2
5
7
8
2
1
Temp °C
30
30
28
28
28
28
28
29
29
29
28
28
27
27
27
27
27
27
27
27
27
26
27
28
Feels °C
33
32
31
31
31
32
32
32
31
31
31
31
30
30
31
28
29
28
28
29
28
28
30
30
Swell 1
Height (m)
Direction
Period (s)
0.8
ENE
8
0.8
ENE
8
0.8
ENE
8
0.5
SE
9
0.5
SE
9
0.8
ENE
8
1
ENE
8
1
ENE
8
1.1
ENE
8
1
ENE
8
0.5
SE
11
0.5
SE
10
1.3
ENE
8
1.1
ENE
8
1
E
8
0.9
ENE
8
0.8
E
8
0.7
E
8
0.7
E
8
0.7
E
8
0.7
E
8
0.7
E
8
0.7
E
8
0.7
E
8
Energy kJ
82
78
75
40
40
87
125
125
149
144
55
52
215
155
124
96
84
63
63
63
63
63
63
63
Swell 2
Height (m)
Direction
Period (s)
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.3
NNE
8
0.3
NNE
8
0.6
SSE
9
0.6
SSE
9
0.5
SE
9
0.5
SE
9
0.5
SE
9
0.2
NNE
8
0.2
NNE
8
0.5
SE
10
0.5
SE
10
0.5
N
7
0.4
NNE
7
0.3
NNE
6
0.4
SE
10
0.5
SE
10
0.5
SE
10
0.5
SE
10
0.4
SE
9
0.4
SE
9
0.5
SE
10
Energy kJ
41
41
41
13
13
53
54
40
40
40
6
6
49
48
27
15
8
34
46
45
44
31
31
44
Swell 3
Height (m)
Direction
Period (s)
0.3
N
8
0.3
N
8
0.3
NNE
8
0.2
S
8
0.2
S
8
0.4
NNE
5
0.2
N
8
0.3
NNE
8
0.3
NNE
8
0.4
NNE
7
0.1
NW
9
0.1
N
10
0.2
NNE
8
0.5
N
7
0.5
SE
10
0.1
N
10
0.4
SE
10
0.3
NNE
7
0.3
NNE
7
0.3
NNE
7
0.2
NNE
7
0.2
NNE
7
0.2
NNE
7
0.2
NNE
7
Energy kJ
13
12
13
4
4
9
5
11
11
18
3
2
6
27
48
2
25
10
9
9
5
5
5
5
Wind waves
Height (m)
Direction
Period (s)
0.9
ENE
8
1
ENE
8
1.3
ENE
8
1.4
ENE
8
0.3
SSE
3
0.4
SSE
4
0.6
SSE
5
1.5
SSE
5
1.7
SSE
6
1.1
S
6
0.8
S
5
0.6
S
4
0.7
SSE
4
0.7
SSE
4
0.6
S
4
0.6
S
4
Energy kJ
94
125
207
257
2
5
15
133
205
72
30
14
13
13
11
14
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
2
2
2
1
1
1
1
1
1
1
1
1
1
1
Distance (km)
2270
2264
0
2270
2264
0
0
0
0
1290
0
0
0
0
0
1290
1290
1290
1290
0
0
1290
0
1290
Best forecast wave conditions in Guam
Rating
(10 max)
1
1
1
1
1
2
2
2
1
1
1
1
1
Best forecast wave conditions in Guam
Rating
(10 max)
1
1
1
1
1
2
2
2
1
1
1
1
1
Header Global
Rating
(10 max)
5
8
8
4
4
4
5
5
9
9
9
7
5
5
6
5
6
6
6
5
5
8
7
7
  • 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

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