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 03 Jul 2026 (local time)

Forecast update in  hr  min

Today's Boat Basin Lefts sea temperature is
29.6° 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 (03 Jul):

  • Afternoon surf: Afternoon surf (03 Jul, local time) - 3ft (0.9m), 8s period with ENE swell.
  • Evening surf: Evening surf (03 Jul, local time) - 2.5ft (0.7m), 8s period with E swell.

The current surf forecast for Boat Basin Lefts at 7PM is: 0.9m 8s primary swell from a East-northeast direction and 0.4m 3s secondary swell from a North-northeast direction (forecast issued at 03:00pm July 03). An open ocean swell of 0.3m 10s is not directed at the surf break. The wind direction is predicted to be cross-shore.

Time (ChST) & DateWave HeightWave Period
Morning (03 Jul)--
Afternoon (03 Jul)3ft (0.9m)8s
Evening (03 Jul)2.5ft (0.7m)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 87mm), heaviest during Mon morning. Warm (max 30°C on Fri afternoon, min 27°C on Sun night). Winds increasing (light winds from the NNE on Fri night, severe gales from the WSW by Mon morning).

Fri
3
Saturday
4
Sunday
5
Mon
6
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
0
0
0
0
0
1
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
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.7
E
8
0.8
E
8
0.8
ENE
8
1
ENE
8
1
ENE
8
0.8
E
12
1.8
E
14
2.1
E
14
2.3
E
14
2.4
E
13
3
ENE
13
3
ENE
14
3
E
14
3
E
15
3.5
E
15
4
E
15
4.5
ENE
16
4.5
ENE
16
4.5
ENE
16
4.5
ENE
15
5.5
NNE
14
Wave Graph
Metric surfscale
Energy kJ
99
99
108
68
88
92
143
150
193
1280
1632
1977
2031
2693
3322
3072
4535
5004
6527
10754
8880
10465
8581
11305
Wind (km/h)
20
NNE
20
NNE
20
NNE
20
NE
15
NNE
15
NE
15
NNE
15
NNE
20
NNE
20
N
25
N
25
NNE
25
N
25
N
25
N
30
N
35
N
35
N
40
N
45
N
50
NW
60
NW
65
WNW
80
W
Wind State
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
cross-on
High Tide
11:21PM0.87m
9:08AM0.80m
11:46PM0.88m
10:00AM0.76m
00:09AM0.89m
Low Tide
3:51PM0.13m
4:39AM0.65m
4:25PM0.18m
5:28AM0.61m
4:59PM0.25m
6:19AM0.55m
clear
clear
thunderstorm
clear
clear
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:58
5:58
5:58
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:52
6:52
6:52
6:52
 mm
1
1
2
1
1
1
1
2
1
2
1
2
4
5
6
12
21
Temp °C
30
30
29
28
28
28
28
29
29
29
29
28
28
28
28
29
30
29
28
28
27
27
27
27
Feels °C
32
32
31
30
31
31
31
32
31
31
31
29
29
28
29
29
30
28
27
26
23
22
22
19
Swell 1
Height (m)
Direction
Period (s)
0.9
ENE
8
0.9
ENE
8
0.9
ENE
8
0.7
E
8
0.8
E
8
0.8
ENE
8
1
ENE
8
1
ENE
8
1
ENE
9
1.8
E
14
2.1
E
14
2.3
E
14
2.4
E
13
3
ENE
13
3
ENE
14
3
E
14
3
E
15
3.5
E
15
4
E
15
4.5
ENE
16
4.5
ENE
16
4.5
ENE
16
4.5
ENE
15
5.5
NNE
14
Energy kJ
99
99
108
68
88
92
143
150
154
1280
1632
1977
2031
2693
3322
3072
4535
5004
6527
10754
8880
10465
8581
11305
Swell 2
Height (m)
Direction
Period (s)
0.3
SE
8
0.3
SE
10
0.3
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
10
0.4
SE
9
0.5
E
12
0.8
E
12
0.4
NNE
10
0.4
NNE
10
0.4
NNE
10
0.4
SE
9
0.3
NNE
10
0.3
NNE
10
0.3
SE
10
2.1
N
10
Energy kJ
11
16
16
25
24
23
22
75
193
34
34
33
23
19
19
15
918
Swell 3
Height (m)
Direction
Period (s)
0.2
WSW
7
0.3
SE
8
0.3
NNE
12
0.3
NNE
11
0.3
NNE
11
0.3
NNE
11
0.4
NNE
11
0.4
SE
9
0.4
E
16
0.4
SE
9
0.4
SSE
9
0.4
SE
9
0.4
SE
9
0.3
SE
10
0.3
NNE
10
1.4
NNW
9
Energy kJ
5
10
26
24
24
23
38
22
83
22
33
22
23
14
18
333
Wind waves
Height (m)
Direction
Period (s)
0.4
NNE
3
0.5
NNE
4
0.5
NNE
4
0.5
N
5
1.1
N
5
1.2
N
6
1.5
N
6
1.7
N
6
1.8
N
7
1.7
NNW
6
2.5
N
7
3.5
NNW
8
4
WNW
8
5
W
9
Energy kJ
3
7
11
11
56
86
139
219
286
205
732
1497
2142
4065
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
3
1
2
2
2
Distance (km)
2077
1290
2100
2074
1290
1290
1290
1290
1290
1290
1290
1958
1958
1290
1958
1290
1290
1864
1858
1290
1837
1836
1836
1836
Best forecast wave conditions in Guam
Rating
(10 max)
Best forecast wave conditions in Guam
Rating
(10 max)
Header Global
Rating
(10 max)
9
9
9
7
8
5
5
5
7
5
4
5
5
4
5
5
9
9
9
8
6
7
7
5
  • 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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