Boat Basin Lefts surf break

Boat Basin Lefts surfForecast / Guam / Guam

information circle48hr Weather and Surf, issued 9 pm Friday 24 Apr 2026 ChST
Forecast update in hr  min  s Forecast update imminent
Boat Basin Lefts surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Boat Basin Lefts sea temperature is
27.7° C
(Which is slightly cooler than normal)

How big are the waves at Boat Basin Lefts today?

The current surf forecast for Boat Basin Lefts at 6AM is: 0.8m 14s primary swell from a North-northeast direction and 0.5m 9s secondary swell from a Northeast direction, 1.1m 6s secondary swell from a East direction (forecast issued at 09:00pm April 24). The wind direction is predicted to be cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (25 Apr)2.5ft (0.8m)14s
Afternoon (25 Apr)2.5ft (0.7m)14s
Evening (25 Apr)2ft (0.6m)13s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

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

Fri
24
Saturday
25
Sunday
26
Monday
27
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
1 PM
4 PM
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
0
1
0
0
1
1
1
1
1
1
1
1
1
Swell
Height Map
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
0.8
NNE
15
0.8
NNE
14
0.8
NNE
14
0.8
NNE
14
0.8
NNE
14
0.8
NNE
14
0.7
NNE
14
0.6
NNE
14
0.6
NNE
13
0.6
NNE
13
1.2
ENE
7
1.2
ENE
7
1.4
ENE
7
1.4
ENE
7
1.3
ENE
7
1.3
ENE
7
1.4
ENE
7
1.5
ENE
7
1.6
ENE
7
1.6
ENE
7
1.6
ENE
7
1.6
ENE
7
1.5
E
7
1.4
ENE
7
Wave Graph
Metric surfscale
Energy kJ
246
239
236
236
233
229
175
145
139
135
135
139
168
176
153
153
181
212
245
245
254
245
238
214
Wind (km/h)
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
25
ENE
25
NE
25
ENE
25
ENE
25
ENE
25
ENE
20
NE
25
ENE
25
ENE
20
ENE
25
E
20
E
20
E
20
E
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-off
cross-off
cross-off
High Tide
3:37AM0.86m
1:21PM0.74m
4:21AM0.86m
3:06PM0.71m
4:56AM0.87m
Low Tide
7:45PM0.18m
9:20AM0.65m
8:50PM0.25m
10:28AM0.57m
9:52PM0.32m
11:18AM0.49m
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:03
6:01
6:01
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:35
6:35
6:35
Temp °C
27
26
26
26
26
28
28
28
27
26
26
26
26
27
27
27
27
27
27
26
26
28
28
28
29
28
27
27
26
28
27
28
28
27
26
26
25
26
26
26
28
28
28
27
27
29
29
29
Swell 1
Height (m)
Direction
Period (s)
0.8
NNE
15
0.8
NNE
14
0.8
NNE
14
0.8
NNE
14
0.8
NNE
14
0.8
NNE
14
0.7
NNE
14
0.6
NNE
14
0.6
NNE
13
0.6
NNE
13
0.6
NNE
13
0.6
NNE
13
0.6
NNE
13
0.5
NNE
13
0.5
NNE
13
0.5
NNE
12
0.5
NNE
12
0.4
NNE
12
0.5
N
12
0.5
NNE
14
0.5
NNE
13
0.5
NNE
13
0.5
NNE
13
0.5
NNE
13
Energy kJ
246
239
236
236
233
229
175
145
139
135
135
133
133
95
93
85
81
56
75
115
101
99
98
98
Swell 2
Height (m)
Direction
Period (s)
0.6
NNE
10
0.6
NNE
10
0.5
NE
10
0.5
NE
10
0.5
NE
9
0.4
NE
9
0.4
NE
9
0.4
NE
9
0.4
NE
8
0.4
NE
9
0.3
NE
10
0.3
NE
10
0.2
NNW
8
0.3
NE
10
0.3
NE
10
0.1
NE
10
0.2
NNE
15
0.2
NNE
15
0.2
NNE
15
0.1
NE
9
0.1
NE
18
0.2
NNE
8
0.2
NNE
17
0.3
NNE
16
Energy kJ
67
71
46
45
41
29
29
27
25
31
15
15
6
14
14
4
22
21
21
3
13
6
28
52
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
NW
9
0.1
NW
8
0.2
NNW
8
0.2
NNW
8
0.2
NNW
8
0.1
SE
11
0.2
NNW
8
0.1
NW
7
0.1
NW
7
0.1
NW
7
0.1
NW
7
0.1
NW
10
0.1
N
18
0.1
NW
9
0.2
NNE
18
0.1
NW
9
0.1
NW
9
Energy kJ
6
6
6
6
6
6
6
3
3
7
6
6
5
6
2
2
2
2
4
6
3
30
3
3
Wind waves
Height (m)
Direction
Period (s)
1.2
E
6
1.2
E
7
1.1
E
7
1.1
E
6
1.1
E
6
1.1
E
6
1.1
E
6
1.1
E
6
1.1
E
7
1.1
E
7
1.2
ENE
7
1.2
ENE
7
1.4
ENE
7
1.4
ENE
7
1.3
ENE
7
1.3
ENE
7
1.4
ENE
7
1.5
ENE
7
1.6
ENE
7
1.6
ENE
7
1.6
ENE
7
1.6
ENE
7
1.5
E
7
1.4
ENE
7
Energy kJ
120
124
104
101
101
98
97
100
107
110
135
139
168
176
153
153
181
212
245
245
254
245
238
214
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
1
1
3
1
2
2
1
1
1
2
2
2
2
2
2
2
2
2
1
1
1
Distance (km)
1304
1304
1304
1304
1304
1304
1304
1304
1304
1304
1304
1304
1373
1373
1373
1373
1373
1836
1836
1836
1836
20
20
20
Best forecast wave conditions in Guam
Rating
(10 max)
1
1
1
Best forecast wave conditions in Guam
Rating
(10 max)
1
1
1
Header Global
Rating
(10 max)
6
5
9
4
5
5
5
5
5
5
4
4
4
8
5
5
6
6
5
5
5
9
8
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

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