Boat Basin Lefts Surf Break

Lat Long: 13.48° N 144.75° E

GUAM

Boat Basin Lefts 48 hour detailed Surf Forecast

Issued: 3 am 08 Jul 2026 (local time)

Forecast update in  hr  min

Today's Boat Basin Lefts sea temperature is
29.6° C
0.4° 

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 (08 Jul):

  • Morning surf: Morning surf (08 Jul, local time) - 6ft (1.9m), 12s period with W swell.
  • Afternoon surf: Afternoon surf (08 Jul, local time) - 6.5ft (2.0m), 12s period with W swell.
  • Evening surf: Evening surf (08 Jul, local time) - 6ft (1.9m), 12s period with W swell.

The current surf forecast for Boat Basin Lefts at 7AM is: 2.0m 12s primary swell from a West direction and 1.4m 12s secondary swell from a West-northwest direction (forecast issued at 03:00am July 08). An open ocean swell of 2.5m 10s is not directed at the surf break. The wind direction is predicted to be cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (08 Jul)6ft (1.9m)12s
Afternoon (08 Jul)6.5ft (2.0m)12s
Evening (08 Jul)6ft (1.9m)12s

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


Short Range Forecast

Heavy rain (total 28mm), heaviest during Wed night. Warm (max 28°C on Fri morning, min 24°C on Wed night). Wind will be generally light.

Wednesday
8
Thursday
9
Friday
10
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)
2
2
2
1
4
3
2
4
4
4
4
4
3
3
2
3
3
3
3
2
2
2
2
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)
2.1
W
12
2
W
12
2
W
12
1.9
W
12
2
W
12
2
W
12
1.9
W
12
1.9
W
12
1.9
W
12
1.8
WNW
13
1.9
WNW
13
1.9
WNW
13
1.8
WNW
13
1.8
WNW
13
1.9
WNW
14
1.9
WNW
14
2.1
W
14
2.1
W
14
2.1
W
14
2.2
W
14
2.2
W
14
2.2
W
14
2.2
W
14
2.1
W
14
Wave Graph
Metric surfscale
Energy kJ
1206
1136
1117
993
1155
1174
1080
1080
1080
1075
1249
1249
1162
1162
1347
1470
1706
1682
1682
1894
1922
1922
1949
1731
Wind (km/h)
25
S
30
S
30
SSE
25
S
20
SE
25
SSE
25
S
10
S
5
SSE
5
ESE
5
ENE
5
NNE
5
NNE
10
N
10
NNE
15
NE
15
NE
15
NE
15
NE
15
NE
15
NNE
20
NNE
20
NNE
15
NNE
Wind State
cross-off
cross-off
cross-off
cross-off
off
cross-off
cross-off
cross-off
glassy
cross-off
glassy
glassy
cross-on
cross-on
cross-on
cross
cross
cross
cross
cross
cross
cross
cross
cross-on
High Tide
1:00AM0.90m
2:01PM0.67m
1:31AM0.90m
3:50PM0.70m
2:09AM0.90m
5:27PM0.76m
Low Tide
8:06AM0.38m
7:03PM0.52m
9:00AM0.28m
8:06PM0.61m
9:56AM0.18m
9:24PM0.68m
thunderstorm
thunderstorm
thunderstorm
cloud
light rain
thunderstorm
mod rain
mod rain
thunderstorm
light rain
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
part cloud
clear
<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
 mm
1
2
2
1
4
8
10
4
1
Temp °C
28
27
27
27
26
27
26
25
24
25
25
26
27
27
27
27
27
27
27
28
28
28
27
27
Feels °C
30
28
27
27
27
27
27
28
28
29
29
30
31
30
30
30
30
30
30
30
30
30
29
29
  • 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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