Surf Forecast Surf Report
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Surf Forecasts
Boat Basin Lefts surf break

Boat Basin Lefts surfForecast / Guam / Guam

information circle48hr Weather and Surf, issued 9 am Thursday 17 Apr 2025 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
28.6° C
 (Which is slightly warmer than usual)

How big are the waves at Boat Basin Lefts today?

The current surf forecast for Boat Basin Lefts at 2PM is: 1.8m 8s primary swell from a East direction and 0.5m 12s secondary swell from a North-northeast direction, 0.5m 9s secondary swell from a Northwest direction (forecast issued at 09:00am April 17). The wind direction is predicted to be cross-offshore.

Time (ChST) & DateWave HeightWave Period
Morning (17 Apr)5.5ft (1.7m)8s
Afternoon (17 Apr)6ft (1.8m)8s
Evening (17 Apr)6ft (1.8m)8s

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

Hourly12 Days
Guam Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM7 PM10 PM1 AM4 AM7 AM10 AM1 PM4 PM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
1
1
1
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
0
0
1
1
1
1
1
1
1
1
1
1
1
1
2
2
1
2
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.6
E
1.8
E
1.8
E
1.8
E
1.8
E
1.7
E
1.7
E
1.7
E
1.7
E
1.8
E
1.8
E
1.8
E
1.7
E
1.7
E
1.7
E
1.8
E
1.6
E
1.7
E
1.8
E
1.5
E
1.5
E
1.5
E
1.5
E
1.4
E
1.4
E
1.4
E
1.4
E
1.3
E
1.2
E
1.2
E
1.1
E
1.1
E
1.1
E
1
E
1
E
1
E
0.9
E
0.9
E
0.9
E
1.1
E
0.9
E
1.1
E
1.1
E
1.1
E
1.1
E
0.9
E
1
E
1
E
1
E
1
E
1
E
1
E
1
E
1
E
1
E
1.1
E
1.1
E
0.7
E
1.2
E
1.1
E
Period(s) (?)88888888888888888888999999999999999999999899910101091091099999999
Wave
Graph
(?)Metric surfscale
Energy (?)33140838840742839240540140145444343238638638643934740044831932633434229929829930626422521918418418415715515513013013019412617118918819214818618317518317518816416416820220283235202
Wind
(km/h)
25
E
30
E
30
E
30
E
25
ENE
25
ENE
25
ENE
25
ENE
30
ENE
30
E
30
E
30
ENE
25
ENE
25
ENE
25
ENE
20
E
15
ENE
25
E
25
E
20
E
20
E
15
E
15
E
15
E
15
ESE
15
E
20
E
20
E
20
E
15
E
10
E
10
E
10
E
15
ENE
20
E
20
ENE
20
ENE
15
ENE
15
ENE
15
ENE
15
ENE
25
ENE
20
E
20
E
15
E
15
E
15
E
15
E
15
E
15
E
20
E
15
E
15
E
15
E
15
E
15
ESE
15
ESE
20
ESE
20
ESE
20
ESE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
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		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		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		cross-
off		offcross-
off
High Tide
/ height (m)
8:55AM
0.81
11:58PM
0.80
9:20AM
0.80
12:59AM
0.79
9:50AM
0.79
2:09AM
0.79
10:28AM
0.78
3:14AM
0.80
11:27AM
0.75
4:02AM
0.83
1:00PM
0.73
4:36AM
0.86
2:50PM
0.73
5:06AM
0.88
Low Tide
/ height (m)
4:07AM
0.64
4:24PM
0.16
4:44AM
0.67
5:06PM
0.17
5:29AM
0.70
5:53PM
0.18
6:33AM
0.72
6:48PM
0.20
8:04AM
0.72
7:49PM
0.22
9:30AM
0.68
8:53PM
0.24
10:29AM
0.61
9:55PM
0.28
11:14AM
0.52
Thursday
17
Friday
18
Saturday
19
Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Sunrise6:07-------6:05-------6:05-------6:05-------6:05-------6:03-------6:03-------6:03---
Sunset---6:34-------6:34-------6:34-------6:34-------6:34-------6:34-------6:35-------6:35
thunderstorm thunderstorm thunderstorm clearclearclearclearclearclearthunderstorm clearclearclearclearclearclearclearthunderstorm clearclearclearclearclearclearclearclearclearthunderstorm clearclearclearclearclearpart cloudpart cloudpart cloudclearclearclearpart cloudclearclearpart cloudpart cloudpart cloudclearclearclearpart cloudpart cloudclearclearpart cloudpart cloudclearpart cloudclearclearpart cloudclear
Rain (mm)
221------1-------1---------1--------------------------------
Temp. °C272728282727272727282929272727262728292827272726262829282827272626282929272727262628292827272626262829292727272627282928
Feels °C (?)282627272727272727272829272827272929292828292928283031292928292929303030292929282828292929292828282929302929302828293028
  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>

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View detailed surf forecast for Boat Basin Lefts at:
surf-forecast.com

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