Surf Forecast Surf Report
Mangandas surf break

Mangandas surfForecast / Guam / Guam

information circle12 Day Weather and Surf, issued 3 am Sunday 23 Feb 2025 ChST
Forecast update in hr  min  s Forecast update imminent
Mangandas surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Mangandas sea temperature is
28.2° C
(Which is slightly warmer than usual)


Best Forecast Surf Conditions for Mangandas this week:

The surf forecast for Mangandas over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Sunday (Feb 23) at 10AM. The primary swell is predicted to be 1.3m and 13s period with a secondary swell of 0.3m and 9s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Mangandas in the next 12 days are 2.2m 11s and forecast to arrive on Wednesday (Feb 26) at 10PM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.1m 7s period and expected on Sunday (Feb 23) at 7PM.

Wave TypeTime (ChST) & Date Wave Height & Period
Next good surf (1 star+)10AM (Sun 23rd Feb)4.5ft (1.3m) 13s
Best Surf10PM (Wed 26th Feb)7ft (2.2m) 11s
Most Powerful10PM (Wed 26th Feb)7ft (2.2m) 11s

Table - best surf conditions forecast for Mangandas over the next 12 days.

Updates in  hr  min  s Forecast update imminent
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
01
Sunday
02
Monday
03
Tuesday
04
Wednesday
05
Thursday
06
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.3
N
1.1
N
1
N
0.9
NNE
0.7
NNE
1.3
NE
1.6
NE
2
NNE
2.5
NNE
2.2
NE
2.3
NE
2
N
1.7
N
2.3
NE
2.3
NE
1.6
NNE
2
NE
2.1
NE
2.1
NE
2.4
NE
2.5
NE
1.6
NNE
2.2
ENE
1
NNE
1.3
NE
1.3
NE
0.7
NNE
1
NE
0.4
N
0.5
N
0.6
N
0.5
N
0.5
N
0.7
N
1.5
N
1.5
N
Period(s) (?)131312121177787810109810899988888878151471111121110
Wave
Graph
(?)Metric surfscale
Energy (?)56340829423212817624433272044966183455285367549247761165585892934601272502225712973100366056132505449
Wind
(km/h)
35
ENE
35
NE
35
NE
30
ENE
30
NE
30
NE
35
NE
40
NE
40
NE
35
NE
35
NE
35
NE
35
NE
35
NE
30
ENE
35
ENE
30
ENE
30
ENE
30
ENE
25
ENE
25
E
35
ENE
35
ENE
25
ENE
25
E
25
ENE
20
E
25
ENE
25
ENE
25
E
30
ENE
30
ENE
30
E
25
E
25
ENE
20
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
off
crosscrosscross-
off
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
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
High Tide
/ height (m)
2:25PM
0.56
6:28AM
0.59
3:43PM
0.59
7:01AM
0.62
4:48PM
0.63
7:32AM
0.66
5:47PM
0.68
8:00AM
0.69
6:42PM
0.72
8:27AM
0.71
7:35PM
0.74
8:54AM
0.72
8:31PM
0.74
9:22AM
0.73
9:29PM
0.71
9:50AM
0.73
10:33PM
0.67
10:19AM
0.72
11:47PM
0.62
10:53AM
0.70
1:16AM
0.58
11:31AM
0.67
3:05AM
0.57
Low Tide
/ height (m)
10:33PM
-0.06
11:07AM
0.47
11:27PM
-0.11
11:57AM
0.45
12:15AM
-0.14
12:39PM
0.41
1:00AM
-0.16
1:21PM
0.35
1:42AM
-0.14
2:02PM
0.28
2:22AM
-0.09
2:46PM
0.20
3:03AM
-0.01
3:32PM
0.12
3:45AM
0.10
4:21PM
0.04
4:28AM
0.21
5:13PM
-0.02
5:14AM
0.32
6:12PM
-0.05
6:10AM
0.41
7:17PM
-0.07
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Friday
28
Saturday
01
Sunday
02
Monday
03
Tuesday
04
Wednesday
05
Thursday
06
Sunrise6:41--6:39--6:39--6:39--6:39--6:37--6:37--6:37--6:37--6:35--6:35--6:35--
Sunset-6:28--6:28--6:29--6:29--6:29--6:29--6:29--6:30--6:30--6:30--6:30--6:30-
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Rain (mm)
2-----21-----23215352-113---14227---
Temp. °C272727272727262626262726272726282827272627272727272827282826272727282827
Feels °C (?)252525252526242222232423252524272827272627262626272928282826262627282828

Short Range Forecast: Light rain (total 5mm), mostly falling on Sun morning. Warm (max 27°C on Sun morning, min 26°C on Sun afternoon). Mainly strong winds.

Days 3-6 Weather Summary Moderate rain (total 13mm), heaviest on Fri night. Warm (max 28°C on Fri morning, min 26°C on Wed morning). Mainly fresh winds.

Days 6-9 Weather Summary Moderate rain (total 15mm), heaviest on Sat afternoon. Warm (max 28°C on Mon afternoon, min 26°C on Sat morning). Mainly fresh winds.

Long Range Forecast: Moderate rain (total 17mm), heaviest on Wed night. Warm (max 28°C on Tue morning, min 26°C on Tue night). Mainly fresh winds.

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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Information about the Mangandas Surf forecast

The above surf forecast table for Mangandas provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Mangandas can be found by selecting the local surf guide option on the grey menu. Our Mangandas surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Mangandas) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Mangandas may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Mangandas is 14 km (9 miles) from Agana. If you plan a holiday in Guam, look for hotels and other accommodation in Agana. Agana has rooms for a wide range of budgets as well as car hire and transport links.

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