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Surf Forecasts:

Mangandas surf break

Mangandas surfForecast / Guam / Guam

information circle12 Day Weather and Surf, issued 9 am Tuesday 27 Jan 2026 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
28.5° C
 (Which is 1.0°C warmer than normal for this time of year)

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 Tuesday (Jan 27) at 4PM. The primary swell is predicted to be 1.4m and 13s period with a secondary swell of 1.2m and 8s. The wind is predicted to be offshore as the swell arrives.

The most powerful waves expected at Mangandas in the next 12 days are 1.5m 13s and forecast to arrive on Tuesday (Jan 27) at 7PM. Winds are predicted to be offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.5m 7s period and expected on Tuesday (Feb 03) at 1AM.

Wave TypeTime (ChST) & Date Wave Height & Period
Next good surf (1 star+) 4PM (Tue 27th Jan)4.5ft (1.4m) 13s
Best Surf 4PM (Tue 27th Jan)4.5ft (1.4m) 13s
Most Powerful 7PM (Tue 27th Jan)5ft (1.5m) 13s

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

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Heavy rain (total 30mm), heaviest during Tue morning. Warm (max 28°C on Wed afternoon, min 26°C on Tue night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 5mm), mostly falling on Sat morning. Warm (max 28°C on Fri morning, min 26°C on Fri night). Mainly fresh winds.

Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Saturday
31
Sunday
01
Monday
02
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
Rating
(10 max)
2
3
3
2
2
2
2
2
0
1
0
1
0
0
2
0
0
1
1
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
0.8
N
1.4
N
1.5
N
1.2
N
1.1
N
0.8
N
1.2
N
1.1
N
0.9
N
1.2
N
1.3
N
1.2
N
0.9
NNE
1.4
N
1.5
N
1.5
N
1.6
N
1.7
N
1.6
NE
1
N
0.6
NNE
Period(s) (?)1413111010121110109881389881081013
Wave
Graph
(?)Metric surfscale
Energy kJ (?)260673586308235172323257153225234169249279343319364529338179131
Wind
(km/h)
15
ESE
15
SE
10
SE
10
SSE
15
ESE
15
ESE
15
ESE
0
NE
15
NNE
20
ENE
20
NE
20
ENE
25
ENE
25
ENE
20
ENE
25
ENE
25
ENE
30
ENE
25
E
30
E
25
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffoffoffoffglasscross-
on		cross-
off		crosscross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off		cross-
off
High Tide
/ height (m)
1:18PM
0.66
4:42AM
0.52
2:11PM
0.66
5:59AM
0.58
3:16PM
0.66
6:55AM
0.63
4:23PM
0.68
7:40AM
0.66
5:26PM
0.69
8:19AM
0.68
6:24PM
0.71
8:55AM
0.68
7:18PM
0.71
Low Tide
/ height (m)
9:04PM
-0.07
8:42AM
0.44
10:09PM
-0.16
10:11AM
0.47
11:11PM
-0.22
11:29AM
0.47
12:07AM
-0.27
12:31PM
0.45
12:59AM
-0.29
1:23PM
0.41
1:47AM
-0.27
2:11PM
0.36
2:31AM
-0.23
Tuesday
27
Wednesday
28
Thursday
29
Friday
30
Saturday
31
Sunday
01
Monday
02
Sunrise6:48--6:48--6:48--6:48--6:48--6:48--6:48--
Sunset-6:19--6:19--6:20--6:20--6:21--6:21--6:21-
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
thunderstorm
clear
thunderstorm
clear
part cloud
clear
part cloud
thunderstorm
thunderstorm
Rain (mm)
86133--------1-4----14
Temp. °C272727272827282827282827282827282827282727
Feels °C (?)292930303130323330292929292928282927282727
  • Map Icons:
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  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
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The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Mangandas surf forecast. Simply grab the html code snippet that we provide and paste it into your own site. You can choose your preferred language and metric/imperial units for the surf forecast feed to suit users of your site. Click here to get the code.

View detailed surf forecast for Mangandas at:
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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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