Magoos Surf Break

Lat Long: 13.47° N 144.69° E

GUAM

Magoos Surf Forecast and Surf Report

Issued: 9 am 21 Aug 2026 (local time)

Forecast update in  hr  min

Today's Magoos sea temperature is
29.4° C
0.2° 

Magoos surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.


Magoos surf forecast from 21 Aug 2026:

  • Best quality surf: Tuesday 25 Aug, 10PM (local time) - 3ft (0.9m), 11s period, NW swell with cross-offshore winds.
  • Most powerful swell: Thursday 27 Aug, 7PM (local time) - 11ft (3.5m), 9s period, W swell with 1,978 kJ wave energy.
  • Next surfable swell (1★+): Tuesday 25 Aug, 10PM (local time) - 3ft (0.9m), 11s period with NW swell.

Best Forecast Surf Conditions for Magoos this week:

The surf forecast for Magoos over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Aug 25) at 10PM. The primary swell is predicted to be 0.9m and 11s period with a secondary swell of 0.5m and 13s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Magoos in the next 16 days are 3.5m 9s and forecast to arrive on Thursday (Aug 27) at 7PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 4.0m 9s period and expected on Thursday (Aug 27) at 1PM.

Wave TypeTime (ChST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Tue 25th Aug)3ft (0.9m) 11s
Best Surf10PM (Tue 25th Aug)3ft (0.9m) 11s
Most Powerful 7PM (Thu 27th Aug)11ft (3.5m) 9s

Table - best surf conditions forecast for Magoos over the next 16 days.


Short Range Forecast

Heavy rain (total 36mm), heaviest during Sat night. Warm (max 29°C on Fri morning, min 28°C on Fri morning). Winds increasing (calm on Fri morning, fresh winds from the SSW by Sun night).

Days 4-6 Weather Summary

Heavy rain (total 79mm), heaviest during Tue night. Warm (max 28°C on Mon morning, min 26°C on Tue afternoon). Winds increasing (light winds from the SSW on Tue night, strong winds from the SW by Wed night).

Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
AM
PM
Night
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
1
0
0
0
0
1
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.7
NE
6
0.9
E
10
1
E
10
1.1
NE
9
0.9
NE
10
1
NNE
10
1.2
N
11
1.3
N
11
1.1
N
11
0.9
NNW
11
1
NNW
11
0.9
NNW
11
0.8
NNW
11
0.8
NNW
11
0.9
NW
11
0.9
NW
11
0.8
NW
11
0.6
NW
11
0.4
NW
13
0.4
NE
15
3
W
9
Wave Graph
Metric surfscale
Energy kJ
42
158
183
220
157
183
326
396
289
187
222
186
149
151
182
179
147
92
42
54
1743
Wind (km/h)
5
N
10
WNW
20
WSW
20
WSW
30
SW
25
SW
30
SW
30
SSW
30
SSW
30
SSW
30
SW
20
WSW
15
WSW
10
SW
15
SSW
20
S
35
SSW
35
SSW
45
SW
40
SW
35
SW
Wind State
glassy
on
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross
cross
cross
High Tide
4:30PM0.60m
1:08AM0.62m
5:34PM0.62m
2:19AM0.62m
6:16PM0.64m
3:34AM0.62m
6:49PM0.66m
4:37AM0.65m
7:17PM0.68m
5:29AM0.69m
7:41PM0.70m
6:16AM0.72m
8:05PM0.72m
Low Tide
8:33PM0.54m
9:23AM0.11m
10:00PM0.54m
10:23AM0.09m
11:05PM0.53m
11:16AM0.06m
11:51PM0.50m
12:02PM0.04m
00:28AM0.47m
12:41PM0.03m
1:03AM0.44m
1:17PM0.03m
1:37AM0.40m
rain showers
thunderstorm
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
thunderstorm
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
6:09
6:09
6:09
6:09
6:09
6:09
6:09
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:39
6:38
6:37
6:37
6:37
6:36
6:36
 mm
1
2
1
1
4
14
3
5
5
4
2
6
5
13
24
5
8
12
3
5
9
Temp °C
29
29
29
29
29
28
29
29
28
28
28
28
28
27
27
28
28
28
28
28
28
Feels °C
34
33
33
31
30
29
30
30
29
28
28
30
31
31
30
30
27
27
25
26
26
  • 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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Information about the Magoos Surf forecast

The above surf forecast table for Magoos provides essential information for determining whether the surfing conditions will be good over the next 16 days. A general guide to surfing at Magoos can be found by selecting the local surf guide option on the grey menu. Our Magoos 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 (Magoos) 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 Magoos 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.

Magoos is 7 km (4 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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