Ylig Surf Break

Lat Long: 13.39° N 144.78° E

GUAM

Ylig Surf Forecast and Surf Report

Issued: 9 pm 21 Sep 2026 (local time)

Forecast update in  hr  min

Today's Ylig sea temperature is
29.8°C
0.5° 

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


Ylig surf forecast from 21 Sep 2026:

  • Best quality surf: Wednesday 23 Sep, 10PM (local time) - 5ft (1.6m), 8s period, SW swell with cross-offshore winds.
  • Most powerful swell: Wednesday 23 Sep, 1PM (local time) - 6ft (1.9m), 7s period, SW swell with 352 kJ wave energy.
  • Next surfable swell (1★+): Wednesday 23 Sep, 10PM (local time) - 5ft (1.6m), 8s period with SW swell.

Best Forecast Surf Conditions for Ylig this week:

The surf forecast for Ylig over the next 16 days: The first swell (rated 1 star or higher) is forecast to arrive on Wednesday (Sep 23) at 10PM. The primary swell is predicted to be 1.6m and 8s period. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Ylig in the next 16 days are 1.9m 7s and forecast to arrive on Wednesday (Sep 23) at 1PM. Winds are predicted to be cross-shore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 1.4m 7s period and expected on Thursday (Sep 24) at 4PM.

Wave TypeTime (ChST) & Date Wave Height & Period
Next good surf (1 star+)10PM (Wed 23rd Sep)5ft (1.6m) 8s
Best Surf10PM (Wed 23rd Sep)5ft (1.6m) 8s
Most Powerful 1PM (Wed 23rd Sep)6ft (1.9m) 7s

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


Short Range Forecast

Heavy rain (total 40mm), heaviest during Thu morning. Warm (max 28°C on Mon night, min 26°C on Mon night). Wind will be generally light.

Days 5-7 Weather Summary

Heavy rain (total 44mm), heaviest during Sat night. Warm (max 29°C on Sat night, min 26°C on Fri night). Wind will be generally light.

Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
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
1
0
0
1
0
0
1
0
1
1
0
0
0
Swell
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Height Map
Wave
Height (m)
Direction
Period (s)
0.8
NE
11
1.2
SSW
6
1.5
SSW
7
1.6
SSW
7
1.7
SSW
7
1.8
SW
7
1.5
SW
8
1.2
SW
7
0.5
NE
9
0.5
SE
8
0.5
ENE
8
0.5
ENE
8
0.5
SE
9
0.5
ENE
9
0.5
ENE
9
0.5
ENE
10
0.4
ENE
10
0.4
ENE
9
0.4
ENE
9
Wave Graph
Metric surfscale
Energy kJ
140
112
187
237
269
340
244
139
40
31
40
39
41
48
49
54
36
32
27
Wind (km/h)
20
SSE
25
S
20
SSE
25
S
25
S
25
SSW
15
SW
20
WSW
20
SW
15
WSW
20
WSW
15
W
10
WSW
15
W
20
W
20
NW
15
NW
15
NW
20
NW
Wind State
cross-on
cross-on
cross-on
cross
cross
cross
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
cross-off
off
off
off
off
off
High Tide
1:56AM0.41m
5:38PM0.43m
3:13AM0.42m
6:01PM0.44m
4:19AM0.43m
6:21PM0.45m
5:19AM0.43m
6:38PM0.46m
6:16AM0.44m
6:54PM0.47m
7:13AM0.44m
7:11PM0.48m
Low Tide
10:05AM-0.01m
10:31PM0.32m
10:49AM0.00m
11:17PM0.29m
11:28AM0.02m
11:59PM0.24m
12:03PM0.05m
00:37AM0.19m
12:36PM0.10m
1:15AM0.13m
1:11PM0.15m
1:53AM0.07m
thunderstorm
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
cloud
light rain
mod rain
cloud
part cloud
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
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:16
6:15
6:15
6:15
6:14
6:14
 mm
2
1
5
3
1
7
13
8
12
1
9
13
6
3
13
Temp °C
28
27
27
28
28
28
28
28
28
27
28
28
28
28
28
29
28
29
28
Feels °C
30
28
29
29
29
29
31
30
30
30
30
30
32
30
30
31
31
31
30
  • 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 Ylig Surf forecast

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

Ylig is 10 km (6 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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