Surf Forecasts:
Ylig surf forecast from 17 Aug 2026:
- Best quality surf: Saturday 22 Aug, 4PM (local time) - 3.5ft (1.0m), 9s period, SSE swell with cross-offshore winds.
- Most powerful swell: Monday 24 Aug, 1AM (local time) - 6ft (1.9m), 13s period, ENE swell with 1,198 kJ wave energy.
- Next surfable swell (1★+): Tuesday 18 Aug, 10AM (local time) - 1.5ft (0.5m), 9s period with SE 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 Tuesday (Aug 18) at 10AM. The primary swell is predicted to be 0.5m and 9s period. The wind is predicted to be glassy as the swell arrives.
The most powerful waves expected at Ylig in the next 16 days are 1.9m 13s and forecast to arrive on Monday (Aug 24) at 1AM. Winds are predicted to be cross-offshore at the time the swell arrives. The largest open ocean swell (not directed at the beach) is 2.3m 7s period and expected on Monday (Aug 24) at 10PM.
| Wave Type | Time (ChST) & Date | Wave Height & Period |
|---|---|---|
| Next good surf (1 star+) | 10AM (Tue 18th Aug) | 1.5ft (0.5m) 9s |
| Best Surf | 4PM (Sat 22nd Aug) | 3.5ft (1.0m) 9s |
| Most Powerful | 1AM (Mon 24th Aug) | 6ft (1.9m) 13s |
Table - best surf conditions forecast for Ylig over the next 16 days.
Short Range ForecastModerate rain (total 18mm), heaviest on Wed morning. Warm (max 29°C on Tue morning, min 27°C on Mon night). Wind will be generally light. | Days 5-7 Weather SummaryLight rain (total 5mm), mostly falling on Sun morning. Warm (max 29°C on Thu afternoon, min 28°C on Thu night). Winds increasing (calm on Fri afternoon, fresh winds from the WSW by Sun morning). | |||||||||||||||||||
Mon 17 | Tuesday 18 | Wednesday 19 | Thursday 20 | Friday 21 | Saturday 22 | Sunday 23 | ||||||||||||||
PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | AM | PM | Night | |
Swell Height Map |  |  |  |  |  |  |  | |||||||||||||
Wave Height (m) Direction Period (s) | SE 9 | SE 9 | SE 9 | SSE 9 | SSE 9 | SSE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 9 | SE 8 | SE 8 | SE 9 | SE 9 | SSE 9 | SSE 9 | ENE 13 | ENE 13 | ENE 13 |
Wave Graph  | ||||||||||||||||||||
 kJ | 13 | 21 | 41 | 30 | 55 | 55 | 70 | 68 | 67 | 65 | 59 | 57 | 57 | 65 | 115 | 165 | 227 | 724 | 922 | 1198 |
Wind (km/h) | ||||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross | cross-on | cross-on | cross | cross-on | glassy | glassy | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off |
High Tide | 10:15PM0.50m | 11:44AM0.38m | 10:36PM0.49m | 1:30PM0.37m | 11:00PM0.48m | 3:16PM0.39m | 11:29PM0.48m | 4:33PM0.41m | 00:11AM0.47m | 5:27PM0.43m | 1:09AM0.46m | 6:07PM0.44m | 2:19AM0.47m | |||||||
Low Tide | 4:13PM0.19m | 5:30AM0.10m | 4:50PM0.26m | 6:22AM0.06m | 5:31PM0.32m | 7:15AM0.03m | 6:22PM0.37m | 8:10AM0.01m | 7:26PM0.39m | 9:07AM-0.01m | 8:39PM0.40m | 10:03AM-0.02m | 9:46PM0.40m | |||||||
 |  |  | |  | |  | | | | | | |  | | |  | | | | |
 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — | 6:07 | — | — |
 | 6:40 | — | — | 6:40 | — | — | 6:39 | — | — | 6:39 | — | — | 6:38 | — | — | 6:37 | — | — | 6:37 | — |
mm | 2 | 2 | — | 2 | 4 | 6 | — | 2 | — | — | 1 | — | 1 | — | — | — | — | 3 | 2 | 2 |
Temp °C | 28 | 28 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 29 | 28 | 29 | 28 | 29 |
Feels °C | 30 | 33 | 33 | 33 | 31 | 30 | 30 | 30 | 33 | 33 | 32 | 33 | 34 | 33 | 32 | 32 | 30 | 30 | 28 | 30 |
Swell 1 Height (m) Direction Period (s) | W 8 | W 8 | W 8 | W 8 | W 8 | WNW 9 | W 8 | W 8 | W 8 | WNW 9 | WNW 11 | WNW 10 | WNW 10 | W 9 | SE 9 | SSE 9 | SSE 9 | ENE 13 | ENE 13 | ENE 13 |
| kJ | 241 | 246 | 223 | 190 | 165 | 176 | 173 | 88 | 143 | 103 | 156 | 133 | 128 | 60 | 115 | 165 | 227 | 724 | 922 | 1198 |
Swell 2 Height (m) Direction Period (s) | SE 9 | E 9 | SE 9 | SSE 9 | SSE 9 | SSE 9 | SE 9 | WNW 9 | SE 9 | WSW 9 | WSW 9 | WSW 9 | WSW 9 | SE 9 | W 9 | W 9 | E 10 | SSE 9 | SSE 9 | SSE 9 |
| kJ | 13 | 13 | 41 | 30 | 55 | 55 | 70 | 88 | 67 | 86 | 77 | 59 | 59 | 65 | 61 | 40 | 50 | 227 | 213 | 206 |
Swell 3 Height (m) Direction Period (s) | NNE 9 | SE 9 | E 8 | E 8 | E 9 | WSW 8 | E 9 | SE 9 | WNW 10 | SE 9 | SE 9 | SE 8 | SE 8 | WSW 8 | NE 9 | NE 9 | E 13 | NE 9 | — | SW 10 |
| kJ | 17 | 21 | 13 | 12 | 13 | 26 | 14 | 68 | 54 | 65 | 59 | 57 | 57 | 37 | 39 | 39 | 92 | 20 | — | 4 |
Wind waves Height (m) Direction Period (s) | — | — | — | — | NNW 2 | N 3 | NNW 4 | N 5 | N 5 | — | — | — | — | — | — | — | NW 5 | W 8 | W 4 | W 4 |
| kJ | — | — | — | — | 1 | 5 | 17 | 45 | 13 | — | — | — | — | — | — | — | 1 | 74 | 31 | 58 |
Nearest Offshore or Glassy | ||||||||||||||||||||
Distance (km) | 237 | 237 | 237 | 0 | 5 | 0 | 2070 | 2084 | 2070 | 11 | 16 | 11 | 11 | 0 | 0 | 0 | 2065 | 1985 | 1985 | 2070 |
Best forecast wave conditions in Guam | ||||||||||||||||||||
Best forecast wave conditions in Guam | ||||||||||||||||||||
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FREE! Surf-Forecast.com widget for your website
The surf report / weather widget below is available to embed on third party websites free of charge and provides a summary of our Ylig 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.
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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