Threes Surf Break

Lat Long: 13.26° N 144.66° E

GUAM

Threes 48 hour detailed Surf Forecast

Issued: 9 pm 15 Sep 2026 (local time)

Forecast update in  hr  min

Today's Threes sea temperature is
30.0°C
0.7° 

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


How big are the waves at Threes today (16 Sep):

    The current surf forecast for Threes at 12AM is: 0.9m 8s primary swell from a Southwest direction (forecast issued at 09:00pm September 15). An open ocean swell of 1.0m 8s is not directed at the surf break. The wind direction is predicted to be cross-onshore.


    Short Range Forecast

    Heavy rain (total 36mm), heaviest during Wed afternoon. Warm (max 29°C on Tue night, min 28°C on Tue night). Wind will be generally light.

    Tue
    15
    Wednesday
    16
    Thursday
    17
    7 PM
    10 PM
    1 AM
    4 AM
    7 AM
    10 AM
    1 PM
    4 PM
    7 PM
    10 PM
    1 AM
    4 AM
    7 AM
    10 AM
    1 PM
    4 PM
    7 PM
    10 PM
    Rating
    (10 max)
    0
    0
    0
    0
    0
    0
    0
    0
    0
    0
    0
    0
    0
    0
    0
    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)
    1
    ENE
    9
    1
    ENE
    9
    0.9
    SW
    8
    0.9
    SW
    8
    1
    SW
    8
    1
    SW
    8
    0.9
    WSW
    8
    1.2
    NE
    9
    1.1
    NE
    9
    1.1
    NE
    9
    1.3
    SW
    8
    1
    NE
    9
    1.1
    SW
    8
    1.4
    SW
    7
    1
    WSW
    8
    1.6
    SW
    8
    1.6
    SW
    8
    1.6
    SW
    8
    Wave Graph
    Metric surfscale
    Energy kJ
    0
    0
    102
    91
    114
    111
    112
    253
    211
    206
    208
    151
    151
    168
    136
    314
    322
    349
    Wind (km/h)
    10
    WNW
    10
    W
    15
    W
    20
    W
    20
    W
    20
    W
    25
    W
    20
    W
    20
    W
    20
    W
    20
    WSW
    25
    WSW
    25
    WSW
    25
    WSW
    25
    W
    25
    W
    20
    W
    20
    W
    Wind State
    on
    cross-on
    cross-on
    cross-on
    cross-on
    cross-on
    cross-on
    cross-on
    on
    cross-on
    cross-on
    cross-on
    cross-on
    cross-on
    cross-on
    on
    on
    on
    High Tide
    9:48PM0.68m
    11:39AM0.62m
    10:14PM0.66m
    12:46PM0.59m
    Low Tide
    4:09PM0.34m
    4:44AM0.06m
    4:45PM0.41m
    5:29AM0.06m
    5:28PM0.46m
    thunderstorm
    thunderstorm
    part cloud
    part cloud
    thunderstorm
    thunderstorm
    thunderstorm
    thunderstorm
    thunderstorm
    thunderstorm
    thunderstorm
    thunderstorm
    part cloud
    clear
    thunderstorm
    clear
    cloud
    thunderstorm
    <span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
    6:09
    6:09
    <span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
    6:22
    6:21
     mm
    2
    1
    1
    1
    2
    4
    6
    4
    5
    2
    1
    1
    Temp °C
    28
    28
    28
    28
    29
    29
    29
    28
    28
    28
    28
    28
    28
    29
    29
    29
    29
    29
    Feels °C
    32
    32
    31
    30
    31
    30
    30
    30
    30
    30
    30
    29
    28
    30
    30
    30
    31
    31
    • 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
    How to use the Wavefinder 

    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 Threes 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.


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