20 April 2026: Tsunami Alert Issued for NE Japan

A magnitude-7.4 earthquake off the coast of Sanriku has triggered a tsunami warning. latest updates

Magoos surfForecast / Guam / Guam

information circle48hr Weather and Surf, issued 3 pm Monday 20 Apr 2026 ChST
Forecast update in hr  min  s Forecast update imminent
Magoos surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Magoos sea temperature is
27.2° C
(Which is 1.0°C colder than average for this time of year)

How big are the waves at Magoos today?

The current surf forecast for Magoos at 9PM is: 1.3m 11s primary swell from a North direction (forecast issued at 03:00pm April 20). An open ocean swell of 0.4m 12s is not directed at the surf break. The wind direction is predicted to be cross-offshore and the swell rating is 2.

Time (ChST) & DateWave HeightWave Period
Morning (20 Apr)--
Afternoon (20 Apr)5ft (1.5m)12s
Evening (20 Apr)4.5ft (1.3m)11s

Table - waves today at Magoos. (Swell directed towards the surf break)


Updates in  hr  min  s Forecast update imminent
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM
Rating
(10 max)
3
3
2
2
2
1
1
1
1
0
0
1
1
0
0
0
1
1
1
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.6
N
1.5
N
1.4
N
1.3
N
1.2
N
1.2
N
1.2
N
1.2
N
1.1
N
1.1
N
1.1
N
1
N
1
N
1
NNE
1
NNE
0.9
NNE
0.9
NNE
0.9
NNE
0.9
NNE
0.9
NNE
0.9
NNE
0.9
NNE
0.9
NNE
0.9
NNE
Period(s) (?)121211111212121212111111121111111111111111111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)723617502433396396404404336313302265274278273225221214214173193193193193
Wind
(km/h)
5
ENE
5
NNE
10
NE
10
ENE
10
ENE
10
NE
15
NE
15
ENE
15
NE
20
NE
15
NE
15
NE
15
ENE
20
NE
20
NE
25
NE
25
ENE
25
ENE
20
ENE
20
ENE
20
ENE
20
ENE
20
ENE
25
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglasscrosscross-
off
cross-
off
crosscrosscross-
off
cross-
off
crosscrosscross-
off
cross-
off
crosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
11:06PM
0.76
9:10AM
0.75
12:16AM
0.74
9:56AM
0.72
1:31AM
0.72
Low Tide
/ height (m)
3:49PM
-0.16
4:20AM
0.50
4:44PM
-0.16
5:21AM
0.53
5:43PM
-0.12
6:33AM
0.54
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Sunrise------6:05-------6:03-------6:03-
Sunset-6:34-------6:35-------6:35------
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C272727262625252627272626262626272727262626262627
Feels °C (?)303130282927272728282728282727272727272727272727
  • 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

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 Magoos 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest