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Tank Beach surfForecast / Saipan / Northern Mariana Islands

information circle48hr Weather and Surf, issued 3 pm Monday 20 Apr 2026 ChST
Forecast update in hr  min  s Forecast update imminent
Tank Beach surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Tank Beach sea temperature is
26.6° C
(Which is 1.4°C colder than average for this time of year)

How big are the waves at Tank Beach today?

The current surf forecast for Tank Beach at 11PM is: 1.5m 12s primary swell from a North direction and 0.3m 8s secondary swell from a East direction (forecast issued at 03:00pm April 20). The wind direction is predicted to be onshore.

Time (ChST) & DateWave HeightWave Period
Morning (20 Apr)--
Afternoon (20 Apr)5ft (1.6m)12s
Evening (20 Apr)5ft (1.5m)12s

Table - waves today at Tank Beach. (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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.6
N
1.6
N
1.6
N
1.5
N
1.5
N
1.5
N
1.5
N
1.5
N
1.4
NNE
1.5
NNE
1.5
NNE
1.5
NNE
1.5
NNE
1.5
NNE
1.5
NNE
1.4
NNE
1.4
NNE
1.4
NNE
1.5
NNE
1.6
NNE
1.5
NNE
1.5
NNE
1.5
NNE
1.4
NNE
Period(s) (?)121212121212121111121211111111111111111111111111
Wave
Graph
(?)Metric surfscale
Energy kJ (?)687690714617625625615596513559559531544544544486460495573628527517517458
Wind
(km/h)
0
NNW
5
N
5
NNE
5
NNE
10
NNE
10
NE
10
NE
15
ENE
10
ENE
15
NE
15
NE
15
NE
15
ENE
20
ENE
20
ENE
15
ENE
20
E
20
E
20
ENE
25
ENE
25
ENE
25
E
25
ENE
25
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
glassglasscross-
on
onononononononononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
11:52PM
0.75
8:27AM
0.73
1:07AM
0.75
9:09AM
0.71
2:15AM
0.75
Low Tide
/ height (m)
4:32AM
0.65
4:41PM
0.01
5:46AM
0.66
5:40PM
0.03
7:09AM
0.65
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Sunrise------5:58-------5:58-------5:58-
Sunset-6:31-------6:31-------6:31------
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C262626262625252526262626262626262627272727262626
Feels °C (?)302929292927282729282727272727282728282828262627
  • 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 Tank Beach 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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