Tank Beach surfForecast / Saipan / Northern Mariana Islands

information circle48hr Weather and Surf, issued 3 am Tuesday 21 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 7AM is: 1.5m 12s primary swell from a North direction and 0.4m 8s secondary swell from a East direction (forecast issued at 03:00am April 21). The wind direction is predicted to be onshore.

Time (ChST) & DateWave HeightWave Period
Morning (21 Apr)5ft (1.5m)12s
Afternoon (21 Apr)5ft (1.5m)12s
Evening (21 Apr)5ft (1.5m)11s

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


Updates in  hr  min  s Forecast update imminent
Tuesday
21
Wednesday
22
Thursday
23
1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM
Rating
(10 max)
2
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.5
N
1.5
N
1.5
N
1.4
NNE
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
1.4
NNE
1.4
NNE
1.5
NNE
1.4
NNE
1.5
NNE
1.4
NNE
1.4
NNE
1.2
NNE
1.3
NNE
0.7
NNE
Period(s) (?)121212111112121111111111111111111111111111111116
Wave
Graph
(?)Metric surfscale
Energy kJ (?)625625615522513559559553544544544460460495504495527458517450450305403226
Wind
(km/h)
10
NNE
10
NNE
15
NE
15
ENE
15
NE
15
NE
15
NE
20
NE
20
ENE
20
ENE
25
ENE
25
ENE
20
E
20
E
20
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
E
25
ENE
25
ENE
25
ENE
25
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononononononononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
oncross-
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
10:03AM
0.68
Low Tide
/ height (m)
4:32AM
0.65
4:41PM
0.01
5:46AM
0.66
5:40PM
0.03
7:09AM
0.65
6:40PM
0.07
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. °C262626262626262626262627272727272727272727272727
Feels °C (?)282828282827262626262627272828282727272727272828
  • 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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