Tank Beach surfForecast / Saipan / Northern Mariana Islands

information circle48hr Weather and Surf, issued 9 pm 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
27.2° C
(Which is slightly cooler than normal)

How big are the waves at Tank Beach today?

The current surf forecast for Tank Beach at 3AM is: 1.5m 11s primary swell from a North-northeast direction and 0.4m 8s secondary swell from a East direction (forecast issued at 09:00pm April 21). The wind direction is predicted to be onshore.

Time (ChST) & DateWave HeightWave Period
Morning (22 Apr)4.5ft (1.4m)11s
Afternoon (22 Apr)4.5ft (1.4m)11s
Evening (22 Apr)4.5ft (1.4m)11s

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


Updates in  hr  min  s Forecast update imminent
Tue
21
Wednesday
22
Thursday
23
Friday
24
7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM
Rating
(10 max)
0
0
0
0
0
0
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
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
1.5
NNE
1.4
NNE
1.4
NNE
1.3
NNE
1.2
NNE
1.3
NNE
0.7
NNE
0.8
NNE
0.9
NNE
1
NNE
1.1
NNE
1.1
NNE
1.1
NNE
Period(s) (?)121111111111111111111111111111111116161616151515
Wave
Graph
(?)Metric surfscale
Energy kJ (?)559531544544544460460495504495517517458450359305403226284353457519498485
Wind
(km/h)
15
NE
15
NE
15
ENE
20
NE
25
ENE
25
ENE
25
E
20
E
20
ENE
25
E
25
E
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
E
25
E
25
ENE
25
ENE
25
ENE
20
E
20
E
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
ononcross-
on
ononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
High Tide
/ height (m)
1:07AM
0.75
9:09AM
0.71
2:15AM
0.75
10:03AM
0.68
3:10AM
0.74
11:17AM
0.64
Low Tide
/ height (m)
5:46AM
0.66
5:40PM
0.03
7:09AM
0.65
6:40PM
0.07
8:31AM
0.62
Tue
21
Wednesday
22
Thursday
23
Friday
24
Sunrise----5:58-------5:58-------5:56---
Sunset-------6:31-------6:31-------6:31
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
Rain (mm)
------------------------
Temp. °C272626262626272727272727272727272727272727272727
Feels °C (?)292727272626272728272728282728272828282827282828
  • 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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