Tank Beach surfForecast / Saipan / Northern Mariana Islands

information circle48hr Weather and Surf, issued 9 am Sunday 19 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
26.8° C
(Which is 1.2°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 1PM is: 2.3m 12s primary swell from a North-northwest direction and 0.5m 11s secondary swell from a East-northeast direction (forecast issued at 09:00am April 19). The wind direction is predicted to be cross-offshore and the swell rating is 4.

Time (ChST) & DateWave HeightWave Period
Morning (19 Apr)8ft (2.4m)12s
Afternoon (19 Apr)7.5ft (2.3m)12s
Evening (19 Apr)7ft (2.1m)13s

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


Updates in  hr  min  s Forecast update imminent
Sunday
19
Monday
20
Tuesday
21
Wed
22
7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM
Rating
(10 max)
4
4
4
4
4
4
4
3
4
3
3
2
2
2
2
1
1
2
2
1
1
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
2.4
NNW
2.3
NNW
2.3
NNW
2.3
NNW
2.2
N
2.1
N
2
N
2
N
1.9
N
1.7
N
1.6
N
1.6
N
1.5
N
1.5
N
1.5
N
1.5
N
1.6
N
1.6
N
1.6
NNE
1.6
NNE
1.6
NNE
1.6
NNE
1.6
NNE
1.6
NNE
Period(s) (?)121212131313131212121212121212121212121212121212
Wave
Graph
(?)Metric surfscale
Energy kJ (?)167415051518161016061423125812091056802687690628617625636722736755755743683671671
Wind
(km/h)
15
SW
10
WSW
10
WSW
10
WSW
10
W
5
W
10
WNW
10
NW
5
NNW
0
E
5
NW
5
NNW
5
N
5
NNE
10
N
10
NNE
10
NNE
10
NE
10
NE
10
NE
15
NE
15
NE
15
NE
20
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffcross-
off
cross-
off
cross-
off
glasscross-
off
crossglassglassglasscrosscross-
on
cross-
on
cross-
on
cross-
on
onononononononon
High Tide
/ height (m)
7:19AM
0.73
10:37PM
0.74
7:51AM
0.73
11:52PM
0.75
8:27AM
0.73
1:07AM
0.75
Low Tide
/ height (m)
2:56PM
0.05
3:28AM
0.61
3:47PM
0.02
4:32AM
0.65
4:41PM
0.01
Sunday
19
Monday
20
Tuesday
21
Wed
22
Sunrise6:00-------6:00-------5:58-------
Sunset---6:30-------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. °C262626272726262625252626262625252525262626262625
Feels °C (?)282928293029292929293029292927272728292827272726
  • 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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