Tank Beach surfForecast / Saipan / Northern Mariana Islands

information circle48hr Weather and Surf, issued 9 pm Saturday 21 Feb 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
28.3° C
(Which is 1.0°C warmer than normal for this time of year)


How big are the waves at Tank Beach today?

The current surf forecast for Tank Beach at 1AM is: 1.4m 12s primary swell from a East-northeast direction and 0.1m 18s secondary swell from a North direction, 1.4m 10s secondary swell from a North direction (forecast issued at 09:00pm February 21). The wind direction is predicted to be onshore.

Time (ChST) & DateWave HeightWave Period
Morning (22 Feb)4ft (1.2m)10s
Afternoon (22 Feb)5.5ft (1.7m)8s
Evening (22 Feb)6ft (1.9m)9s

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

Updates in  hr  min  s Forecast update imminent
Sat
21
Sunday
22
Monday
23
Tuesday
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 (?)
1.4
ENE
1.4
ENE
1.4
ENE
1.7
N
1.8
NNE
1.2
ENE
1.1
E
1.7
ENE
1.8
ENE
1.8
ENE
2.2
ENE
2.4
ENE
2.5
ENE
3
ENE
3.5
ENE
3
ENE
3
ENE
2.5
ENE
2.5
ENE
2.4
ENE
2.2
ENE
2.3
ENE
2.5
ENE
3
NE
Period(s) (?)1212121081010899999999998888810
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5054974805294703182324004755027478671082155617691458126111069317416436456942024
Wind
(km/h)
15
NE
25
NE
25
NE
30
NE
30
ENE
30
ENE
25
E
25
ENE
30
ENE
30
ENE
30
ENE
35
ENE
40
ENE
40
ENE
45
ENE
45
ENE
45
ENE
40
ENE
35
ENE
35
ENE
35
ENE
40
ENE
40
ENE
40
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononononcross-
on
cross-
on
cross-
on
cross-
on
cross-
on
ononcross-
on
cross-
on
cross-
on
ononononononcross-
on
cross-
on
cross-
on
High Tide
/ height (m)
10:43PM
0.62
10:26AM
0.71
12:15AM
0.61
10:52AM
0.72
2:08AM
0.62
11:26AM
0.72
Low Tide
/ height (m)
4:23AM
0.42
5:37PM
0.26
5:07AM
0.50
6:35PM
0.20
6:01AM
0.57
Sat
21
Sunday
22
Monday
23
Tuesday
24
Sunrise----6:37-------6:37-------6:37---
Sunset-------6:22-------6:22-------6:22
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
light rain
part cloud
cloud
cloud
cloud
cloud
part cloud
part cloud
part cloud
Rain (mm)
1332111112223221--------
Temp. °C272626262627272727262626262626272626262627272727
Feels °C (?)282625252526272726252524232221222121222223232323
  • 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

Latest Updates

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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