Tank Beach surfForecast / Saipan / Northern Mariana Islands

information circle48hr Weather and Surf, issued 3 pm Wednesday 18 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
28.2° C
(Which is slightly warmer than usual)


How big are the waves at Tank Beach today?

The current surf forecast for Tank Beach at 10PM is: 1.6m 10s primary swell from a East-northeast direction and 0.3m 7s secondary swell from a North direction (forecast issued at 03:00pm February 18). The wind direction is predicted to be onshore.

Time (ChST) & DateWave HeightWave Period
Morning (18 Feb)--
Afternoon (18 Feb)5ft (1.6m)9s
Evening (18 Feb)5ft (1.6m)10s

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

Updates in  hr  min  s Forecast update imminent
Wednesday
18
Thursday
19
Friday
20
Saturday
21
1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM
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 (?)
1.6
ENE
1.6
ENE
1.6
ENE
1.6
ENE
1.6
ENE
1.6
ENE
1.6
ENE
1.5
ENE
1.5
ENE
1.4
ENE
1.4
ENE
1.4
ENE
1.4
ENE
1.4
ENE
1.4
E
1.5
E
1.5
E
1.5
NE
0.9
ENE
1.4
ENE
1.3
E
1.3
E
0.9
ENE
0.9
ENE
Period(s) (?)9991010999910101010111110108118881112
Wave
Graph
(?)Metric surfscale
Energy kJ (?)433433433452462452452367367370386394435452441506495268198270208210221218
Wind
(km/h)
25
ENE
20
NE
25
NE
25
NE
20
NE
20
NE
20
NE
25
NE
25
NE
20
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
25
E
25
ENE
30
ENE
30
ENE
25
ENE
25
ENE
25
ENE
25
ENE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
onononononononononononononononcross-
on
cross-
on
cross-
on
oncross-
on
cross-
on
cross-
on
onon
High Tide
/ height (m)
7:14PM
0.70
9:27AM
0.70
8:16PM
0.68
9:44AM
0.71
9:25PM
0.65
Low Tide
/ height (m)
2:28AM
0.18
3:05PM
0.47
3:05AM
0.25
3:53PM
0.40
3:43AM
0.33
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunrise------6:39-------6:39-------6:39-
Sunset-6:21-------6:21-------6:21------
clear
clear
clear
clear
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
clear
clear
clear
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
Rain (mm)
-----122--111312----1221
Temp. °C272727272726262627272727272726272727272727262626
Feels °C (?)282828282927272628282728282726272727262627262625
  • 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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