Tank Beach surfForecast / Saipan / Northern Mariana Islands

information circle48hr Weather and Surf, issued 9 pm Friday 13 Mar 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 slightly warmer than usual)

How big are the waves at Tank Beach today?

The current surf forecast for Tank Beach at 5AM is: 1.7m 14s primary swell from a Northeast direction and 1.3m 10s secondary swell from a North direction (forecast issued at 09:00pm March 13). An open ocean swell of 0.9m 7s is not directed at the surf break. The wind direction is predicted to be offshore and the swell rating is 4.

Time (ChST) & DateWave HeightWave Period
Morning (14 Mar)7ft (2.1m)16s
Afternoon (14 Mar)7ft (2.2m)16s
Evening (14 Mar)7.5ft (2.3m)16s

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


Updates in  hr  min  s Forecast update imminent
Fri
13
Saturday
14
Sunday
15
Monday
16
7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM
Rating
(10 max)
3
4
3
4
2
1
2
0
2
1
1
1
3
2
2
0
2
0
0
0
0
0
0
0
Swell
Height Map
Wave Height (m) & direction (?)
1.8
NE
1.8
NE
1.9
NE
1.7
NE
2
NE
2.2
NE
2.2
NE
2.2
NE
2.3
NE
2.3
NE
2.2
NE
2.2
NE
2.2
NE
2.2
NE
2.2
NE
2.2
NE
2.1
NE
3.5
NW
3.5
NW
3.5
NW
3
NW
3
NNW
3
NNW
2.1
NE
Period(s) (?)141313141616161616161616161616161614131313131316
Wave
Graph
(?)Metric surfscale
Energy kJ (?)121511791285103619042354235423542506250623542354235423842354235421853953398436123076267924322087
Wind
(km/h)
30
SW
25
WSW
30
SW
25
SW
25
W
25
NW
30
NW
35
NNW
30
NW
30
NNW
30
NW
30
NW
25
NNW
25
NNW
25
NNW
25
NNW
25
NNW
25
N
20
N
25
NNE
35
N
30
NNE
25
NNE
30
NNE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
offoffoffoffcross-
off
crosscrosscrosscrosscrosscrosscrosscrosscrosscrosscross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
oncross-
on
High Tide
/ height (m)
6:15AM
0.66
2:00PM
0.64
6:40AM
0.67
3:15PM
0.65
7:00AM
0.68
Low Tide
/ height (m)
9:39PM
0.17
10:25AM
0.61
10:28PM
0.16
11:10AM
0.59
11:13PM
0.16
11:52AM
0.56
Fri
13
Saturday
14
Sunday
15
Monday
16
Sunrise----6:26-------6:24-------6:24---
Sunset-------6:25-------6:25-------6:27
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
part cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
cloud
rain showers
clear
part cloud
part cloud
Rain (mm)
4-12221-------------1---
Temp. °C262627272727262626252525252425242525252324242424
Feels °C (?)262727282727242323222221232122212122222119202120
  • 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.


Nearest locationNearest
Nearest locationNearest
Nearest locationNearest