Tank Beach surfForecast / Saipan / Northern Mariana Islands

information circle48hr Weather and Surf, issued 3 pm Wednesday 31 Dec 2025 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
28.8° 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 11PM is: 1.0m 15s primary swell from a North-northeast direction and 0.7m 10s secondary swell from a North direction, 1.6m 8s secondary swell from a East-northeast direction (forecast issued at 03:00pm December 31). The wind direction is predicted to be cross-onshore.

Time (ChST) & DateWave HeightWave Period
Morning (31 Dec)--
Afternoon (31 Dec)6ft (1.9m)8s
Evening (31 Dec)3.5ft (1.0m)15s

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

Updates in  hr  min  s Forecast update imminent
Wednesday
31
Thursday
01
Friday
02
Saturday
03
1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM1PM4PM7PM10PM1AM4AM7AM10AM
Rating
(10 max)
0
0
0
0
0
0
0
2
1
1
0
0
0
0
0
0
1
1
0
2
3
3
3
3
Swell
Height Map
Wave Height (m) & direction (?)
2
ENE
1.9
ENE
0.9
NNE
1
NNE
1.3
NNE
1.4
NNE
1.4
NNE
1.4
NNE
1.5
NNE
1.5
NNE
1.8
NE
1.4
NNE
1.4
NNE
1.2
NNE
1.3
NNE
1.1
NNE
1
NNE
0.9
NNE
0.9
NNE
1.1
NNE
1.1
NNE
1.1
NNE
1.1
NNE
1
NNE
Period(s) (?)8816151514141414141313131312121212121414141313
Wave
Graph
(?)Metric surfscale
Energy kJ (?)4594004254617068458458349178791144700679469543365278239218515480447434368
Wind
(km/h)
30
E
30
E
25
E
25
E
25
ESE
25
E
25
ESE
25
ESE
20
ESE
15
E
20
ESE
25
ESE
20
ESE
20
E
25
ESE
30
SE
20
SE
20
SE
15
SE
15
SE
15
SE
10
SSE
10
SSE
5
SSE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscross-
on
cross-
on
cross-
on
cross-
on
cross-
on
cross-
on
crosscrosscrosscrosscrosscrosscross-
off
cross-
off
cross-
off
cross-
off
High Tide
/ height (m)
3:03PM
0.77
7:34AM
0.71
3:45PM
0.78
8:29AM
0.75
4:33PM
0.79
9:18AM
0.77
Low Tide
/ height (m)
11:16PM
0.03
11:04AM
0.66
12:06AM
-0.04
12:15PM
0.69
12:56AM
-0.08
Wednesday
31
Thursday
01
Friday
02
Saturday
03
Sunrise------6:41-------6:43-------6:43-
Sunset-5:55-------5:57-------5:57------
thunderstorm
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
thunderstorm
clear
clear
clear
thunderstorm
thunderstorm
part cloud
part cloud
clear
clear
clear
clear
clear
clear
Rain (mm)
1---------1---11--------
Temp. °C272727272727272728282727272727272828272727272727
Feels °C (?)262627282827272729302827282827262929282929303030
  • 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

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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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