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Surf Forecasts:

Tank Beach surfForecast / Saipan / Northern Mariana Islands

information circle12 Day Weather and Surf, issued 3 pm Tuesday 13 Jan 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
28.5° C
 (Which is slightly warmer than usual)

Best Forecast Surf Conditions for Tank Beach this week:

The surf forecast for Tank Beach over the next 12 days: The first swell (rated 1 star or higher) is forecast to arrive on Tuesday (Jan 20) at 7AM. The primary swell is predicted to be 1.1m and 9s period with a secondary swell of 0.7m and 7s. The wind is predicted to be cross-offshore as the swell arrives.

The most powerful waves expected at Tank Beach in the next 12 days are 1.9m 13s and forecast to arrive on Tuesday (Jan 13) at 10PM. Winds are predicted to be cross-onshore at the time the swell arrives.

Wave TypeTime (ChST) & Date Wave Height & Period
Next good surf (1 star+) 7AM (Tue 20th Jan)3.5ft (1.1m) 9s
Best Surf10PM (Tue 20th Jan)5ft (1.6m) 13s
Most Powerful10PM (Tue 13th Jan)6ft (1.9m) 13s

Table - best surf conditions forecast for Tank Beach over the next 12 days.

Updates in  hr  min  s Forecast update imminent 
12 DaysHourly
Print Table

Short Range Forecast Moderate rain (total 19mm), heaviest on Tue afternoon. Warm (max 28°C on Tue afternoon, min 27°C on Tue afternoon). Mainly fresh winds.

Days 3-6 Weather Summary Moderate rain (total 11mm), heaviest on Sun night. Warm (max 28°C on Sat afternoon, min 27°C on Fri afternoon). Mainly fresh winds.

Tue
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
PMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAM
Rating
(10 max)
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
1.8
E
1.9
NNW
2
E
1.9
ENE
1.9
E
1.9
E
1.8
E
1.9
E
1.7
E
1.6
E
1.5
E
1.5
E
1.5
E
1.4
E
1.4
E
1.4
E
1.5
E
1.4
E
1.4
E
1.2
E
1.1
E
Period(s) (?)9129999999999999999999
Wave
Graph
(?)Metric surfscale
Energy kJ (?)5171033709626575562494542430390351351349306311318380325325235194
Wind
(km/h)
30
E
30
E
30
E
30
E
30
E
35
E
30
E
30
E
20
E
20
E
20
E
20
ESE
20
ESE
20
ENE
25
E
25
E
30
ESE
25
ESE
25
SE
10
SE
10
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		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscrosscrosscross-
off
High Tide
/ height (m)
7:13AM
0.62
2:34PM
0.69
7:49AM
0.65
3:10PM
0.70
8:23AM
0.67
3:53PM
0.70
8:57AM
0.68
4:37PM
0.71
9:30AM
0.70
5:22PM
0.72
9:59AM
0.70
6:07PM
0.72
10:25AM
0.71
Low Tide
/ height (m)
10:28PM
0.18
9:12AM
0.61
11:07PM
0.14
10:32AM
0.63
11:46PM
0.10
11:34AM
0.64
12:25AM
0.07
12:24PM
0.64
1:04AM
0.05
1:10PM
0.65
1:42AM
0.04
1:56PM
0.64
2:19AM
0.06
Tue
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Sunrise--6:46--6:46--6:46--6:46--6:46--6:47--6:47
Sunset6:04--6:04--6:05--6:05--6:06--6:07--6:07--
light rain
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
rain showers
clear
clear
thunderstorm
clear
clear
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
clear
Rain (mm)
23126311--1--1-162-1-
Temp. °C282827272727272827272727282727282727282828
Feels °C (?)282826272726262828282929292827282627293032
  • 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

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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.

View detailed surf forecast for Tank Beach at:
surf-forecast.com

Information about the Tank Beach Surf forecast

The above surf forecast table for Tank Beach provides essential information for determining whether the surfing conditions will be good over the next 12 days. A general guide to surfing at Tank Beach can be found by selecting the local surf guide option on the grey menu. Our Tank Beach surf forecast is unique since it includes wave energy (power) that defines the real feel of the surf rather than just the height or the period. If you surf the same spot (Tank Beach) regularly then make a mental note of the wave energy from the surf forecast table each time you go. Very soon you may start to choose your surf days based on the wave energy alone combined with our forecast of favourable offshore wind conditions. Our star ratings will help here and of course you will also find the usual wave height and period predictions on our surf forecasts as well as a full break down of the swell components under our advanced users option (to reveal that, click the little Einstein character under the tide times).

Further information to help with frequently asked questions about our surf forecast for Tank Beach may be found under the help tab on the top menu and also by moving your mouse over the question marks on the surf forecast table itself. Please always bear in mind that the forecast is for near-shore open water and local factors at each surf break influence the actual breaking wave height, such as the beach / reef profile, water depths offshore and shelter.

Tank Beach is 19 km (12 miles) from Saipan. If you plan a holiday in Saipan, look for hotels and other accommodation in Saipan. Saipan has rooms for a wide range of budgets as well as car hire and transport links.

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