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Surf Forecasts

Tank Beach surfForecast / Saipan / Northern Mariana Islands

information circle12 Day Weather and Surf, issued 3 am Sunday 16 Mar 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
28.1° 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 Wednesday (Mar 19) at 1PM. The primary swell is predicted to be 1.6m and 9s period with a secondary swell of 0.8m and 12s. The wind is predicted to be cross-shore as the swell arrives.

The most powerful waves expected at Tank Beach in the next 12 days are 2.0m 10s and forecast to arrive on Sunday (Mar 16) at 10AM. 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+) 1PM (Wed 19th Mar)5ft (1.6m) 9s
Best Surf 1PM (Wed 19th Mar)5ft (1.6m) 9s
Most Powerful10AM (Sun 16th Mar)6.5ft (2.0m) 10s

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

Hourly12 Days
Saipan Surf
Print Surf Table
Updates in  hr  min  s Forecast update imminent 
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
AMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNightAMPMNight
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
0
0
0
0
0
0
0
0
0
0
0
0
Swell
Height Map
See all maps
Wave Height (m) & direction (?)
2
E
2
E
1.9
E
1.9
E
1.8
E
1.7
E
1.6
E
1.7
E
1.7
E
1.6
E
1.6
E
1.6
E
1.6
E
1.6
E
1.6
E
1.7
E
1.7
E
1.6
E
1.5
E
1.5
E
1.3
N
1.3
N
1.2
N
1.2
N
1.1
N
1.1
NNE
1.1
E
1.1
E
0.9
NNE
1.1
E
1.1
E
1.1
ESE
1.1
ESE
1.1
ESE
1.1
ESE
1
ESE
Period(s) (?)101099999999999109101010101013121312121199129999999
Wave
Graph
(?)Metric surfscale
Energy (?)745745627612551481408459471417416425444453444511511453407407555530475425341325191185232206199206202206211177
Wind
(km/h)
30
E
25
E
25
E
25
ESE
25
ESE
20
ESE
25
ESE
25
E
25
E
20
ESE
10
ENE
20
E
20
E
15
ENE
25
E
20
NE
20
ESE
25
E
25
ENE
20
E
20
E
25
E
20
ESE
20
E
20
E
20
E
20
E
25
E
20
E
20
E
20
E
15
ENE
20
ENE
25
ENE
25
NE
30
NE
Wind State (?)
onshore
cross-onshore
cross-shore
cross-offshore
offshore
glassy
cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		oncross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		crosscross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		cross-
on		onononon
High Tide
/ height (m)
9:18PM
0.64
8:54AM
0.66
10:20PM
0.63
9:07AM
0.65
11:28PM
0.62
9:22AM
0.64
12:48AM
0.61
9:40AM
0.64
2:21AM
0.62
10:02AM
0.64
3:51AM
0.63
10:35AM
0.64
4:52AM 11:28AM
0.66 0.64
5:31AM 12:46PM
0.68 0.65
5:58AM
0.69
2:15PM
0.65
6:19AM
0.71
3:40PM
0.67
6:38AM
0.72
4:59PM
0.68
Low Tide
/ height (m)
3:00PM
0.34
3:04AM
0.42
3:37PM
0.29
3:40AM
0.47
4:17PM
0.26
4:18AM
0.52
5:00PM
0.23
5:00AM
0.56
5:48PM
0.21
5:53AM
0.59
6:41PM
0.20
7:07AM
0.62
7:39PM
0.18
8:35AM
0.63
8:37PM
0.16
9:46AM
0.63
9:33PM
0.14
10:38AM
0.61
10:26PM
0.14
11:22AM
0.57
11:16PM
0.15
12:04PM
0.51
12:04AM
0.19
Sunday
16
Monday
17
Tuesday
18
Wednesday
19
Thursday
20
Friday
21
Saturday
22
Sunday
23
Monday
24
Tuesday
25
Wednesday
26
Thursday
27
Sunrise6:24--6:22--6:22--6:22--6:20--6:20--6:20--6:18--6:18--6:18--6:16--6:16--
Sunset-6:27--6:27--6:27--6:27--6:27--6:27--6:27--6:28--6:28--6:28--6:28--6:28-
clearclearclearclearclearrain showersthunderstorm clearpart cloudpart cloudpart cloudpart cloudclearrain showersclearthunderstorm rain showersclearclearclearclearrain showersrain showerspart cloudclearpart cloudclearclearclearclearclearclearclearclearclearrain showers
Rain (mm)
-----11------3-12----11------------1
Temp. °C272727272727272727272727272726272727262726272727272727272727272727272726
Feels °C (?)272727282727272728283028292926282826262726272728282828282728292928272724

Short Range Forecast: Light rain (total 2mm), mostly falling on Mon night. Warm (max 27°C on Sun morning, min 26°C on Mon night). Wind will be generally light.

Days 3-6 Weather Summary Light rain (total 6mm), mostly falling on Thu afternoon. Warm (max 27°C on Wed morning, min 26°C on Wed night). Wind will be generally light.

Days 6-9 Weather Summary Light rain (total 2mm), mostly falling on Sun morning. Warm (max 27°C on Sat afternoon, min 26°C on Sat morning). Wind will be generally light.

Long Range Forecast: Some drizzle, heaviest during Thu night. Warm (max 27°C on Tue morning, min 26°C on Tue night). Mainly fresh winds.

  • Map Icons:
  • Break
  • Live Wave Height (m)
  • Live Wind Speed (km/h)
  • Surf Rating (10 Max)
  • Ocean Swells (m)
  • Wind Speed (km/h)
<span class="translation_missing" title="translation missing: en.leaflet.map_placeholder_alt">Map Placeholder Alt</span>
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View detailed surf forecast for Tank Beach at:
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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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