Tank Beach surfForecast / Saipan / Northern Mariana Islands

information circle48hr Weather and Surf, issued 9 pm Tuesday 19 May 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
28.6° C
(Which is normal for this time of year)

How big are the waves at Tank Beach today?

The current surf forecast for Tank Beach at 12AM is: 2.2m 9s primary swell from a East direction and 0.2m 9s secondary swell from a North-northeast direction, 0.2m 11s secondary swell from a North-northeast direction (forecast issued at 09:00pm May 19). The wind direction is predicted to be cross-onshore.

Time (ChST) & DateWave HeightWave Period
Morning (20 May)7ft (2.2m)9s
Afternoon (20 May)7.5ft (2.3m)9s
Evening (20 May)7.5ft (2.3m)9s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Moderate rain (total 10mm), heaviest on Thu night. Warm (max 28°C on Tue night, min 28°C on Tue night). Mainly fresh winds.

Tue
19
Wednesday
20
Thursday
21
Friday
22
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
7 PM
10 PM
1 AM
4 AM
7 AM
10 AM
1 PM
4 PM
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
Height MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Height MapHeight MapHeight Map
Wave
Height (m)
Direction
Period (s)
2.3
E
9
2.2
E
9
2.2
E
9
2.1
E
9
2.1
E
9
2.2
E
9
2.2
E
9
2.3
ENE
9
2.3
ENE
9
2.2
E
9
2.2
E
9
2.2
E
9
2.1
E
9
2
E
9
2
E
9
2.1
E
9
2
E
9
2
E
9
2
E
9
2
E
9
1.9
ENE
8
1.9
E
8
1.9
E
8
1.9
E
8
Wave Graph
Metric surfscale
Energy kJ
874
800
800
715
715
777
759
773
773
759
759
749
683
621
646
710
646
632
632
617
522
512
512
524
Wind (km/h)
35
ENE
30
E
30
E
35
E
35
ENE
35
ENE
35
ENE
35
ENE
30
ENE
35
ENE
35
E
30
E
30
ENE
30
ENE
30
ENE
30
ENE
30
ENE
30
E
25
E
25
E
30
E
30
E
25
ENE
25
E
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
on
on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
High Tide
11:54PM0.79m
7:59AM0.74m
00:50AM0.78m
8:53AM0.71m
1:38AM0.77m
10:00AM0.66m
Low Tide
4:32AM0.68m
4:24PM-0.03m
5:46AM0.67m
5:18PM0.03m
7:04AM0.63m
clear
clear
clear
clear
thunderstorm
thunderstorm
clear
thunderstorm
clear
clear
clear
part cloud
cloud
clear
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:47
5:46
5:46
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:38
6:39
6:39
1
1
1
1
1
1
2
1
1
Temp °C
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
28
27
27
27
27
27
27
27
27
27
27
26
27
27
27
27
27
27
28
29
29
28
28
28
28
Swell 1
Height (m)
Direction
Period (s)
0.3
NNE
9
0.3
NNE
9
0.2
NNE
9
0.2
NNE
9
0.2
NNE
9
0.2
NNE
10
0.2
NNE
10
0.2
NNE
10
0.2
NNE
10
0.3
NNE
10
0.3
NNE
9
0.3
NNE
9
0.3
NNE
9
0.3
NNE
9
0.3
NNE
9
0.2
NNE
9
0.2
NNE
9
0.2
NNE
11
0.2
NNE
11
0.4
NE
11
0.3
NNE
10
0.4
NE
10
0.4
NE
10
0.4
NE
10
Energy kJ
16
16
8
7
7
10
10
10
10
18
17
17
16
16
16
8
7
12
12
29
20
25
25
25
Swell 2
Height (m)
Direction
Period (s)
0.1
N
11
0.2
NNE
11
0.2
NNE
11
0.2
NNE
11
0.1
NE
8
0.1
N
13
0.1
NE
13
0.1
NE
13
0.1
NE
12
0.1
NE
12
0.2
NNE
12
0.2
NNE
12
0.2
NNE
12
0.2
NNE
11
0.2
NNE
9
0.2
NNE
8
0.1
SE
12
0.1
S
8
0.1
S
8
0.4
NE
10
Energy kJ
2
12
11
11
3
3
7
7
6
6
14
14
13
12
7
7
6
1
1
25
Swell 3
Height (m)
Direction
Period (s)
0.1
N
12
0.1
SE
12
0.1
SE
12
0.1
S
8
Energy kJ
3
6
6
1
Wind waves
Height (m)
Direction
Period (s)
2.3
E
9
2.2
E
9
2.2
E
9
2.1
E
9
2.1
E
9
2.2
E
9
2.2
E
9
2.3
ENE
9
2.3
ENE
9
2.2
E
9
2.2
E
9
2.2
E
9
2.1
E
9
2
E
9
2
E
9
2.1
E
9
2
E
9
2
E
9
2
E
9
2
E
9
1.9
ENE
8
1.9
E
8
1.9
E
8
1.9
E
8
Energy kJ
874
800
800
715
715
777
759
773
773
759
759
749
683
621
646
710
646
632
632
617
522
512
512
524
Nearest Offshore or Glassy
Rating
(10 max)
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
1
Distance (km)
2056
2056
2056
2056
2056
2056
2056
2056
2056
2061
2061
2056
1575
1575
1575
1575
2056
2056
2056
2056
2056
2056
2056
2056
Best forecast wave conditions in Saipan
Rating
(10 max)
Best forecast wave conditions in Northern Mariana Islands
Rating
(10 max)
Header Global
Rating
(10 max)
4
4
4
4
4
4
4
5
5
5
4
4
4
5
5
5
4
5
4
4
4
5
4
4
  • 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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