Tank Beach surfForecast / Saipan / Northern Mariana Islands

information circle48hr Weather and Surf, issued 9 pm Thursday 23 Apr 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
27.7° 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 4AM is: 0.9m 16s primary swell from a North-northeast direction and 1.1m 11s secondary swell from a Northeast direction, 1.2m 6s secondary swell from a East direction (forecast issued at 09:00pm April 23). The wind direction is predicted to be cross-onshore.

Time (ChST) & DateWave HeightWave Period
Morning (24 Apr)3.5ft (1.1m)15s
Afternoon (24 Apr)3.5ft (1.1m)15s
Evening (24 Apr)3.5ft (1.1m)14s

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


Updates in  hr  min  s Forecast update imminent

Short Range Forecast

Some drizzle, heaviest during Sat morning. Warm (max 27°C on Thu night, min 26°C on Sat night). Mainly fresh winds.

Thu
23
Friday
24
Saturday
25
Sunday
26
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
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
<span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span><span class="translation_missing" title="translation missing: en.components.forecast-table.maps.snow_map">Snow Map</span>
Wave
Height (m)
Direction
Period (s)
1.3
NNE
11
0.7
NNE
16
0.8
NNE
16
0.9
NNE
16
1
NNE
16
1.1
NNE
15
1.1
NNE
15
1.1
NNE
15
1.1
NNE
14
1.1
NNE
14
1.1
NNE
14
1.1
NNE
14
1.1
NNE
14
1
NNE
14
1
NNE
13
0.9
NNE
13
0.9
NNE
13
0.9
NNE
13
0.9
NNE
13
0.9
NNE
13
0.8
NNE
13
1.5
ENE
7
1.6
ENE
7
1.6
ENE
7
Wave Graph
Metric surfscale
Energy kJ
403
226
284
353
457
519
498
485
478
472
472
465
452
362
342
307
246
242
242
238
186
189
214
214
Wind (km/h)
20
E
25
ENE
25
ENE
30
ENE
30
E
25
E
25
E
20
ENE
20
ENE
20
E
20
E
25
E
25
E
25
E
25
ENE
25
ENE
25
ENE
30
ENE
30
ENE
30
NE
30
ENE
30
ENE
30
ENE
30
ENE
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
cross-on
on
on
on
on
on
on
on
on
High Tide
3:10AM0.74m
11:17AM0.64m
3:51AM0.73m
12:54PM0.61m
4:22AM0.73m
2:38PM0.59m
Low Tide
6:40PM0.07m
8:31AM0.62m
7:41PM0.13m
9:37AM0.57m
8:40PM0.19m
10:28AM0.50m
clear
clear
clear
part cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
<span class="translation_missing" title="translation missing: en.weather_tables.sunrise">Sunrise</span>
5:56
5:56
5:56
<span class="translation_missing" title="translation missing: en.weather_tables.sunset">Sunset</span>
6:31
6:32
6:32
1
Temp °C
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
26
27
27
27
28
27
27
26
26
26
26
27
28
28
27
27
26
26
25
26
26
26
25
25
23
25
25
25
Swell 1
Height (m)
Direction
Period (s)
1.3
NNE
11
1
NNE
10
0.9
NNE
10
1.1
NE
11
1
NE
10
1.1
NNE
15
1.1
NNE
15
1.1
NNE
15
1.1
NNE
14
1.1
NNE
14
1.1
NNE
14
1.1
NNE
14
1.1
NNE
14
1
NNE
14
1
NNE
13
0.9
NNE
13
0.9
NNE
13
0.9
NNE
13
0.9
NNE
13
0.9
NNE
13
0.8
NNE
13
0.8
NNE
12
0.6
NNE
12
0.6
NNE
12
Energy kJ
403
200
168
268
204
519
498
485
478
472
472
465
452
362
342
307
246
242
242
238
186
169
109
111
Swell 2
Height (m)
Direction
Period (s)
0.5
NNE
16
0.7
NE
11
0.8
NNE
16
0.9
NNE
16
1
NNE
16
1
NE
10
0.9
NE
10
0.9
NE
10
1
NE
10
1
NE
10
0.9
NE
9
0.9
NE
9
0.8
NE
9
0.8
NE
9
0.7
NE
9
0.6
NE
8
0.6
NE
8
0.6
NE
8
0.2
NNW
8
0.7
ESE
7
0.7
ESE
7
0.2
NNE
16
0.4
NNE
15
0.3
NNE
15
Energy kJ
149
123
284
353
457
212
163
170
184
177
135
135
97
101
79
42
43
43
6
48
47
26
87
43
Swell 3
Height (m)
Direction
Period (s)
0.1
SE
11
0.7
NNE
16
0.7
NE
11
0.1
SE
11
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
13
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
SE
12
0.1
NW
8
0.2
NNW
8
0.2
NNW
8
0.2
NNW
8
0.1
SE
12
0.2
NNW
8
0.2
NNW
7
0.2
NNW
7
0.1
NW
7
0.3
NE
9
Energy kJ
5
226
123
5
7
7
7
7
6
6
6
6
6
6
3
7
6
6
6
6
5
5
2
14
Wind waves
Height (m)
Direction
Period (s)
1.1
E
6
1.1
E
6
1.1
E
6
1.2
E
6
1.3
E
6
1.3
E
6
1.3
E
6
1.2
E
6
1
E
6
1
E
6
0.9
ESE
6
0.9
ESE
6
1
E
6
1.1
E
7
1.2
E
6
1.3
E
7
1.2
E
7
1.2
ENE
7
1.4
ENE
7
1.1
NE
6
1.2
NE
7
1.5
ENE
7
1.6
ENE
7
1.6
ENE
7
Energy kJ
83
88
88
102
120
124
124
106
81
81
68
68
81
107
120
148
126
131
168
104
156
189
214
214
Nearest Offshore or Glassy
Rating
(10 max)
2
2
2
2
2
2
2
2
2
3
2
2
2
2
2
2
1
1
1
1
2
2
1
2
Distance (km)
1575
1504
1504
1504
1504
1504
1504
1491
1504
1504
1504
1504
1504
1504
1504
1504
1504
1504
1504
1504
1575
1575
1575
1575
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)
5
5
5
5
5
5
5
5
5
5
5
5
5
4
5
4
4
4
4
4
4
5
6
7
  • 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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