20 (火)	05:55	12:02	17:59	-
	143cm	56cm	139cm	-
中潮 出 06:20 入 17:09 出 08:40 入 21:32

東静内（北海道）2018年02月20日の10分毎の潮の高低差を確認できます。
また1日の潮の高低差が1番大きい（潮の流れが大きい）時間に「最大潮位差」と明記してます。

時刻	潮位	高低差	各ポイント
2/20 00:00	40.4	↑0.5
2/20 00:10	41.2	↑0.8
2/20 00:20	42.3	↑1.1
2/20 00:30	43.8	↑1.5
2/20 00:40	45.6	↑1.8
2/20 00:50	47.7	↑2.1
2/20 01:00	50.2	↑2.5
2/20 01:10	52.8	↑2.6
2/20 01:20	55.8	↑3.0
2/20 01:30	59.0	↑3.2
2/20 01:40	62.4	↑3.4
2/20 01:50	66.1	↑3.7
2/20 02:00	69.9	↑3.8
2/20 02:10	73.9	↑4.0
2/20 02:20	78.0	↑4.1
2/20 02:30	82.3	↑4.3
2/20 02:40	86.5	↑4.2
2/20 02:50	90.9	↑4.4	最大潮位差
2/20 03:00	95.2	↑4.3
2/20 03:10	99.6	↑4.4	最大潮位差
2/20 03:20	103.8	↑4.2
2/20 03:30	108.0	↑4.2
2/20 03:40	112.1	↑4.1
2/20 03:50	116.0	↑3.9
2/20 04:00	119.7	↑3.7
2/20 04:10	123.3	↑3.6
2/20 04:20	126.5	↑3.2
2/20 04:30	129.6	↑3.1
2/20 04:40	132.3	↑2.7
2/20 04:50	134.8	↑2.5
2/20 05:00	136.9	↑2.1
2/20 05:10	138.6	↑1.7
2/20 05:20	140.1	↑1.5
2/20 05:30	141.1	↑1.0
2/20 05:40	141.8	↑0.7
2/20 05:50	142.2	↑0.4	満潮
2/20 06:00	142.1	↓-0.1
2/20 06:10	141.7	↓-0.4
2/20 06:20	141.0	↓-0.7
2/20 06:30	139.9	↓-1.1
2/20 06:40	138.4	↓-1.5
2/20 06:50	136.7	↓-1.7
2/20 07:00	134.6	↓-2.1
2/20 07:10	132.3	↓-2.3
2/20 07:20	129.7	↓-2.6
2/20 07:30	126.9	↓-2.8
2/20 07:40	123.9	↓-3.0
2/20 07:50	120.6	↓-3.3
2/20 08:00	117.3	↓-3.3
2/20 08:10	113.8	↓-3.5
2/20 08:20	110.2	↓-3.6
2/20 08:30	106.5	↓-3.7
2/20 08:40	102.8	↓-3.7
2/20 08:50	99.1	↓-3.7
2/20 09:00	95.4	↓-3.7
2/20 09:10	91.8	↓-3.6
2/20 09:20	88.2	↓-3.6
2/20 09:30	84.6	↓-3.6
2/20 09:40	81.3	↓-3.3
2/20 09:50	78.0	↓-3.3
2/20 10:00	74.9	↓-3.1
2/20 10:10	72.0	↓-2.9
2/20 10:20	69.2	↓-2.8
2/20 10:30	66.7	↓-2.5
2/20 10:40	64.4	↓-2.3
2/20 10:50	62.3	↓-2.1
2/20 11:00	60.5	↓-1.8
2/20 11:10	58.9	↓-1.6
2/20 11:20	57.6	↓-1.3
2/20 11:30	56.6	↓-1.0
2/20 11:40	55.9	↓-0.7
2/20 11:50	55.4	↓-0.5
2/20 12:00	55.2	↓-0.2	干潮
2/20 12:10	55.4	↑0.2
2/20 12:20	55.8	↑0.4
2/20 12:30	56.5	↑0.7
2/20 12:40	57.5	↑1.0
2/20 12:50	58.8	↑1.3
2/20 13:00	60.3	↑1.5
2/20 13:10	62.2	↑1.9
2/20 13:20	64.3	↑2.1
2/20 13:30	66.6	↑2.3
2/20 13:40	69.1	↑2.5
2/20 13:50	71.9	↑2.8
2/20 14:00	74.9	↑3.0
2/20 14:10	78.0	↑3.1
2/20 14:20	81.3	↑3.3
2/20 14:30	84.7	↑3.4
2/20 14:40	88.2	↑3.5
2/20 14:50	91.9	↑3.7
2/20 15:00	95.5	↑3.6
2/20 15:10	99.2	↑3.7
2/20 15:20	102.9	↑3.7
2/20 15:30	106.5	↑3.6
2/20 15:40	110.1	↑3.6
2/20 15:50	113.6	↑3.5
2/20 16:00	117.0	↑3.4
2/20 16:10	120.2	↑3.2
2/20 16:20	123.2	↑3.0
2/20 16:30	126.1	↑2.9
2/20 16:40	128.7	↑2.6
2/20 16:50	131.0	↑2.3
2/20 17:00	133.1	↑2.1
2/20 17:10	134.8	↑1.7
2/20 17:20	136.3	↑1.5
2/20 17:30	137.4	↑1.1
2/20 17:40	138.2	↑0.8
2/20 17:50	138.7	↑0.5	満潮
2/20 18:00	138.8	↑0.1
2/20 18:10	138.6	↓-0.2
2/20 18:20	138.0	↓-0.6
2/20 18:30	137.1	↓-0.9
2/20 18:40	135.9	↓-1.2
2/20 18:50	134.4	↓-1.5
2/20 19:00	132.5	↓-1.9
2/20 19:10	130.4	↓-2.1
2/20 19:20	128.0	↓-2.4
2/20 19:30	125.4	↓-2.6
2/20 19:40	122.5	↓-2.9
2/20 19:50	119.5	↓-3.0
2/20 20:00	116.3	↓-3.2
2/20 20:10	112.9	↓-3.4
2/20 20:20	109.5	↓-3.4
2/20 20:30	105.9	↓-3.6
2/20 20:40	102.3	↓-3.6
2/20 20:50	98.6	↓-3.7
2/20 21:00	95.0	↓-3.6
2/20 21:10	91.4	↓-3.6
2/20 21:20	87.8	↓-3.6
2/20 21:30	84.3	↓-3.5
2/20 21:40	80.9	↓-3.4
2/20 21:50	77.6	↓-3.3
2/20 22:00	74.4	↓-3.2
2/20 22:10	71.4	↓-3.0
2/20 22:20	68.6	↓-2.8
2/20 22:30	66.0	↓-2.6
2/20 22:40	63.6	↓-2.4
2/20 22:50	61.4	↓-2.2
2/20 23:00	59.4	↓-2.0
2/20 23:10	57.7	↓-1.7
2/20 23:20	56.2	↓-1.5
2/20 23:30	55.0	↓-1.2
2/20 23:40	54.1	↓-0.9
2/20 23:50	53.4	↓-0.7