20 (火)	05:09	10:59	17:07	23:29
	141cm	49cm	159cm	41cm
中潮 出 06:21 入 17:09 出 07:33 入 20:24

東静内（北海道）2007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	32.8	↑2.4
2/20 00:10	35.5	↑2.7
2/20 00:20	38.5	↑3.0
2/20 00:30	41.8	↑3.3
2/20 00:40	45.5	↑3.7
2/20 00:50	49.4	↑3.9
2/20 01:00	53.6	↑4.2
2/20 01:10	57.9	↑4.3
2/20 01:20	62.5	↑4.6
2/20 01:30	67.2	↑4.7
2/20 01:40	72.0	↑4.8
2/20 01:50	76.9	↑4.9
2/20 02:00	81.8	↑4.9
2/20 02:10	86.8	↑5.0	最大潮位差
2/20 02:20	91.7	↑4.9
2/20 02:30	96.5	↑4.8
2/20 02:40	101.2	↑4.7
2/20 02:50	105.8	↑4.6
2/20 03:00	110.2	↑4.4
2/20 03:10	114.5	↑4.3
2/20 03:20	118.4	↑3.9
2/20 03:30	122.2	↑3.8
2/20 03:40	125.6	↑3.4
2/20 03:50	128.7	↑3.1
2/20 04:00	131.5	↑2.8
2/20 04:10	133.9	↑2.4
2/20 04:20	136.0	↑2.1
2/20 04:30	137.7	↑1.7
2/20 04:40	139.0	↑1.3
2/20 04:50	139.9	↑0.9
2/20 05:00	140.4	↑0.5	満潮
2/20 05:10	140.5	↑0.1
2/20 05:20	140.3	↓-0.2
2/20 05:30	139.6	↓-0.7
2/20 05:40	138.5	↓-1.1
2/20 05:50	137.1	↓-1.4
2/20 06:00	135.4	↓-1.7
2/20 06:10	133.3	↓-2.1
2/20 06:20	130.8	↓-2.5
2/20 06:30	128.1	↓-2.7
2/20 06:40	125.2	↓-2.9
2/20 06:50	122.0	↓-3.2
2/20 07:00	118.5	↓-3.5
2/20 07:10	114.9	↓-3.6
2/20 07:20	111.1	↓-3.8
2/20 07:30	107.3	↓-3.8
2/20 07:40	103.3	↓-4.0
2/20 07:50	99.2	↓-4.1
2/20 08:00	95.1	↓-4.1
2/20 08:10	91.1	↓-4.0
2/20 08:20	87.0	↓-4.1
2/20 08:30	83.0	↓-4.0
2/20 08:40	79.2	↓-3.8
2/20 08:50	75.4	↓-3.8
2/20 09:00	71.8	↓-3.6
2/20 09:10	68.4	↓-3.4
2/20 09:20	65.2	↓-3.2
2/20 09:30	62.2	↓-3.0
2/20 09:40	59.4	↓-2.8
2/20 09:50	57.0	↓-2.4
2/20 10:00	54.8	↓-2.2
2/20 10:10	53.0	↓-1.8
2/20 10:20	51.4	↓-1.6
2/20 10:30	50.2	↓-1.2
2/20 10:40	49.4	↓-0.8
2/20 10:50	48.9	↓-0.5	干潮
2/20 11:00	48.8	↓-0.1
2/20 11:10	49.1	↑0.3
2/20 11:20	49.7	↑0.6
2/20 11:30	50.7	↑1.0
2/20 11:40	52.1	↑1.4
2/20 11:50	53.8	↑1.7
2/20 12:00	55.9	↑2.1
2/20 12:10	58.3	↑2.4
2/20 12:20	61.0	↑2.7
2/20 12:30	64.0	↑3.0
2/20 12:40	67.4	↑3.4
2/20 12:50	70.9	↑3.5
2/20 13:00	74.8	↑3.9
2/20 13:10	78.8	↑4.0
2/20 13:20	83.0	↑4.2
2/20 13:30	87.4	↑4.4
2/20 13:40	91.9	↑4.5
2/20 13:50	96.5	↑4.6
2/20 14:00	101.2	↑4.7
2/20 14:10	105.9	↑4.7
2/20 14:20	110.6	↑4.7
2/20 14:30	115.2	↑4.6
2/20 14:40	119.8	↑4.6
2/20 14:50	124.2	↑4.4
2/20 15:00	128.5	↑4.3
2/20 15:10	132.6	↑4.1
2/20 15:20	136.5	↑3.9
2/20 15:30	140.1	↑3.6
2/20 15:40	143.5	↑3.4
2/20 15:50	146.6	↑3.1
2/20 16:00	149.3	↑2.7
2/20 16:10	151.7	↑2.4
2/20 16:20	153.8	↑2.1
2/20 16:30	155.4	↑1.6
2/20 16:40	156.7	↑1.3
2/20 16:50	157.5	↑0.8
2/20 17:00	158.0	↑0.5	満潮
2/20 17:10	158.0	0
2/20 17:20	157.6	↓-0.4
2/20 17:30	156.8	↓-0.8
2/20 17:40	155.6	↓-1.2
2/20 17:50	154.1	↓-1.5
2/20 18:00	152.1	↓-2.0
2/20 18:10	149.7	↓-2.4
2/20 18:20	147.1	↓-2.6
2/20 18:30	144.0	↓-3.1
2/20 18:40	140.7	↓-3.3
2/20 18:50	137.1	↓-3.6
2/20 19:00	133.2	↓-3.9
2/20 19:10	129.2	↓-4.0
2/20 19:20	124.9	↓-4.3
2/20 19:30	120.4	↓-4.5
2/20 19:40	115.8	↓-4.6
2/20 19:50	111.1	↓-4.7
2/20 20:00	106.4	↓-4.7
2/20 20:10	101.6	↓-4.8
2/20 20:20	96.8	↓-4.8
2/20 20:30	92.0	↓-4.8
2/20 20:40	87.3	↓-4.7
2/20 20:50	82.6	↓-4.7
2/20 21:00	78.1	↓-4.5
2/20 21:10	73.7	↓-4.4
2/20 21:20	69.5	↓-4.2
2/20 21:30	65.5	↓-4.0
2/20 21:40	61.7	↓-3.8
2/20 21:50	58.2	↓-3.5
2/20 22:00	55.0	↓-3.2
2/20 22:10	52.0	↓-3.0
2/20 22:20	49.4	↓-2.6
2/20 22:30	47.0	↓-2.4
2/20 22:40	45.1	↓-1.9
2/20 22:50	43.4	↓-1.7
2/20 23:00	42.2	↓-1.2
2/20 23:10	41.3	↓-0.9
2/20 23:20	40.8	↓-0.5	干潮
2/20 23:30	40.6	↓-0.2
2/20 23:40	40.9	↑0.3
2/20 23:50	41.5	↑0.6