20 (金)	03:53	11:06	18:03	22:44
	159cm	-11cm	133cm	93cm
中潮 出 04:43 入 18:17 出 06:00 入 22:11 潮干狩り ◎ 08:31～13:44

東静内（北海道）2007年04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
4/20 00:00	98.0	↑2.6
4/20 00:10	100.8	↑2.8
4/20 00:20	103.8	↑3.0
4/20 00:30	106.9	↑3.1
4/20 00:40	110.2	↑3.3
4/20 00:50	113.6	↑3.4
4/20 01:00	117.1	↑3.5
4/20 01:10	120.6	↑3.5
4/20 01:20	124.1	↑3.5
4/20 01:30	127.7	↑3.6
4/20 01:40	131.2	↑3.5
4/20 01:50	134.6	↑3.4
4/20 02:00	137.9	↑3.3
4/20 02:10	141.0	↑3.1
4/20 02:20	144.0	↑3.0
4/20 02:30	146.8	↑2.8
4/20 02:40	149.4	↑2.6
4/20 02:50	151.7	↑2.3
4/20 03:00	153.7	↑2.0
4/20 03:10	155.4	↑1.7
4/20 03:20	156.8	↑1.4
4/20 03:30	157.8	↑1.0
4/20 03:40	158.5	↑0.7
4/20 03:50	158.8	↑0.3	満潮
4/20 04:00	158.6	↓-0.2
4/20 04:10	158.1	↓-0.5
4/20 04:20	157.2	↓-0.9
4/20 04:30	155.8	↓-1.4
4/20 04:40	154.0	↓-1.8
4/20 04:50	151.8	↓-2.2
4/20 05:00	149.2	↓-2.6
4/20 05:10	146.2	↓-3.0
4/20 05:20	142.9	↓-3.3
4/20 05:30	139.1	↓-3.8
4/20 05:40	135.0	↓-4.1
4/20 05:50	130.6	↓-4.4
4/20 06:00	125.8	↓-4.8
4/20 06:10	120.8	↓-5.0
4/20 06:20	115.4	↓-5.4
4/20 06:30	109.9	↓-5.5
4/20 06:40	104.2	↓-5.7
4/20 06:50	98.3	↓-5.9
4/20 07:00	92.2	↓-6.1
4/20 07:10	86.1	↓-6.1
4/20 07:20	79.9	↓-6.2
4/20 07:30	73.6	↓-6.3	最大潮位差
4/20 07:40	67.4	↓-6.2
4/20 07:50	61.2	↓-6.2
4/20 08:00	55.0	↓-6.2
4/20 08:10	49.0	↓-6.0
4/20 08:20	43.1	↓-5.9
4/20 08:30	37.3	↓-5.8
4/20 08:40	31.8	↓-5.5
4/20 08:50	26.5	↓-5.3
4/20 09:00	21.4	↓-5.1
4/20 09:10	16.7	↓-4.7
4/20 09:20	12.2	↓-4.5
4/20 09:30	8.1	↓-4.1
4/20 09:40	4.3	↓-3.8
4/20 09:50	0.9	↓-3.4
4/20 10:00	-2.1	↓-3.0
4/20 10:10	-4.8	↓-2.7
4/20 10:20	-6.9	↓-2.1
4/20 10:30	-8.7	↓-1.8
4/20 10:40	-10.0	↓-1.3
4/20 10:50	-10.9	↓-0.9
4/20 11:00	-11.4	↓-0.5	干潮
4/20 11:10	-11.4	0
4/20 11:20	-10.9	↑0.5
4/20 11:30	-10.0	↑0.9
4/20 11:40	-8.7	↑1.3
4/20 11:50	-6.9	↑1.8
4/20 12:00	-4.8	↑2.1
4/20 12:10	-2.2	↑2.6
4/20 12:20	0.7	↑2.9
4/20 12:30	4.1	↑3.4
4/20 12:40	7.7	↑3.6
4/20 12:50	11.7	↑4.0
4/20 13:00	15.9	↑4.2
4/20 13:10	20.5	↑4.6
4/20 13:20	25.2	↑4.7
4/20 13:30	30.2	↑5.0
4/20 13:40	35.4	↑5.2
4/20 13:50	40.7	↑5.3
4/20 14:00	46.1	↑5.4
4/20 14:10	51.6	↑5.5
4/20 14:20	57.1	↑5.5
4/20 14:30	62.6	↑5.5
4/20 14:40	68.1	↑5.5
4/20 14:50	73.5	↑5.4
4/20 15:00	78.9	↑5.4
4/20 15:10	84.1	↑5.2
4/20 15:20	89.1	↑5.0
4/20 15:30	94.0	↑4.9
4/20 15:40	98.7	↑4.7
4/20 15:50	103.1	↑4.4
4/20 16:00	107.2	↑4.1
4/20 16:10	111.1	↑3.9
4/20 16:20	114.7	↑3.6
4/20 16:30	117.9	↑3.2
4/20 16:40	120.9	↑3.0
4/20 16:50	123.4	↑2.5
4/20 17:00	125.7	↑2.3
4/20 17:10	127.6	↑1.9
4/20 17:20	129.2	↑1.6
4/20 17:30	130.4	↑1.2
4/20 17:40	131.2	↑0.8
4/20 17:50	131.8	↑0.6
4/20 18:00	132.0	↑0.2	満潮
4/20 18:10	131.9	↓-0.1
4/20 18:20	131.6	↓-0.3
4/20 18:30	130.9	↓-0.7
4/20 18:40	130.0	↓-0.9
4/20 18:50	128.9	↓-1.1
4/20 19:00	127.5	↓-1.4
4/20 19:10	126.0	↓-1.5
4/20 19:20	124.3	↓-1.7
4/20 19:30	122.4	↓-1.9
4/20 19:40	120.5	↓-1.9
4/20 19:50	118.4	↓-2.1
4/20 20:00	116.3	↓-2.1
4/20 20:10	114.2	↓-2.1
4/20 20:20	112.0	↓-2.2
4/20 20:30	109.9	↓-2.1
4/20 20:40	107.8	↓-2.1
4/20 20:50	105.7	↓-2.1
4/20 21:00	103.8	↓-1.9
4/20 21:10	101.9	↓-1.9
4/20 21:20	100.2	↓-1.7
4/20 21:30	98.6	↓-1.6
4/20 21:40	97.2	↓-1.4
4/20 21:50	95.9	↓-1.3
4/20 22:00	94.8	↓-1.1
4/20 22:10	94.0	↓-0.8
4/20 22:20	93.3	↓-0.7
4/20 22:30	92.9	↓-0.4
4/20 22:40	92.7	↓-0.2	干潮
4/20 22:50	92.7	0
4/20 23:00	93.0	↑0.3
4/20 23:10	93.6	↑0.6
4/20 23:20	94.3	↑0.7
4/20 23:30	95.3	↑1.0
4/20 23:40	96.6	↑1.3
4/20 23:50	98.1	↑1.5