20 (金)	04:56	12:06	18:56	23:43
	149cm	9cm	125cm	92cm
中潮 出 04:43 入 18:18 出 07:48 入 22:50 潮干狩り ◎ 09:52～14:20

東静内（北海道）2018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	84.2	↑0.9
4/20 00:10	85.4	↑1.2
4/20 00:20	86.8	↑1.4
4/20 00:30	88.4	↑1.6
4/20 00:40	90.2	↑1.8
4/20 00:50	92.3	↑2.1
4/20 01:00	94.5	↑2.2
4/20 01:10	96.9	↑2.4
4/20 01:20	99.5	↑2.6
4/20 01:30	102.2	↑2.7
4/20 01:40	105.0	↑2.8
4/20 01:50	107.9	↑2.9
4/20 02:00	110.9	↑3.0
4/20 02:10	114.0	↑3.1
4/20 02:20	117.1	↑3.1
4/20 02:30	120.2	↑3.1
4/20 02:40	123.3	↑3.1
4/20 02:50	126.3	↑3.0
4/20 03:00	129.2	↑2.9
4/20 03:10	132.1	↑2.9
4/20 03:20	134.8	↑2.7
4/20 03:30	137.3	↑2.5
4/20 03:40	139.7	↑2.4
4/20 03:50	141.8	↑2.1
4/20 04:00	143.7	↑1.9
4/20 04:10	145.3	↑1.6
4/20 04:20	146.6	↑1.3
4/20 04:30	147.7	↑1.1
4/20 04:40	148.4	↑0.7
4/20 04:50	148.7	↑0.3	満潮
4/20 05:00	148.7	0
4/20 05:10	148.4	↓-0.3
4/20 05:20	147.6	↓-0.8
4/20 05:30	146.5	↓-1.1
4/20 05:40	145.1	↓-1.4
4/20 05:50	143.2	↓-1.9
4/20 06:00	141.0	↓-2.2
4/20 06:10	138.5	↓-2.5
4/20 06:20	135.6	↓-2.9
4/20 06:30	132.3	↓-3.3
4/20 06:40	128.8	↓-3.5
4/20 06:50	125.0	↓-3.8
4/20 07:00	120.9	↓-4.1
4/20 07:10	116.6	↓-4.3
4/20 07:20	112.1	↓-4.5
4/20 07:30	107.3	↓-4.8
4/20 07:40	102.5	↓-4.8
4/20 07:50	97.4	↓-5.1
4/20 08:00	92.3	↓-5.1
4/20 08:10	87.2	↓-5.1
4/20 08:20	81.9	↓-5.3	最大潮位差
4/20 08:30	76.7	↓-5.2
4/20 08:40	71.5	↓-5.2
4/20 08:50	66.4	↓-5.1
4/20 09:00	61.3	↓-5.1
4/20 09:10	56.3	↓-5.0
4/20 09:20	51.5	↓-4.8
4/20 09:30	46.9	↓-4.6
4/20 09:40	42.4	↓-4.5
4/20 09:50	38.1	↓-4.3
4/20 10:00	34.0	↓-4.1
4/20 10:10	30.2	↓-3.8
4/20 10:20	26.6	↓-3.6
4/20 10:30	23.4	↓-3.2
4/20 10:40	20.4	↓-3.0
4/20 10:50	17.7	↓-2.7
4/20 11:00	15.3	↓-2.4
4/20 11:10	13.3	↓-2.0
4/20 11:20	11.5	↓-1.8
4/20 11:30	10.2	↓-1.3
4/20 11:40	9.1	↓-1.1
4/20 11:50	8.5	↓-0.6
4/20 12:00	8.1	↓-0.4	干潮
4/20 12:10	8.1	0
4/20 12:20	8.5	↑0.4
4/20 12:30	9.2	↑0.7
4/20 12:40	10.3	↑1.1
4/20 12:50	11.7	↑1.4
4/20 13:00	13.4	↑1.7
4/20 13:10	15.4	↑2.0
4/20 13:20	17.8	↑2.4
4/20 13:30	20.5	↑2.7
4/20 13:40	23.4	↑2.9
4/20 13:50	26.6	↑3.2
4/20 14:00	30.0	↑3.4
4/20 14:10	33.7	↑3.7
4/20 14:20	37.6	↑3.9
4/20 14:30	41.7	↑4.1
4/20 14:40	45.9	↑4.2
4/20 14:50	50.2	↑4.3
4/20 15:00	54.7	↑4.5
4/20 15:10	59.2	↑4.5
4/20 15:20	63.8	↑4.6
4/20 15:30	68.3	↑4.5
4/20 15:40	72.9	↑4.6
4/20 15:50	77.4	↑4.5
4/20 16:00	81.9	↑4.5
4/20 16:10	86.2	↑4.3
4/20 16:20	90.4	↑4.2
4/20 16:30	94.5	↑4.1
4/20 16:40	98.3	↑3.8
4/20 16:50	102.0	↑3.7
4/20 17:00	105.4	↑3.4
4/20 17:10	108.6	↑3.2
4/20 17:20	111.5	↑2.9
4/20 17:30	114.1	↑2.6
4/20 17:40	116.5	↑2.4
4/20 17:50	118.6	↑2.1
4/20 18:00	120.3	↑1.7
4/20 18:10	121.8	↑1.5
4/20 18:20	122.9	↑1.1
4/20 18:30	123.8	↑0.9
4/20 18:40	124.3	↑0.5
4/20 18:50	124.6	↑0.3	満潮
4/20 19:00	124.6	0
4/20 19:10	124.4	↓-0.2
4/20 19:20	123.9	↓-0.5
4/20 19:30	123.1	↓-0.8
4/20 19:40	122.2	↓-0.9
4/20 19:50	121.1	↓-1.1
4/20 20:00	119.8	↓-1.3
4/20 20:10	118.4	↓-1.4
4/20 20:20	116.9	↓-1.5
4/20 20:30	115.2	↓-1.7
4/20 20:40	113.5	↓-1.7
4/20 20:50	111.8	↓-1.7
4/20 21:00	110.0	↓-1.8
4/20 21:10	108.2	↓-1.8
4/20 21:20	106.4	↓-1.8
4/20 21:30	104.7	↓-1.7
4/20 21:40	103.0	↓-1.7
4/20 21:50	101.4	↓-1.6
4/20 22:00	99.8	↓-1.6
4/20 22:10	98.4	↓-1.4
4/20 22:20	97.0	↓-1.4
4/20 22:30	95.8	↓-1.2
4/20 22:40	94.7	↓-1.1
4/20 22:50	93.8	↓-0.9
4/20 23:00	93.0	↓-0.8
4/20 23:10	92.4	↓-0.6
4/20 23:20	91.9	↓-0.5
4/20 23:30	91.6	↓-0.3
4/20 23:40	91.5	↓-0.1	干潮
4/20 23:50	91.5	0