20 (水)	04:26	11:30	18:20	23:08
	135cm	2cm	112cm	75cm
中潮 出 04:29 入 18:07 出 22:36 入 06:25 潮干狩り ◎ 09:13～13:50

根室（北海道）2022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	73.9	↑1.8
4/20 00:10	76.0	↑2.1
4/20 00:20	78.2	↑2.2
4/20 00:30	80.6	↑2.4
4/20 00:40	83.2	↑2.6
4/20 00:50	85.9	↑2.7
4/20 01:00	88.7	↑2.8
4/20 01:10	91.7	↑3.0
4/20 01:20	94.7	↑3.0
4/20 01:30	97.8	↑3.1
4/20 01:40	100.9	↑3.1
4/20 01:50	104.0	↑3.1
4/20 02:00	107.1	↑3.1
4/20 02:10	110.2	↑3.1
4/20 02:20	113.1	↑2.9
4/20 02:30	116.0	↑2.9
4/20 02:40	118.8	↑2.8
4/20 02:50	121.3	↑2.5
4/20 03:00	123.8	↑2.5
4/20 03:10	126.0	↑2.2
4/20 03:20	128.0	↑2.0
4/20 03:30	129.8	↑1.8
4/20 03:40	131.3	↑1.5
4/20 03:50	132.5	↑1.2
4/20 04:00	133.4	↑0.9
4/20 04:10	134.1	↑0.7
4/20 04:20	134.4	↑0.3	満潮
4/20 04:30	134.4	0
4/20 04:40	134.1	↓-0.3
4/20 04:50	133.5	↓-0.6
4/20 05:00	132.5	↓-1.0
4/20 05:10	131.1	↓-1.4
4/20 05:20	129.5	↓-1.6
4/20 05:30	127.5	↓-2.0
4/20 05:40	125.2	↓-2.3
4/20 05:50	122.6	↓-2.6
4/20 06:00	119.7	↓-2.9
4/20 06:10	116.4	↓-3.3
4/20 06:20	113.0	↓-3.4
4/20 06:30	109.2	↓-3.8
4/20 06:40	105.3	↓-3.9
4/20 06:50	101.1	↓-4.2
4/20 07:00	96.7	↓-4.4
4/20 07:10	92.2	↓-4.5
4/20 07:20	87.5	↓-4.7
4/20 07:30	82.7	↓-4.8
4/20 07:40	77.8	↓-4.9
4/20 07:50	72.9	↓-4.9
4/20 08:00	67.9	↓-5.0	最大潮位差
4/20 08:10	62.9	↓-5.0	最大潮位差
4/20 08:20	58.0	↓-4.9
4/20 08:30	53.1	↓-4.9
4/20 08:40	48.3	↓-4.8
4/20 08:50	43.6	↓-4.7
4/20 09:00	39.0	↓-4.6
4/20 09:10	34.6	↓-4.4
4/20 09:20	30.4	↓-4.2
4/20 09:30	26.4	↓-4.0
4/20 09:40	22.7	↓-3.7
4/20 09:50	19.2	↓-3.5
4/20 10:00	16.0	↓-3.2
4/20 10:10	13.1	↓-2.9
4/20 10:20	10.5	↓-2.6
4/20 10:30	8.2	↓-2.3
4/20 10:40	6.3	↓-1.9
4/20 10:50	4.7	↓-1.6
4/20 11:00	3.5	↓-1.2
4/20 11:10	2.6	↓-0.9
4/20 11:20	2.1	↓-0.5	干潮
4/20 11:30	2.0	↓-0.1	干潮
4/20 11:40	2.2	↑0.2
4/20 11:50	2.8	↑0.6
4/20 12:00	3.7	↑0.9
4/20 12:10	5.0	↑1.3
4/20 12:20	6.6	↑1.6
4/20 12:30	8.5	↑1.9
4/20 12:40	10.8	↑2.3
4/20 12:50	13.3	↑2.5
4/20 13:00	16.1	↑2.8
4/20 13:10	19.2	↑3.1
4/20 13:20	22.5	↑3.3
4/20 13:30	26.0	↑3.5
4/20 13:40	29.7	↑3.7
4/20 13:50	33.5	↑3.8
4/20 14:00	37.5	↑4.0
4/20 14:10	41.6	↑4.1
4/20 14:20	45.7	↑4.1
4/20 14:30	49.9	↑4.2
4/20 14:40	54.2	↑4.3
4/20 14:50	58.4	↑4.2
4/20 15:00	62.7	↑4.3
4/20 15:10	66.8	↑4.1
4/20 15:20	70.9	↑4.1
4/20 15:30	74.9	↑4.0
4/20 15:40	78.8	↑3.9
4/20 15:50	82.5	↑3.7
4/20 16:00	86.1	↑3.6
4/20 16:10	89.5	↑3.4
4/20 16:20	92.7	↑3.2
4/20 16:30	95.7	↑3.0
4/20 16:40	98.4	↑2.7
4/20 16:50	100.9	↑2.5
4/20 17:00	103.1	↑2.2
4/20 17:10	105.1	↑2.0
4/20 17:20	106.8	↑1.7
4/20 17:30	108.3	↑1.5
4/20 17:40	109.4	↑1.1
4/20 17:50	110.3	↑0.9
4/20 18:00	111.0	↑0.7
4/20 18:10	111.3	↑0.3	満潮
4/20 18:20	111.4	↑0.1	満潮
4/20 18:30	111.3	↓-0.1
4/20 18:40	110.9	↓-0.4
4/20 18:50	110.3	↓-0.6
4/20 19:00	109.4	↓-0.9
4/20 19:10	108.4	↓-1.0
4/20 19:20	107.2	↓-1.2
4/20 19:30	105.8	↓-1.4
4/20 19:40	104.3	↓-1.5
4/20 19:50	102.6	↓-1.7
4/20 20:00	100.9	↓-1.7
4/20 20:10	99.0	↓-1.9
4/20 20:20	97.1	↓-1.9
4/20 20:30	95.2	↓-1.9
4/20 20:40	93.2	↓-2.0
4/20 20:50	91.2	↓-2.0
4/20 21:00	89.3	↓-1.9
4/20 21:10	87.4	↓-1.9
4/20 21:20	85.6	↓-1.8
4/20 21:30	83.8	↓-1.8
4/20 21:40	82.2	↓-1.6
4/20 21:50	80.7	↓-1.5
4/20 22:00	79.3	↓-1.4
4/20 22:10	78.1	↓-1.2
4/20 22:20	77.0	↓-1.1
4/20 22:30	76.2	↓-0.8
4/20 22:40	75.5	↓-0.7
4/20 22:50	75.0	↓-0.5
4/20 23:00	74.8	↓-0.2	干潮
4/20 23:10	74.7	↓-0.1
4/20 23:20	74.9	↑0.2
4/20 23:30	75.3	↑0.4
4/20 23:40	75.9	↑0.6
4/20 23:50	76.8	↑0.9