9 (金)	02:14	07:43	13:02	19:50
	112cm	75cm	110cm	29cm
中潮 出 04:47 入 17:54 出 03:57 入 14:51

根室（北海道）2021年04月9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
4/9 00:00	94.4	↑2.4
4/9 00:10	96.8	↑2.4
4/9 00:20	99.0	↑2.2
4/9 00:30	101.0	↑2.0
4/9 00:40	102.9	↑1.9
4/9 00:50	104.6	↑1.7
4/9 01:00	106.1	↑1.5
4/9 01:10	107.4	↑1.3
4/9 01:20	108.5	↑1.1
4/9 01:30	109.5	↑1.0
4/9 01:40	110.2	↑0.7
4/9 01:50	110.8	↑0.6
4/9 02:00	111.1	↑0.3
4/9 02:10	111.3	↑0.2	満潮
4/9 02:20	111.3	0
4/9 02:30	111.1	↓-0.2
4/9 02:40	110.7	↓-0.4
4/9 02:50	110.1	↓-0.6
4/9 03:00	109.3	↓-0.8
4/9 03:10	108.5	↓-0.8
4/9 03:20	107.4	↓-1.1
4/9 03:30	106.2	↓-1.2
4/9 03:40	104.9	↓-1.3
4/9 03:50	103.5	↓-1.4
4/9 04:00	102.0	↓-1.5
4/9 04:10	100.5	↓-1.5
4/9 04:20	98.8	↓-1.7
4/9 04:30	97.1	↓-1.7
4/9 04:40	95.4	↓-1.7
4/9 04:50	93.6	↓-1.8
4/9 05:00	91.9	↓-1.7
4/9 05:10	90.1	↓-1.8
4/9 05:20	88.4	↓-1.7
4/9 05:30	86.7	↓-1.7
4/9 05:40	85.1	↓-1.6
4/9 05:50	83.5	↓-1.6
4/9 06:00	82.1	↓-1.4
4/9 06:10	80.7	↓-1.4
4/9 06:20	79.4	↓-1.3
4/9 06:30	78.3	↓-1.1
4/9 06:40	77.2	↓-1.1
4/9 06:50	76.4	↓-0.8
4/9 07:00	75.6	↓-0.8
4/9 07:10	75.0	↓-0.6
4/9 07:20	74.6	↓-0.4
4/9 07:30	74.3	↓-0.3
4/9 07:40	74.2	↓-0.1	干潮
4/9 07:50	74.3	↑0.1
4/9 08:00	74.5	↑0.2
4/9 08:10	74.8	↑0.3
4/9 08:20	75.4	↑0.6
4/9 08:30	76.0	↑0.6
4/9 08:40	76.9	↑0.9
4/9 08:50	77.8	↑0.9
4/9 09:00	78.9	↑1.1
4/9 09:10	80.1	↑1.2
4/9 09:20	81.5	↑1.4
4/9 09:30	82.9	↑1.4
4/9 09:40	84.4	↑1.5
4/9 09:50	86.0	↑1.6
4/9 10:00	87.6	↑1.6
4/9 10:10	89.3	↑1.7
4/9 10:20	91.0	↑1.7
4/9 10:30	92.7	↑1.7
4/9 10:40	94.5	↑1.8
4/9 10:50	96.2	↑1.7
4/9 11:00	97.8	↑1.6
4/9 11:10	99.4	↑1.6
4/9 11:20	101.0	↑1.6
4/9 11:30	102.5	↑1.5
4/9 11:40	103.8	↑1.3
4/9 11:50	105.1	↑1.3
4/9 12:00	106.2	↑1.1
4/9 12:10	107.2	↑1.0
4/9 12:20	108.0	↑0.8
4/9 12:30	108.6	↑0.6
4/9 12:40	109.1	↑0.5
4/9 12:50	109.4	↑0.3
4/9 13:00	109.5	↑0.1	満潮
4/9 13:10	109.5	0
4/9 13:20	109.2	↓-0.3
4/9 13:30	108.7	↓-0.5
4/9 13:40	108.0	↓-0.7
4/9 13:50	107.0	↓-1.0
4/9 14:00	105.9	↓-1.1
4/9 14:10	104.6	↓-1.3
4/9 14:20	103.1	↓-1.5
4/9 14:30	101.3	↓-1.8
4/9 14:40	99.4	↓-1.9
4/9 14:50	97.3	↓-2.1
4/9 15:00	95.1	↓-2.2
4/9 15:10	92.7	↓-2.4
4/9 15:20	90.1	↓-2.6
4/9 15:30	87.4	↓-2.7
4/9 15:40	84.6	↓-2.8
4/9 15:50	81.7	↓-2.9
4/9 16:00	78.7	↓-3.0
4/9 16:10	75.6	↓-3.1
4/9 16:20	72.5	↓-3.1
4/9 16:30	69.3	↓-3.2
4/9 16:40	66.2	↓-3.1
4/9 16:50	63.0	↓-3.2
4/9 17:00	59.9	↓-3.1
4/9 17:10	56.9	↓-3.0
4/9 17:20	53.9	↓-3.0
4/9 17:30	50.9	↓-3.0
4/9 17:40	48.1	↓-2.8
4/9 17:50	45.4	↓-2.7
4/9 18:00	42.9	↓-2.5
4/9 18:10	40.5	↓-2.4
4/9 18:20	38.3	↓-2.2
4/9 18:30	36.3	↓-2.0
4/9 18:40	34.5	↓-1.8
4/9 18:50	32.9	↓-1.6
4/9 19:00	31.6	↓-1.3
4/9 19:10	30.4	↓-1.2
4/9 19:20	29.5	↓-0.9
4/9 19:30	28.9	↓-0.6
4/9 19:40	28.6	↓-0.3	干潮
4/9 19:50	28.5	↓-0.1	干潮
4/9 20:00	28.6	↑0.1
4/9 20:10	29.0	↑0.4
4/9 20:20	29.7	↑0.7
4/9 20:30	30.7	↑1.0
4/9 20:40	31.9	↑1.2
4/9 20:50	33.3	↑1.4
4/9 21:00	35.0	↑1.7
4/9 21:10	36.9	↑1.9
4/9 21:20	39.0	↑2.1
4/9 21:30	41.4	↑2.4
4/9 21:40	43.9	↑2.5
4/9 21:50	46.6	↑2.7
4/9 22:00	49.5	↑2.9
4/9 22:10	52.4	↑2.9
4/9 22:20	55.6	↑3.2
4/9 22:30	58.8	↑3.2
4/9 22:40	62.1	↑3.3
4/9 22:50	65.4	↑3.3
4/9 23:00	68.8	↑3.4
4/9 23:10	72.3	↑3.5	最大潮位差
4/9 23:20	75.7	↑3.4
4/9 23:30	79.1	↑3.4
4/9 23:40	82.4	↑3.3
4/9 23:50	85.7	↑3.3