21 (水)	02:06	08:59	14:40	20:18
	105cm	39cm	77cm	39cm
大潮 出 05:07 入 17:21 出 04:33 入 17:03

コイセボイ（北海道）2044年09月21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
9/21 00:00	91.0	↑1.9
9/21 00:10	92.8	↑1.8
9/21 00:20	94.6	↑1.8
9/21 00:30	96.2	↑1.6
9/21 00:40	97.7	↑1.5
9/21 00:50	99.1	↑1.4
9/21 01:00	100.3	↑1.2
9/21 01:10	101.4	↑1.1
9/21 01:20	102.3	↑0.9
9/21 01:30	103.0	↑0.7
9/21 01:40	103.6	↑0.6
9/21 01:50	103.9	↑0.3
9/21 02:00	104.1	↑0.2	満潮
9/21 02:10	104.1	0
9/21 02:20	103.9	↓-0.2
9/21 02:30	103.6	↓-0.3
9/21 02:40	103.0	↓-0.6
9/21 02:50	102.3	↓-0.7
9/21 03:00	101.3	↓-1.0
9/21 03:10	100.2	↓-1.1
9/21 03:20	98.9	↓-1.3
9/21 03:30	97.5	↓-1.4
9/21 03:40	95.9	↓-1.6
9/21 03:50	94.2	↓-1.7
9/21 04:00	92.3	↓-1.9
9/21 04:10	90.3	↓-2.0
9/21 04:20	88.1	↓-2.2
9/21 04:30	85.9	↓-2.2
9/21 04:40	83.6	↓-2.3
9/21 04:50	81.2	↓-2.4
9/21 05:00	78.8	↓-2.4
9/21 05:10	76.3	↓-2.5
9/21 05:20	73.8	↓-2.5
9/21 05:30	71.2	↓-2.6	最大潮位差
9/21 05:40	68.7	↓-2.5
9/21 05:50	66.2	↓-2.5
9/21 06:00	63.7	↓-2.5
9/21 06:10	61.3	↓-2.4
9/21 06:20	58.9	↓-2.4
9/21 06:30	56.6	↓-2.3
9/21 06:40	54.3	↓-2.3
9/21 06:50	52.2	↓-2.1
9/21 07:00	50.2	↓-2.0
9/21 07:10	48.4	↓-1.8
9/21 07:20	46.6	↓-1.8
9/21 07:30	45.0	↓-1.6
9/21 07:40	43.6	↓-1.4
9/21 07:50	42.3	↓-1.3
9/21 08:00	41.2	↓-1.1
9/21 08:10	40.2	↓-1.0
9/21 08:20	39.4	↓-0.8
9/21 08:30	38.9	↓-0.5
9/21 08:40	38.4	↓-0.5
9/21 08:50	38.2	↓-0.2	干潮
9/21 09:00	38.2	0
9/21 09:10	38.3	↑0.1
9/21 09:20	38.6	↑0.3
9/21 09:30	39.0	↑0.4
9/21 09:40	39.7	↑0.7
9/21 09:50	40.4	↑0.7
9/21 10:00	41.4	↑1.0
9/21 10:10	42.4	↑1.0
9/21 10:20	43.6	↑1.2
9/21 10:30	44.9	↑1.3
9/21 10:40	46.3	↑1.4
9/21 10:50	47.8	↑1.5
9/21 11:00	49.4	↑1.6
9/21 11:10	51.0	↑1.6
9/21 11:20	52.7	↑1.7
9/21 11:30	54.4	↑1.7
9/21 11:40	56.2	↑1.8
9/21 11:50	57.9	↑1.7
9/21 12:00	59.7	↑1.8
9/21 12:10	61.4	↑1.7
9/21 12:20	63.1	↑1.7
9/21 12:30	64.7	↑1.6
9/21 12:40	66.3	↑1.6
9/21 12:50	67.8	↑1.5
9/21 13:00	69.2	↑1.4
9/21 13:10	70.5	↑1.3
9/21 13:20	71.7	↑1.2
9/21 13:30	72.8	↑1.1
9/21 13:40	73.8	↑1.0
9/21 13:50	74.6	↑0.8
9/21 14:00	75.3	↑0.7
9/21 14:10	75.8	↑0.5
9/21 14:20	76.1	↑0.3
9/21 14:30	76.4	↑0.3	満潮
9/21 14:40	76.4	0	満潮
9/21 14:50	76.3	↓-0.1
9/21 15:00	76.1	↓-0.2
9/21 15:10	75.7	↓-0.4
9/21 15:20	75.1	↓-0.6
9/21 15:30	74.4	↓-0.7
9/21 15:40	73.6	↓-0.8
9/21 15:50	72.6	↓-1.0
9/21 16:00	71.5	↓-1.1
9/21 16:10	70.3	↓-1.2
9/21 16:20	68.9	↓-1.4
9/21 16:30	67.5	↓-1.4
9/21 16:40	66.0	↓-1.5
9/21 16:50	64.4	↓-1.6
9/21 17:00	62.8	↓-1.6
9/21 17:10	61.1	↓-1.7
9/21 17:20	59.4	↓-1.7
9/21 17:30	57.6	↓-1.8
9/21 17:40	55.9	↓-1.7
9/21 17:50	54.2	↓-1.7
9/21 18:00	52.5	↓-1.7
9/21 18:10	50.8	↓-1.7
9/21 18:20	49.2	↓-1.6
9/21 18:30	47.7	↓-1.5
9/21 18:40	46.2	↓-1.5
9/21 18:50	44.9	↓-1.3
9/21 19:00	43.6	↓-1.3
9/21 19:10	42.5	↓-1.1
9/21 19:20	41.5	↓-1.0
9/21 19:30	40.7	↓-0.8
9/21 19:40	40.0	↓-0.7
9/21 19:50	39.4	↓-0.6
9/21 20:00	39.1	↓-0.3
9/21 20:10	38.9	↓-0.2	干潮
9/21 20:20	38.8	↓-0.1
9/21 20:30	39.0	↑0.2
9/21 20:40	39.3	↑0.3
9/21 20:50	39.8	↑0.5
9/21 21:00	40.5	↑0.7
9/21 21:10	41.4	↑0.9
9/21 21:20	42.4	↑1.0
9/21 21:30	43.7	↑1.3
9/21 21:40	45.0	↑1.3
9/21 21:50	46.6	↑1.6
9/21 22:00	48.3	↑1.7
9/21 22:10	50.1	↑1.8
9/21 22:20	52.0	↑1.9
9/21 22:30	54.1	↑2.1
9/21 22:40	56.3	↑2.2
9/21 22:50	58.5	↑2.2
9/21 23:00	60.9	↑2.4
9/21 23:10	63.3	↑2.4
9/21 23:20	65.7	↑2.4
9/21 23:30	68.2	↑2.5
9/21 23:40	70.7	↑2.5
9/21 23:50	73.2	↑2.5