20 (土)	06:31	00:19	17:26	10:23
	66cm	25cm	114cm	55cm
小潮 出 05:06 入 17:24 出 10:51 入 19:41

コイセボイ（北海道）2042年09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
9/20 00:00	24.8	↓-0.5
9/20 00:10	24.6	↓-0.2	干潮
9/20 00:20	24.5	↓-0.1
9/20 00:30	24.6	↑0.1
9/20 00:40	24.9	↑0.3
9/20 00:50	25.4	↑0.5
9/20 01:00	26.0	↑0.6
9/20 01:10	26.8	↑0.8
9/20 01:20	27.8	↑1.0
9/20 01:30	28.8	↑1.0
9/20 01:40	30.0	↑1.2
9/20 01:50	31.4	↑1.4
9/20 02:00	32.8	↑1.4
9/20 02:10	34.3	↑1.5
9/20 02:20	35.8	↑1.5
9/20 02:30	37.5	↑1.7
9/20 02:40	39.2	↑1.7
9/20 02:50	40.9	↑1.7
9/20 03:00	42.7	↑1.8
9/20 03:10	44.4	↑1.7
9/20 03:20	46.2	↑1.8
9/20 03:30	47.9	↑1.7
9/20 03:40	49.6	↑1.7
9/20 03:50	51.3	↑1.7
9/20 04:00	52.9	↑1.6
9/20 04:10	54.4	↑1.5
9/20 04:20	55.9	↑1.5
9/20 04:30	57.3	↑1.4
9/20 04:40	58.6	↑1.3
9/20 04:50	59.8	↑1.2
9/20 05:00	60.9	↑1.1
9/20 05:10	61.9	↑1.0
9/20 05:20	62.8	↑0.9
9/20 05:30	63.5	↑0.7
9/20 05:40	64.2	↑0.7
9/20 05:50	64.7	↑0.5
9/20 06:00	65.1	↑0.4
9/20 06:10	65.4	↑0.3
9/20 06:20	65.5	↑0.1
9/20 06:30	65.6	↑0.1	満潮
9/20 06:40	65.6	0
9/20 06:50	65.4	↓-0.2
9/20 07:00	65.2	↓-0.2
9/20 07:10	64.8	↓-0.4
9/20 07:20	64.4	↓-0.4
9/20 07:30	63.9	↓-0.5
9/20 07:40	63.4	↓-0.5
9/20 07:50	62.8	↓-0.6
9/20 08:00	62.1	↓-0.7
9/20 08:10	61.5	↓-0.6
9/20 08:20	60.8	↓-0.7
9/20 08:30	60.1	↓-0.7
9/20 08:40	59.4	↓-0.7
9/20 08:50	58.7	↓-0.7
9/20 09:00	58.0	↓-0.7
9/20 09:10	57.4	↓-0.6
9/20 09:20	56.8	↓-0.6
9/20 09:30	56.3	↓-0.5
9/20 09:40	55.8	↓-0.5
9/20 09:50	55.5	↓-0.3
9/20 10:00	55.2	↓-0.3
9/20 10:10	55.0	↓-0.2
9/20 10:20	54.9	↓-0.1	干潮
9/20 10:30	55.0	↑0.1
9/20 10:40	55.1	↑0.1
9/20 10:50	55.4	↑0.3
9/20 11:00	55.8	↑0.4
9/20 11:10	56.3	↑0.5
9/20 11:20	57.0	↑0.7
9/20 11:30	57.8	↑0.8
9/20 11:40	58.7	↑0.9
9/20 11:50	59.8	↑1.1
9/20 12:00	61.0	↑1.2
9/20 12:10	62.3	↑1.3
9/20 12:20	63.8	↑1.5
9/20 12:30	65.3	↑1.5
9/20 12:40	67.0	↑1.7
9/20 12:50	68.8	↑1.8
9/20 13:00	70.6	↑1.8
9/20 13:10	72.6	↑2.0
9/20 13:20	74.6	↑2.0
9/20 13:30	76.7	↑2.1
9/20 13:40	78.9	↑2.2
9/20 13:50	81.1	↑2.2
9/20 14:00	83.3	↑2.2
9/20 14:10	85.5	↑2.2
9/20 14:20	87.8	↑2.3
9/20 14:30	90.0	↑2.2
9/20 14:40	92.2	↑2.2
9/20 14:50	94.4	↑2.2
9/20 15:00	96.5	↑2.1
9/20 15:10	98.6	↑2.1
9/20 15:20	100.5	↑1.9
9/20 15:30	102.4	↑1.9
9/20 15:40	104.2	↑1.8
9/20 15:50	105.9	↑1.7
9/20 16:00	107.4	↑1.5
9/20 16:10	108.8	↑1.4
9/20 16:20	110.0	↑1.2
9/20 16:30	111.1	↑1.1
9/20 16:40	112.1	↑1.0
9/20 16:50	112.8	↑0.7
9/20 17:00	113.4	↑0.6
9/20 17:10	113.8	↑0.4
9/20 17:20	114.0	↑0.2	満潮
9/20 17:30	114.0	0
9/20 17:40	113.8	↓-0.2
9/20 17:50	113.4	↓-0.4
9/20 18:00	112.8	↓-0.6
9/20 18:10	112.0	↓-0.8
9/20 18:20	111.0	↓-1.0
9/20 18:30	109.9	↓-1.1
9/20 18:40	108.5	↓-1.4
9/20 18:50	107.0	↓-1.5
9/20 19:00	105.3	↓-1.7
9/20 19:10	103.4	↓-1.9
9/20 19:20	101.4	↓-2.0
9/20 19:30	99.3	↓-2.1
9/20 19:40	97.0	↓-2.3
9/20 19:50	94.5	↓-2.5
9/20 20:00	92.0	↓-2.5
9/20 20:10	89.4	↓-2.6
9/20 20:20	86.7	↓-2.7
9/20 20:30	83.9	↓-2.8
9/20 20:40	81.0	↓-2.9
9/20 20:50	78.1	↓-2.9
9/20 21:00	75.2	↓-2.9
9/20 21:10	72.3	↓-2.9
9/20 21:20	69.4	↓-2.9
9/20 21:30	66.4	↓-3.0	最大潮位差
9/20 21:40	63.5	↓-2.9
9/20 21:50	60.7	↓-2.8
9/20 22:00	57.9	↓-2.8
9/20 22:10	55.1	↓-2.8
9/20 22:20	52.5	↓-2.6
9/20 22:30	49.9	↓-2.6
9/20 22:40	47.5	↓-2.4
9/20 22:50	45.1	↓-2.4
9/20 23:00	42.9	↓-2.2
9/20 23:10	40.8	↓-2.1
9/20 23:20	38.8	↓-2.0
9/20 23:30	37.0	↓-1.8
9/20 23:40	35.3	↓-1.7
9/20 23:50	33.8	↓-1.5