20 (水)	05:14	11:17	17:40	23:40
	86cm	38cm	93cm	48cm
中潮 出 06:13 入 16:58 出 21:04 入 08:04

コイセボイ（北海道）2041年02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
2/20 00:00	42.4	↑0.5
2/20 00:10	43.1	↑0.7
2/20 00:20	44.0	↑0.9
2/20 00:30	45.1	↑1.1
2/20 00:40	46.2	↑1.1
2/20 00:50	47.6	↑1.4
2/20 01:00	49.0	↑1.4
2/20 01:10	50.6	↑1.6
2/20 01:20	52.3	↑1.7
2/20 01:30	54.0	↑1.7
2/20 01:40	55.8	↑1.8
2/20 01:50	57.7	↑1.9
2/20 02:00	59.7	↑2.0
2/20 02:10	61.6	↑1.9
2/20 02:20	63.6	↑2.0
2/20 02:30	65.5	↑1.9
2/20 02:40	67.5	↑2.0
2/20 02:50	69.4	↑1.9
2/20 03:00	71.2	↑1.8
2/20 03:10	73.0	↑1.8
2/20 03:20	74.7	↑1.7
2/20 03:30	76.4	↑1.7
2/20 03:40	77.9	↑1.5
2/20 03:50	79.2	↑1.3
2/20 04:00	80.5	↑1.3
2/20 04:10	81.6	↑1.1
2/20 04:20	82.6	↑1.0
2/20 04:30	83.4	↑0.8
2/20 04:40	84.1	↑0.7
2/20 04:50	84.6	↑0.5
2/20 05:00	84.9	↑0.3
2/20 05:10	85.0	↑0.1	満潮
2/20 05:20	85.0	0
2/20 05:30	84.8	↓-0.2
2/20 05:40	84.4	↓-0.4
2/20 05:50	83.8	↓-0.6
2/20 06:00	83.1	↓-0.7
2/20 06:10	82.2	↓-0.9
2/20 06:20	81.2	↓-1.0
2/20 06:30	80.0	↓-1.2
2/20 06:40	78.6	↓-1.4
2/20 06:50	77.2	↓-1.4
2/20 07:00	75.6	↓-1.6
2/20 07:10	73.9	↓-1.7
2/20 07:20	72.1	↓-1.8
2/20 07:30	70.2	↓-1.9
2/20 07:40	68.3	↓-1.9
2/20 07:50	66.3	↓-2.0
2/20 08:00	64.2	↓-2.1
2/20 08:10	62.2	↓-2.0
2/20 08:20	60.1	↓-2.1
2/20 08:30	58.0	↓-2.1
2/20 08:40	56.0	↓-2.0
2/20 08:50	54.0	↓-2.0
2/20 09:00	52.1	↓-1.9
2/20 09:10	50.2	↓-1.9
2/20 09:20	48.4	↓-1.8
2/20 09:30	46.7	↓-1.7
2/20 09:40	45.1	↓-1.6
2/20 09:50	43.6	↓-1.5
2/20 10:00	42.2	↓-1.4
2/20 10:10	41.0	↓-1.2
2/20 10:20	40.0	↓-1.0
2/20 10:30	39.1	↓-0.9
2/20 10:40	38.3	↓-0.8
2/20 10:50	37.8	↓-0.5
2/20 11:00	37.4	↓-0.4
2/20 11:10	37.2	↓-0.2	干潮
2/20 11:20	37.2	0
2/20 11:30	37.4	↑0.2
2/20 11:40	37.7	↑0.3
2/20 11:50	38.2	↑0.5
2/20 12:00	39.0	↑0.8
2/20 12:10	39.8	↑0.8
2/20 12:20	40.9	↑1.1
2/20 12:30	42.1	↑1.2
2/20 12:40	43.5	↑1.4
2/20 12:50	45.0	↑1.5
2/20 13:00	46.6	↑1.6
2/20 13:10	48.4	↑1.8
2/20 13:20	50.3	↑1.9
2/20 13:30	52.3	↑2.0
2/20 13:40	54.3	↑2.0
2/20 13:50	56.5	↑2.2
2/20 14:00	58.7	↑2.2
2/20 14:10	60.9	↑2.2
2/20 14:20	63.2	↑2.3	最大潮位差
2/20 14:30	65.4	↑2.2
2/20 14:40	67.7	↑2.3	最大潮位差
2/20 14:50	69.9	↑2.2
2/20 15:00	72.1	↑2.2
2/20 15:10	74.3	↑2.2
2/20 15:20	76.4	↑2.1
2/20 15:30	78.4	↑2.0
2/20 15:40	80.3	↑1.9
2/20 15:50	82.1	↑1.8
2/20 16:00	83.8	↑1.7
2/20 16:10	85.4	↑1.6
2/20 16:20	86.8	↑1.4
2/20 16:30	88.1	↑1.3
2/20 16:40	89.2	↑1.1
2/20 16:50	90.2	↑1.0
2/20 17:00	91.0	↑0.8
2/20 17:10	91.6	↑0.6
2/20 17:20	92.0	↑0.4
2/20 17:30	92.3	↑0.3	満潮
2/20 17:40	92.4	↑0.1	満潮
2/20 17:50	92.3	↓-0.1
2/20 18:00	92.0	↓-0.3
2/20 18:10	91.6	↓-0.4
2/20 18:20	90.9	↓-0.7
2/20 18:30	90.2	↓-0.7
2/20 18:40	89.2	↓-1.0
2/20 18:50	88.1	↓-1.1
2/20 19:00	86.9	↓-1.2
2/20 19:10	85.5	↓-1.4
2/20 19:20	84.0	↓-1.5
2/20 19:30	82.4	↓-1.6
2/20 19:40	80.7	↓-1.7
2/20 19:50	79.0	↓-1.7
2/20 20:00	77.1	↓-1.9
2/20 20:10	75.2	↓-1.9
2/20 20:20	73.3	↓-1.9
2/20 20:30	71.3	↓-2.0
2/20 20:40	69.3	↓-2.0
2/20 20:50	67.4	↓-1.9
2/20 21:00	65.4	↓-2.0
2/20 21:10	63.5	↓-1.9
2/20 21:20	61.6	↓-1.9
2/20 21:30	59.8	↓-1.8
2/20 21:40	58.1	↓-1.7
2/20 21:50	56.4	↓-1.7
2/20 22:00	54.9	↓-1.5
2/20 22:10	53.5	↓-1.4
2/20 22:20	52.2	↓-1.3
2/20 22:30	51.0	↓-1.2
2/20 22:40	50.0	↓-1.0
2/20 22:50	49.1	↓-0.9
2/20 23:00	48.4	↓-0.7
2/20 23:10	47.8	↓-0.6
2/20 23:20	47.4	↓-0.4
2/20 23:30	47.2	↓-0.2	干潮
2/20 23:40	47.1	↓-0.1	干潮
2/20 23:50	47.2	↑0.1