20 (月)	01:58	07:51	13:59	20:14
	106cm	51cm	116cm	46cm
中潮 出 04:28 入 18:07 出 03:39 入 15:10

花咲（北海道）2020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	91.7	↑2.1
4/20 00:10	93.7	↑2.0
4/20 00:20	95.6	↑1.9
4/20 00:30	97.4	↑1.8
4/20 00:40	98.9	↑1.5
4/20 00:50	100.4	↑1.5
4/20 01:00	101.6	↑1.2
4/20 01:10	102.7	↑1.1
4/20 01:20	103.6	↑0.9
4/20 01:30	104.2	↑0.6
4/20 01:40	104.7	↑0.5
4/20 01:50	105.0	↑0.3	満潮
4/20 02:00	105.0	0
4/20 02:10	104.9	↓-0.1
4/20 02:20	104.5	↓-0.4
4/20 02:30	103.9	↓-0.6
4/20 02:40	103.1	↓-0.8
4/20 02:50	102.1	↓-1.0
4/20 03:00	101.0	↓-1.1
4/20 03:10	99.6	↓-1.4
4/20 03:20	98.1	↓-1.5
4/20 03:30	96.4	↓-1.7
4/20 03:40	94.6	↓-1.8
4/20 03:50	92.6	↓-2.0
4/20 04:00	90.6	↓-2.0
4/20 04:10	88.4	↓-2.2
4/20 04:20	86.1	↓-2.3
4/20 04:30	83.8	↓-2.3
4/20 04:40	81.4	↓-2.4
4/20 04:50	79.0	↓-2.4
4/20 05:00	76.6	↓-2.4
4/20 05:10	74.2	↓-2.4
4/20 05:20	71.8	↓-2.4
4/20 05:30	69.4	↓-2.4
4/20 05:40	67.1	↓-2.3
4/20 05:50	64.9	↓-2.2
4/20 06:00	62.8	↓-2.1
4/20 06:10	60.8	↓-2.0
4/20 06:20	58.9	↓-1.9
4/20 06:30	57.2	↓-1.7
4/20 06:40	55.6	↓-1.6
4/20 06:50	54.2	↓-1.4
4/20 07:00	53.0	↓-1.2
4/20 07:10	52.0	↓-1.0
4/20 07:20	51.2	↓-0.8
4/20 07:30	50.6	↓-0.6
4/20 07:40	50.2	↓-0.4
4/20 07:50	50.1	↓-0.1	干潮
4/20 08:00	50.2	↑0.1
4/20 08:10	50.6	↑0.4
4/20 08:20	51.2	↑0.6
4/20 08:30	52.0	↑0.8
4/20 08:40	53.0	↑1.0
4/20 08:50	54.3	↑1.3
4/20 09:00	55.7	↑1.4
4/20 09:10	57.4	↑1.7
4/20 09:20	59.2	↑1.8
4/20 09:30	61.2	↑2.0
4/20 09:40	63.4	↑2.2
4/20 09:50	65.7	↑2.3
4/20 10:00	68.1	↑2.4
4/20 10:10	70.7	↑2.6
4/20 10:20	73.3	↑2.6
4/20 10:30	76.0	↑2.7
4/20 10:40	78.7	↑2.7
4/20 10:50	81.5	↑2.8
4/20 11:00	84.2	↑2.7
4/20 11:10	87.0	↑2.8
4/20 11:20	89.7	↑2.7
4/20 11:30	92.4	↑2.7
4/20 11:40	95.0	↑2.6
4/20 11:50	97.5	↑2.5
4/20 12:00	99.9	↑2.4
4/20 12:10	102.2	↑2.3
4/20 12:20	104.4	↑2.2
4/20 12:30	106.4	↑2.0
4/20 12:40	108.2	↑1.8
4/20 12:50	109.8	↑1.6
4/20 13:00	111.3	↑1.5
4/20 13:10	112.5	↑1.2
4/20 13:20	113.5	↑1.0
4/20 13:30	114.3	↑0.8
4/20 13:40	114.8	↑0.5
4/20 13:50	115.1	↑0.3	満潮
4/20 14:00	115.2	↑0.1
4/20 14:10	115.0	↓-0.2
4/20 14:20	114.6	↓-0.4
4/20 14:30	113.9	↓-0.7
4/20 14:40	113.0	↓-0.9
4/20 14:50	111.9	↓-1.1
4/20 15:00	110.5	↓-1.4
4/20 15:10	109.0	↓-1.5
4/20 15:20	107.2	↓-1.8
4/20 15:30	105.3	↓-1.9
4/20 15:40	103.2	↓-2.1
4/20 15:50	100.9	↓-2.3
4/20 16:00	98.5	↓-2.4
4/20 16:10	95.9	↓-2.6
4/20 16:20	93.3	↓-2.6
4/20 16:30	90.6	↓-2.7
4/20 16:40	87.8	↓-2.8
4/20 16:50	85.0	↓-2.8
4/20 17:00	82.1	↓-2.9	最大潮位差
4/20 17:10	79.2	↓-2.9	最大潮位差
4/20 17:20	76.4	↓-2.8
4/20 17:30	73.5	↓-2.9	最大潮位差
4/20 17:40	70.7	↓-2.8
4/20 17:50	68.0	↓-2.7
4/20 18:00	65.4	↓-2.6
4/20 18:10	62.8	↓-2.6
4/20 18:20	60.4	↓-2.4
4/20 18:30	58.1	↓-2.3
4/20 18:40	56.0	↓-2.1
4/20 18:50	54.1	↓-1.9
4/20 19:00	52.3	↓-1.8
4/20 19:10	50.7	↓-1.6
4/20 19:20	49.4	↓-1.3
4/20 19:30	48.2	↓-1.2
4/20 19:40	47.3	↓-0.9
4/20 19:50	46.6	↓-0.7
4/20 20:00	46.2	↓-0.4
4/20 20:10	46.0	↓-0.2	干潮
4/20 20:20	46.0	0
4/20 20:30	46.3	↑0.3
4/20 20:40	46.8	↑0.5
4/20 20:50	47.6	↑0.8
4/20 21:00	48.6	↑1.0
4/20 21:10	49.8	↑1.2
4/20 21:20	51.2	↑1.4
4/20 21:30	52.9	↑1.7
4/20 21:40	54.7	↑1.8
4/20 21:50	56.7	↑2.0
4/20 22:00	58.8	↑2.1
4/20 22:10	61.1	↑2.3
4/20 22:20	63.5	↑2.4
4/20 22:30	66.0	↑2.5
4/20 22:40	68.6	↑2.6
4/20 22:50	71.3	↑2.7
4/20 23:00	74.0	↑2.7
4/20 23:10	76.8	↑2.8
4/20 23:20	79.5	↑2.7
4/20 23:30	82.3	↑2.8
4/20 23:40	85.0	↑2.7
4/20 23:50	87.7	↑2.7