20 (日)	07:02	08:26	16:29	-
	61cm	61cm	127cm	-
中潮 出 06:52 入 15:46 出 20:19 入 10:08

コイセボイ（北海道）2043年12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
12/20 00:00	17.5	0
12/20 00:10	17.6	↑0.1
12/20 00:20	17.9	↑0.3
12/20 00:30	18.3	↑0.4
12/20 00:40	19.0	↑0.7
12/20 00:50	19.8	↑0.8
12/20 01:00	20.7	↑0.9
12/20 01:10	21.8	↑1.1
12/20 01:20	22.9	↑1.1
12/20 01:30	24.2	↑1.3
12/20 01:40	25.6	↑1.4
12/20 01:50	27.1	↑1.5
12/20 02:00	28.7	↑1.6
12/20 02:10	30.3	↑1.6
12/20 02:20	31.9	↑1.6
12/20 02:30	33.6	↑1.7
12/20 02:40	35.3	↑1.7
12/20 02:50	37.0	↑1.7
12/20 03:00	38.7	↑1.7
12/20 03:10	40.4	↑1.7
12/20 03:20	42.1	↑1.7
12/20 03:30	43.8	↑1.7
12/20 03:40	45.4	↑1.6
12/20 03:50	46.9	↑1.5
12/20 04:00	48.4	↑1.5
12/20 04:10	49.8	↑1.4
12/20 04:20	51.1	↑1.3
12/20 04:30	52.3	↑1.2
12/20 04:40	53.5	↑1.2
12/20 04:50	54.6	↑1.1
12/20 05:00	55.6	↑1.0
12/20 05:10	56.4	↑0.8
12/20 05:20	57.2	↑0.8
12/20 05:30	57.9	↑0.7
12/20 05:40	58.5	↑0.6
12/20 05:50	59.0	↑0.5
12/20 06:00	59.5	↑0.5
12/20 06:10	59.8	↑0.3
12/20 06:20	60.1	↑0.3
12/20 06:30	60.3	↑0.2
12/20 06:40	60.4	↑0.1
12/20 06:50	60.5	↑0.1
12/20 07:00	60.5	0	満潮
12/20 07:10	60.5	0
12/20 07:20	60.4	↓-0.1
12/20 07:30	60.4	0
12/20 07:40	60.3	↓-0.1
12/20 07:50	60.2	↓-0.1
12/20 08:00	60.1	↓-0.1
12/20 08:10	60.1	0
12/20 08:20	60.0	↓-0.1	干潮
12/20 08:30	60.0	0
12/20 08:40	60.1	↑0.1
12/20 08:50	60.2	↑0.1
12/20 09:00	60.4	↑0.2
12/20 09:10	60.6	↑0.2
12/20 09:20	60.9	↑0.3
12/20 09:30	61.3	↑0.4
12/20 09:40	61.8	↑0.5
12/20 09:50	62.4	↑0.6
12/20 10:00	63.1	↑0.7
12/20 10:10	63.9	↑0.8
12/20 10:20	64.9	↑1.0
12/20 10:30	65.9	↑1.0
12/20 10:40	67.1	↑1.2
12/20 10:50	68.3	↑1.2
12/20 11:00	69.7	↑1.4
12/20 11:10	71.2	↑1.5
12/20 11:20	72.8	↑1.6
12/20 11:30	74.5	↑1.7
12/20 11:40	76.3	↑1.8
12/20 11:50	78.2	↑1.9
12/20 12:00	80.2	↑2.0
12/20 12:10	82.3	↑2.1
12/20 12:20	84.4	↑2.1
12/20 12:30	86.6	↑2.2
12/20 12:40	88.9	↑2.3
12/20 12:50	91.2	↑2.3
12/20 13:00	93.5	↑2.3
12/20 13:10	95.8	↑2.3
12/20 13:20	98.1	↑2.3
12/20 13:30	100.5	↑2.4
12/20 13:40	102.8	↑2.3
12/20 13:50	105.0	↑2.2
12/20 14:00	107.3	↑2.3
12/20 14:10	109.4	↑2.1
12/20 14:20	111.5	↑2.1
12/20 14:30	113.5	↑2.0
12/20 14:40	115.4	↑1.9
12/20 14:50	117.2	↑1.8
12/20 15:00	118.8	↑1.6
12/20 15:10	120.3	↑1.5
12/20 15:20	121.7	↑1.4
12/20 15:30	122.9	↑1.2
12/20 15:40	123.9	↑1.0
12/20 15:50	124.8	↑0.9
12/20 16:00	125.4	↑0.6
12/20 16:10	125.9	↑0.5
12/20 16:20	126.2	↑0.3	満潮
12/20 16:30	126.2	0
12/20 16:40	126.1	↓-0.1
12/20 16:50	125.7	↓-0.4
12/20 17:00	125.2	↓-0.5
12/20 17:10	124.4	↓-0.8
12/20 17:20	123.4	↓-1.0
12/20 17:30	122.2	↓-1.2
12/20 17:40	120.8	↓-1.4
12/20 17:50	119.3	↓-1.5
12/20 18:00	117.5	↓-1.8
12/20 18:10	115.5	↓-2.0
12/20 18:20	113.3	↓-2.2
12/20 18:30	111.0	↓-2.3
12/20 18:40	108.5	↓-2.5
12/20 18:50	105.9	↓-2.6
12/20 19:00	103.1	↓-2.8
12/20 19:10	100.2	↓-2.9
12/20 19:20	97.2	↓-3.0
12/20 19:30	94.1	↓-3.1
12/20 19:40	90.9	↓-3.2
12/20 19:50	87.7	↓-3.2
12/20 20:00	84.4	↓-3.3
12/20 20:10	81.0	↓-3.4	最大潮位差
12/20 20:20	77.7	↓-3.3
12/20 20:30	74.3	↓-3.4	最大潮位差
12/20 20:40	70.9	↓-3.4	最大潮位差
12/20 20:50	67.6	↓-3.3
12/20 21:00	64.3	↓-3.3
12/20 21:10	61.0	↓-3.3
12/20 21:20	57.8	↓-3.2
12/20 21:30	54.7	↓-3.1
12/20 21:40	51.7	↓-3.0
12/20 21:50	48.8	↓-2.9
12/20 22:00	46.1	↓-2.7
12/20 22:10	43.4	↓-2.7
12/20 22:20	40.9	↓-2.5
12/20 22:30	38.6	↓-2.3
12/20 22:40	36.4	↓-2.2
12/20 22:50	34.4	↓-2.0
12/20 23:00	32.5	↓-1.9
12/20 23:10	30.9	↓-1.6
12/20 23:20	29.4	↓-1.5
12/20 23:30	28.1	↓-1.3
12/20 23:40	27.0	↓-1.1
12/20 23:50	26.1	↓-0.9