20 (火)	07:20	00:26	16:59	09:08
	62cm	21cm	122cm	62cm
中潮 出 06:52 入 15:46 出 10:48 入 20:59

コイセボイ（北海道）2039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	21.0	↓-0.6
12/20 00:10	20.6	↓-0.4
12/20 00:20	20.5	↓-0.1	干潮
12/20 00:30	20.5	0
12/20 00:40	20.7	↑0.2
12/20 00:50	21.0	↑0.3
12/20 01:00	21.5	↑0.5
12/20 01:10	22.2	↑0.7
12/20 01:20	23.0	↑0.8
12/20 01:30	24.0	↑1.0
12/20 01:40	25.0	↑1.0
12/20 01:50	26.2	↑1.2
12/20 02:00	27.5	↑1.3
12/20 02:10	28.9	↑1.4
12/20 02:20	30.4	↑1.5
12/20 02:30	31.9	↑1.5
12/20 02:40	33.5	↑1.6
12/20 02:50	35.1	↑1.6
12/20 03:00	36.7	↑1.6
12/20 03:10	38.4	↑1.7
12/20 03:20	40.1	↑1.7
12/20 03:30	41.7	↑1.6
12/20 03:40	43.4	↑1.7
12/20 03:50	45.0	↑1.6
12/20 04:00	46.6	↑1.6
12/20 04:10	48.1	↑1.5
12/20 04:20	49.6	↑1.5
12/20 04:30	51.0	↑1.4
12/20 04:40	52.3	↑1.3
12/20 04:50	53.6	↑1.3
12/20 05:00	54.7	↑1.1
12/20 05:10	55.8	↑1.1
12/20 05:20	56.8	↑1.0
12/20 05:30	57.7	↑0.9
12/20 05:40	58.6	↑0.9
12/20 05:50	59.3	↑0.7
12/20 06:00	59.9	↑0.6
12/20 06:10	60.4	↑0.5
12/20 06:20	60.9	↑0.5
12/20 06:30	61.3	↑0.4
12/20 06:40	61.5	↑0.2
12/20 06:50	61.8	↑0.3
12/20 07:00	61.9	↑0.1
12/20 07:10	62.0	↑0.1	満潮
12/20 07:20	62.0	0	満潮
12/20 07:30	62.0	0
12/20 07:40	61.9	↓-0.1
12/20 07:50	61.8	↓-0.1
12/20 08:00	61.7	↓-0.1
12/20 08:10	61.5	↓-0.2
12/20 08:20	61.4	↓-0.1
12/20 08:30	61.3	↓-0.1
12/20 08:40	61.2	↓-0.1
12/20 08:50	61.1	↓-0.1
12/20 09:00	61.0	↓-0.1	干潮
12/20 09:10	61.0	0
12/20 09:20	61.1	↑0.1
12/20 09:30	61.2	↑0.1
12/20 09:40	61.3	↑0.1
12/20 09:50	61.6	↑0.3
12/20 10:00	61.9	↑0.3
12/20 10:10	62.3	↑0.4
12/20 10:20	62.9	↑0.6
12/20 10:30	63.5	↑0.6
12/20 10:40	64.2	↑0.7
12/20 10:50	65.0	↑0.8
12/20 11:00	65.9	↑0.9
12/20 11:10	67.0	↑1.1
12/20 11:20	68.1	↑1.1
12/20 11:30	69.4	↑1.3
12/20 11:40	70.8	↑1.4
12/20 11:50	72.2	↑1.4
12/20 12:00	73.8	↑1.6
12/20 12:10	75.5	↑1.7
12/20 12:20	77.2	↑1.7
12/20 12:30	79.1	↑1.9
12/20 12:40	81.0	↑1.9
12/20 12:50	83.0	↑2.0
12/20 13:00	85.0	↑2.0
12/20 13:10	87.1	↑2.1
12/20 13:20	89.2	↑2.1
12/20 13:30	91.4	↑2.2
12/20 13:40	93.5	↑2.1
12/20 13:50	95.7	↑2.2
12/20 14:00	97.9	↑2.2
12/20 14:10	100.0	↑2.1
12/20 14:20	102.1	↑2.1
12/20 14:30	104.2	↑2.1
12/20 14:40	106.2	↑2.0
12/20 14:50	108.1	↑1.9
12/20 15:00	110.0	↑1.9
12/20 15:10	111.8	↑1.8
12/20 15:20	113.4	↑1.6
12/20 15:30	114.9	↑1.5
12/20 15:40	116.4	↑1.5
12/20 15:50	117.6	↑1.2
12/20 16:00	118.7	↑1.1
12/20 16:10	119.7	↑1.0
12/20 16:20	120.5	↑0.8
12/20 16:30	121.1	↑0.6
12/20 16:40	121.5	↑0.4
12/20 16:50	121.8	↑0.3	満潮
12/20 17:00	121.8	0
12/20 17:10	121.7	↓-0.1
12/20 17:20	121.4	↓-0.3
12/20 17:30	120.9	↓-0.5
12/20 17:40	120.1	↓-0.8
12/20 17:50	119.2	↓-0.9
12/20 18:00	118.1	↓-1.1
12/20 18:10	116.8	↓-1.3
12/20 18:20	115.3	↓-1.5
12/20 18:30	113.7	↓-1.6
12/20 18:40	111.8	↓-1.9
12/20 18:50	109.8	↓-2.0
12/20 19:00	107.7	↓-2.1
12/20 19:10	105.4	↓-2.3
12/20 19:20	102.9	↓-2.5
12/20 19:30	100.3	↓-2.6
12/20 19:40	97.7	↓-2.6
12/20 19:50	94.9	↓-2.8
12/20 20:00	92.0	↓-2.9
12/20 20:10	89.0	↓-3.0
12/20 20:20	86.0	↓-3.0
12/20 20:30	82.9	↓-3.1
12/20 20:40	79.8	↓-3.1
12/20 20:50	76.7	↓-3.1
12/20 21:00	73.5	↓-3.2	最大潮位差
12/20 21:10	70.4	↓-3.1
12/20 21:20	67.3	↓-3.1
12/20 21:30	64.2	↓-3.1
12/20 21:40	61.2	↓-3.0
12/20 21:50	58.3	↓-2.9
12/20 22:00	55.4	↓-2.9
12/20 22:10	52.6	↓-2.8
12/20 22:20	49.9	↓-2.7
12/20 22:30	47.4	↓-2.5
12/20 22:40	44.9	↓-2.5
12/20 22:50	42.6	↓-2.3
12/20 23:00	40.4	↓-2.2
12/20 23:10	38.4	↓-2.0
12/20 23:20	36.5	↓-1.9
12/20 23:30	34.8	↓-1.7
12/20 23:40	33.3	↓-1.5
12/20 23:50	31.9	↓-1.4