13 (月)	05:22	07:32	15:00	23:05
	66cm	64cm	131cm	13cm
中潮 出 06:47 入 15:44 出 16:54 入 07:53

コイセボイ（北海道）2038年12月13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
12/13 00:00	21.4	↑1.6
12/13 00:10	23.1	↑1.7
12/13 00:20	24.9	↑1.8
12/13 00:30	26.8	↑1.9
12/13 00:40	28.7	↑1.9
12/13 00:50	30.7	↑2.0
12/13 01:00	32.8	↑2.1
12/13 01:10	34.9	↑2.1
12/13 01:20	37.0	↑2.1
12/13 01:30	39.1	↑2.1
12/13 01:40	41.1	↑2.0
12/13 01:50	43.2	↑2.1
12/13 02:00	45.2	↑2.0
12/13 02:10	47.1	↑1.9
12/13 02:20	49.0	↑1.9
12/13 02:30	50.8	↑1.8
12/13 02:40	52.6	↑1.8
12/13 02:50	54.2	↑1.6
12/13 03:00	55.7	↑1.5
12/13 03:10	57.2	↑1.5
12/13 03:20	58.5	↑1.3
12/13 03:30	59.7	↑1.2
12/13 03:40	60.8	↑1.1
12/13 03:50	61.8	↑1.0
12/13 04:00	62.6	↑0.8
12/13 04:10	63.4	↑0.8
12/13 04:20	64.0	↑0.6
12/13 04:30	64.5	↑0.5
12/13 04:40	64.9	↑0.4
12/13 04:50	65.2	↑0.3
12/13 05:00	65.5	↑0.3
12/13 05:10	65.6	↑0.1
12/13 05:20	65.6	0	満潮
12/13 05:30	65.6	0
12/13 05:40	65.5	↓-0.1
12/13 05:50	65.4	↓-0.1
12/13 06:00	65.2	↓-0.2
12/13 06:10	65.0	↓-0.2
12/13 06:20	64.8	↓-0.2
12/13 06:30	64.5	↓-0.3
12/13 06:40	64.3	↓-0.2
12/13 06:50	64.1	↓-0.2
12/13 07:00	63.9	↓-0.2
12/13 07:10	63.7	↓-0.2
12/13 07:20	63.6	↓-0.1
12/13 07:30	63.6	0	干潮
12/13 07:40	63.6	0
12/13 07:50	63.7	↑0.1
12/13 08:00	63.9	↑0.2
12/13 08:10	64.2	↑0.3
12/13 08:20	64.6	↑0.4
12/13 08:30	65.1	↑0.5
12/13 08:40	65.8	↑0.7
12/13 08:50	66.5	↑0.7
12/13 09:00	67.4	↑0.9
12/13 09:10	68.4	↑1.0
12/13 09:20	69.5	↑1.1
12/13 09:30	70.8	↑1.3
12/13 09:40	72.2	↑1.4
12/13 09:50	73.7	↑1.5
12/13 10:00	75.4	↑1.7
12/13 10:10	77.1	↑1.7
12/13 10:20	79.0	↑1.9
12/13 10:30	81.0	↑2.0
12/13 10:40	83.1	↑2.1
12/13 10:50	85.3	↑2.2
12/13 11:00	87.5	↑2.2
12/13 11:10	89.8	↑2.3
12/13 11:20	92.2	↑2.4
12/13 11:30	94.6	↑2.4
12/13 11:40	97.1	↑2.5
12/13 11:50	99.6	↑2.5
12/13 12:00	102.0	↑2.4
12/13 12:10	104.5	↑2.5
12/13 12:20	106.9	↑2.4
12/13 12:30	109.3	↑2.4
12/13 12:40	111.7	↑2.4
12/13 12:50	113.9	↑2.2
12/13 13:00	116.1	↑2.2
12/13 13:10	118.2	↑2.1
12/13 13:20	120.1	↑1.9
12/13 13:30	121.9	↑1.8
12/13 13:40	123.6	↑1.7
12/13 13:50	125.1	↑1.5
12/13 14:00	126.5	↑1.4
12/13 14:10	127.6	↑1.1
12/13 14:20	128.6	↑1.0
12/13 14:30	129.3	↑0.7
12/13 14:40	129.9	↑0.6
12/13 14:50	130.2	↑0.3	満潮
12/13 15:00	130.3	↑0.1	満潮
12/13 15:10	130.2	↓-0.1
12/13 15:20	129.8	↓-0.4
12/13 15:30	129.2	↓-0.6
12/13 15:40	128.4	↓-0.8
12/13 15:50	127.3	↓-1.1
12/13 16:00	126.0	↓-1.3
12/13 16:10	124.4	↓-1.6
12/13 16:20	122.6	↓-1.8
12/13 16:30	120.6	↓-2.0
12/13 16:40	118.4	↓-2.2
12/13 16:50	116.0	↓-2.4
12/13 17:00	113.3	↓-2.7
12/13 17:10	110.5	↓-2.8
12/13 17:20	107.5	↓-3.0
12/13 17:30	104.4	↓-3.1
12/13 17:40	101.1	↓-3.3
12/13 17:50	97.6	↓-3.5
12/13 18:00	94.1	↓-3.5
12/13 18:10	90.4	↓-3.7
12/13 18:20	86.7	↓-3.7
12/13 18:30	82.9	↓-3.8
12/13 18:40	79.0	↓-3.9	最大潮位差
12/13 18:50	75.1	↓-3.9	最大潮位差
12/13 19:00	71.2	↓-3.9	最大潮位差
12/13 19:10	67.3	↓-3.9	最大潮位差
12/13 19:20	63.4	↓-3.9	最大潮位差
12/13 19:30	59.6	↓-3.8
12/13 19:40	55.8	↓-3.8
12/13 19:50	52.1	↓-3.7
12/13 20:00	48.5	↓-3.6
12/13 20:10	45.0	↓-3.5
12/13 20:20	41.6	↓-3.4
12/13 20:30	38.4	↓-3.2
12/13 20:40	35.3	↓-3.1
12/13 20:50	32.3	↓-3.0
12/13 21:00	29.6	↓-2.7
12/13 21:10	27.0	↓-2.6
12/13 21:20	24.6	↓-2.4
12/13 21:30	22.5	↓-2.1
12/13 21:40	20.5	↓-2.0
12/13 21:50	18.8	↓-1.7
12/13 22:00	17.2	↓-1.6
12/13 22:10	15.9	↓-1.3
12/13 22:20	14.9	↓-1.0
12/13 22:30	14.0	↓-0.9
12/13 22:40	13.4	↓-0.6
12/13 22:50	13.0	↓-0.4
12/13 23:00	12.8	↓-0.2	干潮
12/13 23:10	12.8	0
12/13 23:20	13.0	↑0.2
12/13 23:30	13.5	↑0.5
12/13 23:40	14.1	↑0.6
12/13 23:50	14.9	↑0.8