29 (月)	04:30	06:49	14:17	22:14
	66cm	64cm	128cm	19cm
大潮 出 06:55 入 15:51 出 16:36 入 06:48

コイセボイ（北海道）2031年12月29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
12/29 00:00	34.5	↑1.8
12/29 00:10	36.3	↑1.8
12/29 00:20	38.1	↑1.8
12/29 00:30	40.0	↑1.9
12/29 00:40	41.9	↑1.9
12/29 00:50	43.7	↑1.8
12/29 01:00	45.6	↑1.9
12/29 01:10	47.4	↑1.8
12/29 01:20	49.1	↑1.7
12/29 01:30	50.9	↑1.8
12/29 01:40	52.5	↑1.6
12/29 01:50	54.1	↑1.6
12/29 02:00	55.5	↑1.4
12/29 02:10	56.9	↑1.4
12/29 02:20	58.3	↑1.4
12/29 02:30	59.5	↑1.2
12/29 02:40	60.6	↑1.1
12/29 02:50	61.6	↑1.0
12/29 03:00	62.5	↑0.9
12/29 03:10	63.3	↑0.8
12/29 03:20	63.9	↑0.6
12/29 03:30	64.5	↑0.6
12/29 03:40	65.0	↑0.5
12/29 03:50	65.4	↑0.4
12/29 04:00	65.6	↑0.2
12/29 04:10	65.8	↑0.2
12/29 04:20	65.9	↑0.1	満潮
12/29 04:30	66.0	↑0.1	満潮
12/29 04:40	65.9	↓-0.1
12/29 04:50	65.8	↓-0.1
12/29 05:00	65.7	↓-0.1
12/29 05:10	65.5	↓-0.2
12/29 05:20	65.3	↓-0.2
12/29 05:30	65.0	↓-0.3
12/29 05:40	64.8	↓-0.2
12/29 05:50	64.5	↓-0.3
12/29 06:00	64.3	↓-0.2
12/29 06:10	64.1	↓-0.2
12/29 06:20	63.9	↓-0.2
12/29 06:30	63.8	↓-0.1
12/29 06:40	63.7	↓-0.1	干潮
12/29 06:50	63.6	↓-0.1
12/29 07:00	63.7	↑0.1
12/29 07:10	63.8	↑0.1
12/29 07:20	64.1	↑0.3
12/29 07:30	64.4	↑0.3
12/29 07:40	64.8	↑0.4
12/29 07:50	65.3	↑0.5
12/29 08:00	66.0	↑0.7
12/29 08:10	66.7	↑0.7
12/29 08:20	67.6	↑0.9
12/29 08:30	68.6	↑1.0
12/29 08:40	69.8	↑1.2
12/29 08:50	71.0	↑1.2
12/29 09:00	72.4	↑1.4
12/29 09:10	73.9	↑1.5
12/29 09:20	75.5	↑1.6
12/29 09:30	77.3	↑1.8
12/29 09:40	79.1	↑1.8
12/29 09:50	81.0	↑1.9
12/29 10:00	83.1	↑2.1
12/29 10:10	85.2	↑2.1
12/29 10:20	87.3	↑2.1
12/29 10:30	89.6	↑2.3
12/29 10:40	91.9	↑2.3
12/29 10:50	94.2	↑2.3
12/29 11:00	96.5	↑2.3
12/29 11:10	98.9	↑2.4
12/29 11:20	101.2	↑2.3
12/29 11:30	103.6	↑2.4
12/29 11:40	105.9	↑2.3
12/29 11:50	108.1	↑2.2
12/29 12:00	110.4	↑2.3
12/29 12:10	112.5	↑2.1
12/29 12:20	114.5	↑2.0
12/29 12:30	116.4	↑1.9
12/29 12:40	118.3	↑1.9
12/29 12:50	120.0	↑1.7
12/29 13:00	121.5	↑1.5
12/29 13:10	122.9	↑1.4
12/29 13:20	124.1	↑1.2
12/29 13:30	125.1	↑1.0
12/29 13:40	126.0	↑0.9
12/29 13:50	126.6	↑0.6
12/29 14:00	127.1	↑0.5
12/29 14:10	127.3	↑0.2	満潮
12/29 14:20	127.4	↑0.1
12/29 14:30	127.2	↓-0.2
12/29 14:40	126.7	↓-0.5
12/29 14:50	126.1	↓-0.6
12/29 15:00	125.2	↓-0.9
12/29 15:10	124.1	↓-1.1
12/29 15:20	122.8	↓-1.3
12/29 15:30	121.3	↓-1.5
12/29 15:40	119.5	↓-1.8
12/29 15:50	117.5	↓-2.0
12/29 16:00	115.4	↓-2.1
12/29 16:10	113.0	↓-2.4
12/29 16:20	110.5	↓-2.5
12/29 16:30	107.8	↓-2.7
12/29 16:40	104.9	↓-2.9
12/29 16:50	101.9	↓-3.0
12/29 17:00	98.7	↓-3.2
12/29 17:10	95.4	↓-3.3
12/29 17:20	92.0	↓-3.4
12/29 17:30	88.6	↓-3.4
12/29 17:40	85.0	↓-3.6
12/29 17:50	81.4	↓-3.6
12/29 18:00	77.8	↓-3.6
12/29 18:10	74.1	↓-3.7	最大潮位差
12/29 18:20	70.5	↓-3.6
12/29 18:30	66.8	↓-3.7	最大潮位差
12/29 18:40	63.2	↓-3.6
12/29 18:50	59.6	↓-3.6
12/29 19:00	56.1	↓-3.5
12/29 19:10	52.7	↓-3.4
12/29 19:20	49.4	↓-3.3
12/29 19:30	46.1	↓-3.3
12/29 19:40	43.1	↓-3.0
12/29 19:50	40.1	↓-3.0
12/29 20:00	37.3	↓-2.8
12/29 20:10	34.7	↓-2.6
12/29 20:20	32.2	↓-2.5
12/29 20:30	30.0	↓-2.2
12/29 20:40	27.9	↓-2.1
12/29 20:50	26.0	↓-1.9
12/29 21:00	24.3	↓-1.7
12/29 21:10	22.9	↓-1.4
12/29 21:20	21.6	↓-1.3
12/29 21:30	20.6	↓-1.0
12/29 21:40	19.8	↓-0.8
12/29 21:50	19.2	↓-0.6
12/29 22:00	18.8	↓-0.4
12/29 22:10	18.6	↓-0.2	干潮
12/29 22:20	18.7	↑0.1
12/29 22:30	18.9	↑0.2
12/29 22:40	19.3	↑0.4
12/29 22:50	20.0	↑0.7
12/29 23:00	20.7	↑0.7
12/29 23:10	21.7	↑1.0
12/29 23:20	22.8	↑1.1
12/29 23:30	24.1	↑1.3
12/29 23:40	25.5	↑1.4
12/29 23:50	27.0	↑1.5