1 (金)	04:09	05:50	13:27	21:36
	66cm	66cm	124cm	13cm
大潮 出 06:36 入 15:45 出 14:48 入 05:41

コイセボイ（北海道）2028年12月1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
12/1 00:00	41.0	↑1.8
12/1 00:10	42.9	↑1.9
12/1 00:20	44.7	↑1.8
12/1 00:30	46.5	↑1.8
12/1 00:40	48.2	↑1.7
12/1 00:50	49.9	↑1.7
12/1 01:00	51.6	↑1.7
12/1 01:10	53.1	↑1.5
12/1 01:20	54.6	↑1.5
12/1 01:30	56.0	↑1.4
12/1 01:40	57.4	↑1.4
12/1 01:50	58.6	↑1.2
12/1 02:00	59.7	↑1.1
12/1 02:10	60.7	↑1.0
12/1 02:20	61.7	↑1.0
12/1 02:30	62.5	↑0.8
12/1 02:40	63.3	↑0.8
12/1 02:50	63.9	↑0.6
12/1 03:00	64.4	↑0.5
12/1 03:10	64.9	↑0.5
12/1 03:20	65.2	↑0.3
12/1 03:30	65.5	↑0.3
12/1 03:40	65.7	↑0.2
12/1 03:50	65.9	↑0.2
12/1 04:00	65.9	0	満潮
12/1 04:10	66.0	↑0.1
12/1 04:20	65.9	↓-0.1
12/1 04:30	65.9	0
12/1 04:40	65.8	↓-0.1
12/1 04:50	65.6	↓-0.2
12/1 05:00	65.5	↓-0.1
12/1 05:10	65.4	↓-0.1
12/1 05:20	65.3	↓-0.1
12/1 05:30	65.2	↓-0.1
12/1 05:40	65.2	0	干潮
12/1 05:50	65.1	↓-0.1	干潮
12/1 06:00	65.2	↑0.1
12/1 06:10	65.3	↑0.1
12/1 06:20	65.4	↑0.1
12/1 06:30	65.7	↑0.3
12/1 06:40	66.0	↑0.3
12/1 06:50	66.4	↑0.4
12/1 07:00	66.9	↑0.5
12/1 07:10	67.5	↑0.6
12/1 07:20	68.2	↑0.7
12/1 07:30	69.0	↑0.8
12/1 07:40	69.9	↑0.9
12/1 07:50	70.9	↑1.0
12/1 08:00	72.1	↑1.2
12/1 08:10	73.3	↑1.2
12/1 08:20	74.7	↑1.4
12/1 08:30	76.2	↑1.5
12/1 08:40	77.7	↑1.5
12/1 08:50	79.4	↑1.7
12/1 09:00	81.1	↑1.7
12/1 09:10	83.0	↑1.9
12/1 09:20	84.9	↑1.9
12/1 09:30	86.9	↑2.0
12/1 09:40	88.9	↑2.0
12/1 09:50	91.0	↑2.1
12/1 10:00	93.1	↑2.1
12/1 10:10	95.3	↑2.2
12/1 10:20	97.4	↑2.1
12/1 10:30	99.6	↑2.2
12/1 10:40	101.7	↑2.1
12/1 10:50	103.9	↑2.2
12/1 11:00	106.0	↑2.1
12/1 11:10	108.0	↑2.0
12/1 11:20	110.0	↑2.0
12/1 11:30	111.8	↑1.8
12/1 11:40	113.6	↑1.8
12/1 11:50	115.3	↑1.7
12/1 12:00	116.9	↑1.6
12/1 12:10	118.3	↑1.4
12/1 12:20	119.6	↑1.3
12/1 12:30	120.7	↑1.1
12/1 12:40	121.7	↑1.0
12/1 12:50	122.5	↑0.8
12/1 13:00	123.1	↑0.6
12/1 13:10	123.5	↑0.4
12/1 13:20	123.7	↑0.2	満潮
12/1 13:30	123.7	0
12/1 13:40	123.5	↓-0.2
12/1 13:50	123.1	↓-0.4
12/1 14:00	122.5	↓-0.6
12/1 14:10	121.6	↓-0.9
12/1 14:20	120.6	↓-1.0
12/1 14:30	119.3	↓-1.3
12/1 14:40	117.8	↓-1.5
12/1 14:50	116.1	↓-1.7
12/1 15:00	114.2	↓-1.9
12/1 15:10	112.1	↓-2.1
12/1 15:20	109.8	↓-2.3
12/1 15:30	107.4	↓-2.4
12/1 15:40	104.7	↓-2.7
12/1 15:50	101.9	↓-2.8
12/1 16:00	99.0	↓-2.9
12/1 16:10	95.9	↓-3.1
12/1 16:20	92.7	↓-3.2
12/1 16:30	89.3	↓-3.4
12/1 16:40	85.9	↓-3.4
12/1 16:50	82.4	↓-3.5
12/1 17:00	78.9	↓-3.5
12/1 17:10	75.2	↓-3.7	最大潮位差
12/1 17:20	71.6	↓-3.6
12/1 17:30	68.0	↓-3.6
12/1 17:40	64.3	↓-3.7	最大潮位差
12/1 17:50	60.7	↓-3.6
12/1 18:00	57.1	↓-3.6
12/1 18:10	53.5	↓-3.6
12/1 18:20	50.0	↓-3.5
12/1 18:30	46.6	↓-3.4
12/1 18:40	43.3	↓-3.3
12/1 18:50	40.2	↓-3.1
12/1 19:00	37.1	↓-3.1
12/1 19:10	34.2	↓-2.9
12/1 19:20	31.4	↓-2.8
12/1 19:30	28.8	↓-2.6
12/1 19:40	26.4	↓-2.4
12/1 19:50	24.1	↓-2.3
12/1 20:00	22.1	↓-2.0
12/1 20:10	20.2	↓-1.9
12/1 20:20	18.5	↓-1.7
12/1 20:30	17.1	↓-1.4
12/1 20:40	15.8	↓-1.3
12/1 20:50	14.8	↓-1.0
12/1 21:00	14.0	↓-0.8
12/1 21:10	13.4	↓-0.6
12/1 21:20	13.0	↓-0.4
12/1 21:30	12.8	↓-0.2	干潮
12/1 21:40	12.8	0
12/1 21:50	13.0	↑0.2
12/1 22:00	13.4	↑0.4
12/1 22:10	13.9	↑0.5
12/1 22:20	14.7	↑0.8
12/1 22:30	15.6	↑0.9
12/1 22:40	16.7	↑1.1
12/1 22:50	17.9	↑1.2
12/1 23:00	19.3	↑1.4
12/1 23:10	20.7	↑1.4
12/1 23:20	22.3	↑1.6
12/1 23:30	24.0	↑1.7
12/1 23:40	25.7	↑1.7
12/1 23:50	27.6	↑1.9