12 (火)	10:33	03:08	-	18:40
	101cm	62cm	-	40cm
中潮 出 06:47 入 15:44 出 02:12 入 12:31

コイセボイ（北海道）2028年12月12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
12/12 00:00	66.6	↓-0.2
12/12 00:10	66.4	↓-0.2
12/12 00:20	66.1	↓-0.3
12/12 00:30	65.8	↓-0.3
12/12 00:40	65.5	↓-0.3
12/12 00:50	65.2	↓-0.3
12/12 01:00	64.8	↓-0.4
12/12 01:10	64.5	↓-0.3
12/12 01:20	64.1	↓-0.4
12/12 01:30	63.7	↓-0.4
12/12 01:40	63.4	↓-0.3
12/12 01:50	63.1	↓-0.3
12/12 02:00	62.7	↓-0.4
12/12 02:10	62.5	↓-0.2
12/12 02:20	62.2	↓-0.3
12/12 02:30	62.0	↓-0.2
12/12 02:40	61.8	↓-0.2
12/12 02:50	61.7	↓-0.1
12/12 03:00	61.6	↓-0.1	干潮
12/12 03:10	61.6	0
12/12 03:20	61.6	0
12/12 03:30	61.8	↑0.2
12/12 03:40	61.9	↑0.1
12/12 03:50	62.2	↑0.3
12/12 04:00	62.5	↑0.3
12/12 04:10	62.9	↑0.4
12/12 04:20	63.4	↑0.5
12/12 04:30	63.9	↑0.5
12/12 04:40	64.6	↑0.7
12/12 04:50	65.3	↑0.7
12/12 05:00	66.1	↑0.8
12/12 05:10	66.9	↑0.8
12/12 05:20	67.8	↑0.9
12/12 05:30	68.8	↑1.0
12/12 05:40	69.9	↑1.1
12/12 05:50	71.0	↑1.1
12/12 06:00	72.2	↑1.2
12/12 06:10	73.4	↑1.2
12/12 06:20	74.7	↑1.3
12/12 06:30	76.0	↑1.3
12/12 06:40	77.4	↑1.4
12/12 06:50	78.7	↑1.3
12/12 07:00	80.1	↑1.4
12/12 07:10	81.5	↑1.4
12/12 07:20	82.9	↑1.4
12/12 07:30	84.3	↑1.4
12/12 07:40	85.7	↑1.4
12/12 07:50	87.1	↑1.4
12/12 08:00	88.4	↑1.3
12/12 08:10	89.8	↑1.4
12/12 08:20	91.0	↑1.2
12/12 08:30	92.2	↑1.2
12/12 08:40	93.4	↑1.2
12/12 08:50	94.5	↑1.1
12/12 09:00	95.5	↑1.0
12/12 09:10	96.4	↑0.9
12/12 09:20	97.3	↑0.9
12/12 09:30	98.0	↑0.7
12/12 09:40	98.7	↑0.7
12/12 09:50	99.2	↑0.5
12/12 10:00	99.7	↑0.5
12/12 10:10	100.0	↑0.3
12/12 10:20	100.2	↑0.2
12/12 10:30	100.3	↑0.1	満潮
12/12 10:40	100.2	↓-0.1
12/12 10:50	100.1	↓-0.1
12/12 11:00	99.8	↓-0.3
12/12 11:10	99.4	↓-0.4
12/12 11:20	98.9	↓-0.5
12/12 11:30	98.2	↓-0.7
12/12 11:40	97.4	↓-0.8
12/12 11:50	96.5	↓-0.9
12/12 12:00	95.5	↓-1.0
12/12 12:10	94.4	↓-1.1
12/12 12:20	93.1	↓-1.3
12/12 12:30	91.8	↓-1.3
12/12 12:40	90.3	↓-1.5
12/12 12:50	88.8	↓-1.5
12/12 13:00	87.2	↓-1.6
12/12 13:10	85.5	↓-1.7
12/12 13:20	83.7	↓-1.8
12/12 13:30	81.9	↓-1.8
12/12 13:40	80.0	↓-1.9
12/12 13:50	78.1	↓-1.9
12/12 14:00	76.2	↓-1.9
12/12 14:10	74.2	↓-2.0
12/12 14:20	72.2	↓-2.0
12/12 14:30	70.1	↓-2.1	最大潮位差
12/12 14:40	68.1	↓-2.0
12/12 14:50	66.1	↓-2.0
12/12 15:00	64.1	↓-2.0
12/12 15:10	62.2	↓-1.9
12/12 15:20	60.2	↓-2.0
12/12 15:30	58.3	↓-1.9
12/12 15:40	56.5	↓-1.8
12/12 15:50	54.7	↓-1.8
12/12 16:00	53.0	↓-1.7
12/12 16:10	51.4	↓-1.6
12/12 16:20	49.9	↓-1.5
12/12 16:30	48.4	↓-1.5
12/12 16:40	47.1	↓-1.3
12/12 16:50	45.8	↓-1.3
12/12 17:00	44.6	↓-1.2
12/12 17:10	43.6	↓-1.0
12/12 17:20	42.6	↓-1.0
12/12 17:30	41.8	↓-0.8
12/12 17:40	41.1	↓-0.7
12/12 17:50	40.5	↓-0.6
12/12 18:00	40.0	↓-0.5
12/12 18:10	39.6	↓-0.4
12/12 18:20	39.3	↓-0.3
12/12 18:30	39.2	↓-0.1	干潮
12/12 18:40	39.1	↓-0.1	干潮
12/12 18:50	39.2	↑0.1
12/12 19:00	39.3	↑0.1
12/12 19:10	39.6	↑0.3
12/12 19:20	39.9	↑0.3
12/12 19:30	40.4	↑0.5
12/12 19:40	40.9	↑0.5
12/12 19:50	41.5	↑0.6
12/12 20:00	42.2	↑0.7
12/12 20:10	42.9	↑0.7
12/12 20:20	43.7	↑0.8
12/12 20:30	44.6	↑0.9
12/12 20:40	45.5	↑0.9
12/12 20:50	46.4	↑0.9
12/12 21:00	47.4	↑1.0
12/12 21:10	48.4	↑1.0
12/12 21:20	49.4	↑1.0
12/12 21:30	50.4	↑1.0
12/12 21:40	51.4	↑1.0
12/12 21:50	52.4	↑1.0
12/12 22:00	53.4	↑1.0
12/12 22:10	54.4	↑1.0
12/12 22:20	55.4	↑1.0
12/12 22:30	56.3	↑0.9
12/12 22:40	57.2	↑0.9
12/12 22:50	58.0	↑0.8
12/12 23:00	58.8	↑0.8
12/12 23:10	59.6	↑0.8
12/12 23:20	60.3	↑0.7
12/12 23:30	61.0	↑0.7
12/12 23:40	61.6	↑0.6
12/12 23:50	62.1	↑0.5