31 (金)	05:53	08:54	16:11	23:56
	65cm	60cm	125cm	27cm
中潮 出 06:56 入 15:53 出 08:53 入 19:10

コイセボイ（北海道）2027年12月31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
12/31 00:00	21.3	↑0.6
12/31 00:10	22.0	↑0.7
12/31 00:20	22.9	↑0.9
12/31 00:30	23.9	↑1.0
12/31 00:40	25.1	↑1.2
12/31 00:50	26.5	↑1.4
12/31 01:00	27.9	↑1.4
12/31 01:10	29.4	↑1.5
12/31 01:20	31.1	↑1.7
12/31 01:30	32.8	↑1.7
12/31 01:40	34.5	↑1.7
12/31 01:50	36.3	↑1.8
12/31 02:00	38.2	↑1.9
12/31 02:10	40.0	↑1.8
12/31 02:20	41.9	↑1.9
12/31 02:30	43.8	↑1.9
12/31 02:40	45.6	↑1.8
12/31 02:50	47.4	↑1.8
12/31 03:00	49.1	↑1.7
12/31 03:10	50.8	↑1.7
12/31 03:20	52.5	↑1.7
12/31 03:30	54.0	↑1.5
12/31 03:40	55.5	↑1.5
12/31 03:50	56.8	↑1.3
12/31 04:00	58.1	↑1.3
12/31 04:10	59.3	↑1.2
12/31 04:20	60.3	↑1.0
12/31 04:30	61.3	↑1.0
12/31 04:40	62.1	↑0.8
12/31 04:50	62.8	↑0.7
12/31 05:00	63.4	↑0.6
12/31 05:10	63.9	↑0.5
12/31 05:20	64.3	↑0.4
12/31 05:30	64.6	↑0.3
12/31 05:40	64.7	↑0.1
12/31 05:50	64.8	↑0.1	満潮
12/31 06:00	64.8	0
12/31 06:10	64.6	↓-0.2
12/31 06:20	64.5	↓-0.1
12/31 06:30	64.2	↓-0.3
12/31 06:40	63.9	↓-0.3
12/31 06:50	63.5	↓-0.4
12/31 07:00	63.1	↓-0.4
12/31 07:10	62.7	↓-0.4
12/31 07:20	62.2	↓-0.5
12/31 07:30	61.8	↓-0.4
12/31 07:40	61.4	↓-0.4
12/31 07:50	60.9	↓-0.5
12/31 08:00	60.5	↓-0.4
12/31 08:10	60.2	↓-0.3
12/31 08:20	59.9	↓-0.3
12/31 08:30	59.7	↓-0.2
12/31 08:40	59.5	↓-0.2
12/31 08:50	59.5	0	干潮
12/31 09:00	59.5	0
12/31 09:10	59.6	↑0.1
12/31 09:20	59.8	↑0.2
12/31 09:30	60.2	↑0.4
12/31 09:40	60.7	↑0.5
12/31 09:50	61.3	↑0.6
12/31 10:00	62.0	↑0.7
12/31 10:10	62.8	↑0.8
12/31 10:20	63.8	↑1.0
12/31 10:30	65.0	↑1.2
12/31 10:40	66.2	↑1.2
12/31 10:50	67.6	↑1.4
12/31 11:00	69.1	↑1.5
12/31 11:10	70.8	↑1.7
12/31 11:20	72.6	↑1.8
12/31 11:30	74.4	↑1.8
12/31 11:40	76.4	↑2.0
12/31 11:50	78.5	↑2.1
12/31 12:00	80.7	↑2.2
12/31 12:10	82.9	↑2.2
12/31 12:20	85.2	↑2.3
12/31 12:30	87.6	↑2.4
12/31 12:40	90.0	↑2.4
12/31 12:50	92.4	↑2.4
12/31 13:00	94.8	↑2.4
12/31 13:10	97.3	↑2.5
12/31 13:20	99.7	↑2.4
12/31 13:30	102.1	↑2.4
12/31 13:40	104.4	↑2.3
12/31 13:50	106.7	↑2.3
12/31 14:00	109.0	↑2.3
12/31 14:10	111.1	↑2.1
12/31 14:20	113.1	↑2.0
12/31 14:30	115.0	↑1.9
12/31 14:40	116.8	↑1.8
12/31 14:50	118.4	↑1.6
12/31 15:00	119.9	↑1.5
12/31 15:10	121.2	↑1.3
12/31 15:20	122.3	↑1.1
12/31 15:30	123.2	↑0.9
12/31 15:40	124.0	↑0.8
12/31 15:50	124.5	↑0.5
12/31 16:00	124.9	↑0.4
12/31 16:10	125.0	↑0.1	満潮
12/31 16:20	124.9	↓-0.1
12/31 16:30	124.6	↓-0.3
12/31 16:40	124.0	↓-0.6
12/31 16:50	123.2	↓-0.8
12/31 17:00	122.3	↓-0.9
12/31 17:10	121.1	↓-1.2
12/31 17:20	119.6	↓-1.5
12/31 17:30	118.0	↓-1.6
12/31 17:40	116.2	↓-1.8
12/31 17:50	114.2	↓-2.0
12/31 18:00	112.0	↓-2.2
12/31 18:10	109.6	↓-2.4
12/31 18:20	107.0	↓-2.6
12/31 18:30	104.3	↓-2.7
12/31 18:40	101.5	↓-2.8
12/31 18:50	98.5	↓-3.0
12/31 19:00	95.5	↓-3.0
12/31 19:10	92.3	↓-3.2
12/31 19:20	89.0	↓-3.3
12/31 19:30	85.7	↓-3.3
12/31 19:40	82.4	↓-3.3
12/31 19:50	79.0	↓-3.4	最大潮位差
12/31 20:00	75.6	↓-3.4	最大潮位差
12/31 20:10	72.2	↓-3.4	最大潮位差
12/31 20:20	68.8	↓-3.4	最大潮位差
12/31 20:30	65.5	↓-3.3
12/31 20:40	62.2	↓-3.3
12/31 20:50	59.0	↓-3.2
12/31 21:00	55.8	↓-3.2
12/31 21:10	52.8	↓-3.0
12/31 21:20	49.9	↓-2.9
12/31 21:30	47.1	↓-2.8
12/31 21:40	44.4	↓-2.7
12/31 21:50	41.9	↓-2.5
12/31 22:00	39.6	↓-2.3
12/31 22:10	37.4	↓-2.2
12/31 22:20	35.5	↓-1.9
12/31 22:30	33.7	↓-1.8
12/31 22:40	32.0	↓-1.7
12/31 22:50	30.6	↓-1.4
12/31 23:00	29.4	↓-1.2
12/31 23:10	28.4	↓-1.0
12/31 23:20	27.6	↓-0.8
12/31 23:30	27.0	↓-0.6
12/31 23:40	26.6	↓-0.4
12/31 23:50	26.4	↓-0.2	干潮