31 (日)	13:56	22:12	-	-
	131cm	16cm	-	-
大潮 出 06:56 入 15:54 出 15:20 入 06:24

コイセボイ（北海道）2028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	31.0	↑1.7
12/31 00:10	32.8	↑1.8
12/31 00:20	34.5	↑1.7
12/31 00:30	36.3	↑1.8
12/31 00:40	38.1	↑1.8
12/31 00:50	39.9	↑1.8
12/31 01:00	41.6	↑1.7
12/31 01:10	43.3	↑1.7
12/31 01:20	45.0	↑1.7
12/31 01:30	46.6	↑1.6
12/31 01:40	48.2	↑1.6
12/31 01:50	49.8	↑1.6
12/31 02:00	51.2	↑1.4
12/31 02:10	52.6	↑1.4
12/31 02:20	53.9	↑1.3
12/31 02:30	55.1	↑1.2
12/31 02:40	56.3	↑1.2
12/31 02:50	57.3	↑1.0
12/31 03:00	58.3	↑1.0
12/31 03:10	59.2	↑0.9
12/31 03:20	60.0	↑0.8
12/31 03:30	60.7	↑0.7
12/31 03:40	61.3	↑0.6
12/31 03:50	61.9	↑0.6
12/31 04:00	62.4	↑0.5
12/31 04:10	62.8	↑0.4
12/31 04:20	63.2	↑0.4
12/31 04:30	63.5	↑0.3
12/31 04:40	63.8	↑0.3
12/31 04:50	64.0	↑0.2
12/31 05:00	64.2	↑0.2
12/31 05:10	64.3	↑0.1
12/31 05:20	64.5	↑0.2
12/31 05:30	64.7	↑0.2
12/31 05:40	64.8	↑0.1
12/31 05:50	65.0	↑0.2
12/31 06:00	65.2	↑0.2
12/31 06:10	65.4	↑0.2
12/31 06:20	65.7	↑0.3
12/31 06:30	66.0	↑0.3
12/31 06:40	66.4	↑0.4
12/31 06:50	66.8	↑0.4
12/31 07:00	67.3	↑0.5
12/31 07:10	67.9	↑0.6
12/31 07:20	68.6	↑0.7
12/31 07:30	69.4	↑0.8
12/31 07:40	70.2	↑0.8
12/31 07:50	71.2	↑1.0
12/31 08:00	72.2	↑1.0
12/31 08:10	73.4	↑1.2
12/31 08:20	74.7	↑1.3
12/31 08:30	76.0	↑1.3
12/31 08:40	77.5	↑1.5
12/31 08:50	79.1	↑1.6
12/31 09:00	80.8	↑1.7
12/31 09:10	82.5	↑1.7
12/31 09:20	84.4	↑1.9
12/31 09:30	86.3	↑1.9
12/31 09:40	88.3	↑2.0
12/31 09:50	90.4	↑2.1
12/31 10:00	92.5	↑2.1
12/31 10:10	94.7	↑2.2
12/31 10:20	96.9	↑2.2
12/31 10:30	99.2	↑2.3
12/31 10:40	101.4	↑2.2
12/31 10:50	103.7	↑2.3
12/31 11:00	105.9	↑2.2
12/31 11:10	108.2	↑2.3
12/31 11:20	110.4	↑2.2
12/31 11:30	112.5	↑2.1
12/31 11:40	114.6	↑2.1
12/31 11:50	116.6	↑2.0
12/31 12:00	118.6	↑2.0
12/31 12:10	120.4	↑1.8
12/31 12:20	122.1	↑1.7
12/31 12:30	123.7	↑1.6
12/31 12:40	125.2	↑1.5
12/31 12:50	126.5	↑1.3
12/31 13:00	127.6	↑1.1
12/31 13:10	128.6	↑1.0
12/31 13:20	129.4	↑0.8
12/31 13:30	130.0	↑0.6
12/31 13:40	130.4	↑0.4
12/31 13:50	130.6	↑0.2	満潮
12/31 14:00	130.6	0
12/31 14:10	130.4	↓-0.2
12/31 14:20	129.9	↓-0.5
12/31 14:30	129.3	↓-0.6
12/31 14:40	128.4	↓-0.9
12/31 14:50	127.3	↓-1.1
12/31 15:00	126.0	↓-1.3
12/31 15:10	124.4	↓-1.6
12/31 15:20	122.7	↓-1.7
12/31 15:30	120.8	↓-1.9
12/31 15:40	118.6	↓-2.2
12/31 15:50	116.3	↓-2.3
12/31 16:00	113.7	↓-2.6
12/31 16:10	111.0	↓-2.7
12/31 16:20	108.2	↓-2.8
12/31 16:30	105.2	↓-3.0
12/31 16:40	102.0	↓-3.2
12/31 16:50	98.7	↓-3.3
12/31 17:00	95.3	↓-3.4
12/31 17:10	91.9	↓-3.4
12/31 17:20	88.3	↓-3.6
12/31 17:30	84.6	↓-3.7
12/31 17:40	81.0	↓-3.6
12/31 17:50	77.2	↓-3.8	最大潮位差
12/31 18:00	73.5	↓-3.7
12/31 18:10	69.8	↓-3.7
12/31 18:20	66.0	↓-3.8	最大潮位差
12/31 18:30	62.3	↓-3.7
12/31 18:40	58.7	↓-3.6
12/31 18:50	55.1	↓-3.6
12/31 19:00	51.6	↓-3.5
12/31 19:10	48.2	↓-3.4
12/31 19:20	44.9	↓-3.3
12/31 19:30	41.8	↓-3.1
12/31 19:40	38.7	↓-3.1
12/31 19:50	35.8	↓-2.9
12/31 20:00	33.1	↓-2.7
12/31 20:10	30.6	↓-2.5
12/31 20:20	28.2	↓-2.4
12/31 20:30	26.0	↓-2.2
12/31 20:40	24.0	↓-2.0
12/31 20:50	22.2	↓-1.8
12/31 21:00	20.7	↓-1.5
12/31 21:10	19.3	↓-1.4
12/31 21:20	18.1	↓-1.2
12/31 21:30	17.2	↓-0.9
12/31 21:40	16.4	↓-0.8
12/31 21:50	15.9	↓-0.5
12/31 22:00	15.6	↓-0.3
12/31 22:10	15.4	↓-0.2	干潮
12/31 22:20	15.5	↑0.1
12/31 22:30	15.8	↑0.3
12/31 22:40	16.2	↑0.4
12/31 22:50	16.8	↑0.6
12/31 23:00	17.6	↑0.8
12/31 23:10	18.6	↑1.0
12/31 23:20	19.7	↑1.1
12/31 23:30	20.9	↑1.2
12/31 23:40	22.2	↑1.3
12/31 23:50	23.7	↑1.5