20 (土)	14:02	22:27	-	-
	134cm	11cm	-	-
大潮 出 06:52 入 15:46 出 07:19 入 15:22

コイセボイ（北海道）2025年12月20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
12/20 00:00	25.9	↑1.7
12/20 00:10	27.7	↑1.8
12/20 00:20	29.5	↑1.8
12/20 00:30	31.3	↑1.8
12/20 00:40	33.2	↑1.9
12/20 00:50	35.1	↑1.9
12/20 01:00	36.9	↑1.8
12/20 01:10	38.8	↑1.9
12/20 01:20	40.6	↑1.8
12/20 01:30	42.4	↑1.8
12/20 01:40	44.1	↑1.7
12/20 01:50	45.8	↑1.7
12/20 02:00	47.4	↑1.6
12/20 02:10	49.0	↑1.6
12/20 02:20	50.5	↑1.5
12/20 02:30	51.9	↑1.4
12/20 02:40	53.2	↑1.3
12/20 02:50	54.4	↑1.2
12/20 03:00	55.6	↑1.2
12/20 03:10	56.7	↑1.1
12/20 03:20	57.7	↑1.0
12/20 03:30	58.6	↑0.9
12/20 03:40	59.4	↑0.8
12/20 03:50	60.1	↑0.7
12/20 04:00	60.8	↑0.7
12/20 04:10	61.3	↑0.5
12/20 04:20	61.9	↑0.6
12/20 04:30	62.3	↑0.4
12/20 04:40	62.7	↑0.4
12/20 04:50	63.1	↑0.4
12/20 05:00	63.4	↑0.3
12/20 05:10	63.7	↑0.3
12/20 05:20	64.0	↑0.3
12/20 05:30	64.2	↑0.2
12/20 05:40	64.5	↑0.3
12/20 05:50	64.7	↑0.2
12/20 06:00	65.0	↑0.3
12/20 06:10	65.3	↑0.3
12/20 06:20	65.6	↑0.3
12/20 06:30	66.0	↑0.4
12/20 06:40	66.4	↑0.4
12/20 06:50	66.9	↑0.5
12/20 07:00	67.5	↑0.6
12/20 07:10	68.1	↑0.6
12/20 07:20	68.8	↑0.7
12/20 07:30	69.6	↑0.8
12/20 07:40	70.4	↑0.8
12/20 07:50	71.4	↑1.0
12/20 08:00	72.5	↑1.1
12/20 08:10	73.7	↑1.2
12/20 08:20	74.9	↑1.2
12/20 08:30	76.3	↑1.4
12/20 08:40	77.8	↑1.5
12/20 08:50	79.4	↑1.6
12/20 09:00	81.0	↑1.6
12/20 09:10	82.8	↑1.8
12/20 09:20	84.7	↑1.9
12/20 09:30	86.6	↑1.9
12/20 09:40	88.6	↑2.0
12/20 09:50	90.7	↑2.1
12/20 10:00	92.9	↑2.2
12/20 10:10	95.1	↑2.2
12/20 10:20	97.3	↑2.2
12/20 10:30	99.6	↑2.3
12/20 10:40	102.0	↑2.4
12/20 10:50	104.3	↑2.3
12/20 11:00	106.6	↑2.3
12/20 11:10	108.9	↑2.3
12/20 11:20	111.2	↑2.3
12/20 11:30	113.4	↑2.2
12/20 11:40	115.6	↑2.2
12/20 11:50	117.7	↑2.1
12/20 12:00	119.8	↑2.1
12/20 12:10	121.7	↑1.9
12/20 12:20	123.5	↑1.8
12/20 12:30	125.2	↑1.7
12/20 12:40	126.8	↑1.6
12/20 12:50	128.2	↑1.4
12/20 13:00	129.5	↑1.3
12/20 13:10	130.6	↑1.1
12/20 13:20	131.5	↑0.9
12/20 13:30	132.2	↑0.7
12/20 13:40	132.8	↑0.6
12/20 13:50	133.1	↑0.3
12/20 14:00	133.2	↑0.1	満潮
12/20 14:10	133.1	↓-0.1
12/20 14:20	132.8	↓-0.3
12/20 14:30	132.3	↓-0.5
12/20 14:40	131.5	↓-0.8
12/20 14:50	130.5	↓-1.0
12/20 15:00	129.3	↓-1.2
12/20 15:10	127.8	↓-1.5
12/20 15:20	126.2	↓-1.6
12/20 15:30	124.3	↓-1.9
12/20 15:40	122.2	↓-2.1
12/20 15:50	119.9	↓-2.3
12/20 16:00	117.4	↓-2.5
12/20 16:10	114.7	↓-2.7
12/20 16:20	111.9	↓-2.8
12/20 16:30	108.8	↓-3.1
12/20 16:40	105.7	↓-3.1
12/20 16:50	102.3	↓-3.4
12/20 17:00	98.9	↓-3.4
12/20 17:10	95.3	↓-3.6
12/20 17:20	91.6	↓-3.7
12/20 17:30	87.9	↓-3.7
12/20 17:40	84.1	↓-3.8
12/20 17:50	80.2	↓-3.9	最大潮位差
12/20 18:00	76.3	↓-3.9	最大潮位差
12/20 18:10	72.4	↓-3.9	最大潮位差
12/20 18:20	68.5	↓-3.9	最大潮位差
12/20 18:30	64.6	↓-3.9	最大潮位差
12/20 18:40	60.7	↓-3.9	最大潮位差
12/20 18:50	56.9	↓-3.8
12/20 19:00	53.2	↓-3.7
12/20 19:10	49.5	↓-3.7
12/20 19:20	45.9	↓-3.6
12/20 19:30	42.5	↓-3.4
12/20 19:40	39.1	↓-3.4
12/20 19:50	35.9	↓-3.2
12/20 20:00	32.9	↓-3.0
12/20 20:10	30.0	↓-2.9
12/20 20:20	27.3	↓-2.7
12/20 20:30	24.8	↓-2.5
12/20 20:40	22.5	↓-2.3
12/20 20:50	20.4	↓-2.1
12/20 21:00	18.4	↓-2.0
12/20 21:10	16.7	↓-1.7
12/20 21:20	15.2	↓-1.5
12/20 21:30	13.9	↓-1.3
12/20 21:40	12.9	↓-1.0
12/20 21:50	12.0	↓-0.9
12/20 22:00	11.4	↓-0.6
12/20 22:10	10.9	↓-0.5
12/20 22:20	10.7	↓-0.2	干潮
12/20 22:30	10.7	0
12/20 22:40	10.9	↑0.2
12/20 22:50	11.2	↑0.3
12/20 23:00	11.8	↑0.6
12/20 23:10	12.5	↑0.7
12/20 23:20	13.4	↑0.9
12/20 23:30	14.4	↑1.0
12/20 23:40	15.6	↑1.2
12/20 23:50	16.9	↑1.3