20 (木)	14:48	23:05	-	-
	134cm	12cm	-	-
大潮 出 06:52 入 15:46 出 16:58 入 08:26

コイセボイ（北海道）2040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	19.6	↑1.5
12/20 00:10	21.2	↑1.6
12/20 00:20	23.0	↑1.8
12/20 00:30	24.8	↑1.8
12/20 00:40	26.6	↑1.8
12/20 00:50	28.5	↑1.9
12/20 01:00	30.5	↑2.0
12/20 01:10	32.5	↑2.0
12/20 01:20	34.5	↑2.0
12/20 01:30	36.4	↑1.9
12/20 01:40	38.4	↑2.0
12/20 01:50	40.4	↑2.0
12/20 02:00	42.3	↑1.9
12/20 02:10	44.1	↑1.8
12/20 02:20	45.9	↑1.8
12/20 02:30	47.7	↑1.8
12/20 02:40	49.3	↑1.6
12/20 02:50	50.9	↑1.6
12/20 03:00	52.4	↑1.5
12/20 03:10	53.8	↑1.4
12/20 03:20	55.1	↑1.3
12/20 03:30	56.3	↑1.2
12/20 03:40	57.4	↑1.1
12/20 03:50	58.4	↑1.0
12/20 04:00	59.3	↑0.9
12/20 04:10	60.1	↑0.8
12/20 04:20	60.8	↑0.7
12/20 04:30	61.4	↑0.6
12/20 04:40	62.0	↑0.6
12/20 04:50	62.4	↑0.4
12/20 05:00	62.8	↑0.4
12/20 05:10	63.1	↑0.3
12/20 05:20	63.3	↑0.2
12/20 05:30	63.5	↑0.2
12/20 05:40	63.6	↑0.1
12/20 05:50	63.7	↑0.1
12/20 06:00	63.7	0
12/20 06:10	63.8	↑0.1
12/20 06:20	63.8	0
12/20 06:30	63.9	↑0.1
12/20 06:40	63.9	0
12/20 06:50	64.0	↑0.1
12/20 07:00	64.1	↑0.1
12/20 07:10	64.3	↑0.2
12/20 07:20	64.5	↑0.2
12/20 07:30	64.8	↑0.3
12/20 07:40	65.2	↑0.4
12/20 07:50	65.6	↑0.4
12/20 08:00	66.1	↑0.5
12/20 08:10	66.8	↑0.7
12/20 08:20	67.5	↑0.7
12/20 08:30	68.3	↑0.8
12/20 08:40	69.3	↑1.0
12/20 08:50	70.3	↑1.0
12/20 09:00	71.5	↑1.2
12/20 09:10	72.8	↑1.3
12/20 09:20	74.2	↑1.4
12/20 09:30	75.8	↑1.6
12/20 09:40	77.4	↑1.6
12/20 09:50	79.2	↑1.8
12/20 10:00	81.0	↑1.8
12/20 10:10	83.0	↑2.0
12/20 10:20	85.1	↑2.1
12/20 10:30	87.2	↑2.1
12/20 10:40	89.4	↑2.2
12/20 10:50	91.7	↑2.3
12/20 11:00	94.1	↑2.4
12/20 11:10	96.5	↑2.4
12/20 11:20	98.9	↑2.4
12/20 11:30	101.4	↑2.5
12/20 11:40	103.8	↑2.4
12/20 11:50	106.3	↑2.5
12/20 12:00	108.7	↑2.4
12/20 12:10	111.1	↑2.4
12/20 12:20	113.5	↑2.4
12/20 12:30	115.8	↑2.3
12/20 12:40	118.0	↑2.2
12/20 12:50	120.1	↑2.1
12/20 13:00	122.1	↑2.0
12/20 13:10	124.0	↑1.9
12/20 13:20	125.8	↑1.8
12/20 13:30	127.4	↑1.6
12/20 13:40	128.9	↑1.5
12/20 13:50	130.2	↑1.3
12/20 14:00	131.3	↑1.1
12/20 14:10	132.2	↑0.9
12/20 14:20	132.9	↑0.7
12/20 14:30	133.4	↑0.5
12/20 14:40	133.7	↑0.3	満潮
12/20 14:50	133.7	0
12/20 15:00	133.5	↓-0.2
12/20 15:10	133.1	↓-0.4
12/20 15:20	132.5	↓-0.6
12/20 15:30	131.6	↓-0.9
12/20 15:40	130.5	↓-1.1
12/20 15:50	129.1	↓-1.4
12/20 16:00	127.6	↓-1.5
12/20 16:10	125.8	↓-1.8
12/20 16:20	123.7	↓-2.1
12/20 16:30	121.5	↓-2.2
12/20 16:40	119.0	↓-2.5
12/20 16:50	116.4	↓-2.6
12/20 17:00	113.5	↓-2.9
12/20 17:10	110.5	↓-3.0
12/20 17:20	107.4	↓-3.1
12/20 17:30	104.0	↓-3.4
12/20 17:40	100.6	↓-3.4
12/20 17:50	97.0	↓-3.6
12/20 18:00	93.3	↓-3.7
12/20 18:10	89.5	↓-3.8
12/20 18:20	85.7	↓-3.8
12/20 18:30	81.8	↓-3.9
12/20 18:40	77.8	↓-4.0	最大潮位差
12/20 18:50	73.9	↓-3.9
12/20 19:00	69.9	↓-4.0	最大潮位差
12/20 19:10	66.0	↓-3.9
12/20 19:20	62.0	↓-4.0	最大潮位差
12/20 19:30	58.2	↓-3.8
12/20 19:40	54.4	↓-3.8
12/20 19:50	50.7	↓-3.7
12/20 20:00	47.1	↓-3.6
12/20 20:10	43.6	↓-3.5
12/20 20:20	40.2	↓-3.4
12/20 20:30	37.0	↓-3.2
12/20 20:40	33.9	↓-3.1
12/20 20:50	31.0	↓-2.9
12/20 21:00	28.3	↓-2.7
12/20 21:10	25.8	↓-2.5
12/20 21:20	23.4	↓-2.4
12/20 21:30	21.3	↓-2.1
12/20 21:40	19.4	↓-1.9
12/20 21:50	17.7	↓-1.7
12/20 22:00	16.2	↓-1.5
12/20 22:10	14.9	↓-1.3
12/20 22:20	13.9	↓-1.0
12/20 22:30	13.1	↓-0.8
12/20 22:40	12.5	↓-0.6
12/20 22:50	12.1	↓-0.4
12/20 23:00	11.9	↓-0.2	干潮
12/20 23:10	11.9	0
12/20 23:20	12.1	↑0.2
12/20 23:30	12.6	↑0.5
12/20 23:40	13.2	↑0.6
12/20 23:50	13.9	↑0.7