20 (火)	06:25	15:02	-	-
	131cm	36cm	-	-
小潮 出 04:42 入 18:18 出 10:03 入 00:57 潮干狩り ○ 14:19～15:44

東静内（北海道）2021年04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
4/20 00:00	104.9	↑0.3
4/20 00:10	105.2	↑0.3
4/20 00:20	105.5	↑0.3
4/20 00:30	105.9	↑0.4
4/20 00:40	106.3	↑0.4
4/20 00:50	106.8	↑0.5
4/20 01:00	107.3	↑0.5
4/20 01:10	107.8	↑0.5
4/20 01:20	108.4	↑0.6
4/20 01:30	109.0	↑0.6
4/20 01:40	109.6	↑0.6
4/20 01:50	110.2	↑0.6
4/20 02:00	110.9	↑0.7
4/20 02:10	111.6	↑0.7
4/20 02:20	112.3	↑0.7
4/20 02:30	113.1	↑0.8
4/20 02:40	113.9	↑0.8
4/20 02:50	114.7	↑0.8
4/20 03:00	115.5	↑0.8
4/20 03:10	116.4	↑0.9
4/20 03:20	117.3	↑0.9
4/20 03:30	118.2	↑0.9
4/20 03:40	119.1	↑0.9
4/20 03:50	120.1	↑1.0
4/20 04:00	121.0	↑0.9
4/20 04:10	122.0	↑1.0
4/20 04:20	123.0	↑1.0
4/20 04:30	123.9	↑0.9
4/20 04:40	124.9	↑1.0
4/20 04:50	125.8	↑0.9
4/20 05:00	126.7	↑0.9
4/20 05:10	127.5	↑0.8
4/20 05:20	128.3	↑0.8
4/20 05:30	129.0	↑0.7
4/20 05:40	129.6	↑0.6
4/20 05:50	130.1	↑0.5
4/20 06:00	130.5	↑0.4
4/20 06:10	130.8	↑0.3
4/20 06:20	130.9	↑0.1	満潮
4/20 06:30	130.9	0
4/20 06:40	130.7	↓-0.2
4/20 06:50	130.4	↓-0.3
4/20 07:00	129.8	↓-0.6
4/20 07:10	129.1	↓-0.7
4/20 07:20	128.2	↓-0.9
4/20 07:30	127.2	↓-1.0
4/20 07:40	125.9	↓-1.3
4/20 07:50	124.4	↓-1.5
4/20 08:00	122.8	↓-1.6
4/20 08:10	121.0	↓-1.8
4/20 08:20	119.0	↓-2.0
4/20 08:30	116.8	↓-2.2
4/20 08:40	114.5	↓-2.3
4/20 08:50	112.0	↓-2.5
4/20 09:00	109.5	↓-2.5
4/20 09:10	106.8	↓-2.7
4/20 09:20	104.0	↓-2.8
4/20 09:30	101.1	↓-2.9
4/20 09:40	98.2	↓-2.9
4/20 09:50	95.2	↓-3.0
4/20 10:00	92.2	↓-3.0
4/20 10:10	89.2	↓-3.0
4/20 10:20	86.2	↓-3.0
4/20 10:30	83.1	↓-3.1	最大潮位差
4/20 10:40	80.2	↓-2.9
4/20 10:50	77.2	↓-3.0
4/20 11:00	74.3	↓-2.9
4/20 11:10	71.5	↓-2.8
4/20 11:20	68.7	↓-2.8
4/20 11:30	66.1	↓-2.6
4/20 11:40	63.5	↓-2.6
4/20 11:50	61.0	↓-2.5
4/20 12:00	58.6	↓-2.4
4/20 12:10	56.3	↓-2.3
4/20 12:20	54.1	↓-2.2
4/20 12:30	52.1	↓-2.0
4/20 12:40	50.1	↓-2.0
4/20 12:50	48.2	↓-1.9
4/20 13:00	46.5	↓-1.7
4/20 13:10	44.9	↓-1.6
4/20 13:20	43.4	↓-1.5
4/20 13:30	42.1	↓-1.3
4/20 13:40	40.8	↓-1.3
4/20 13:50	39.7	↓-1.1
4/20 14:00	38.8	↓-0.9
4/20 14:10	37.9	↓-0.9
4/20 14:20	37.2	↓-0.7
4/20 14:30	36.7	↓-0.5
4/20 14:40	36.3	↓-0.4
4/20 14:50	36.0	↓-0.3
4/20 15:00	35.9	↓-0.1	干潮
4/20 15:10	36.0	↑0.1
4/20 15:20	36.2	↑0.2
4/20 15:30	36.6	↑0.4
4/20 15:40	37.1	↑0.5
4/20 15:50	37.8	↑0.7
4/20 16:00	38.7	↑0.9
4/20 16:10	39.7	↑1.0
4/20 16:20	40.9	↑1.2
4/20 16:30	42.3	↑1.4
4/20 16:40	43.8	↑1.5
4/20 16:50	45.5	↑1.7
4/20 17:00	47.3	↑1.8
4/20 17:10	49.2	↑1.9
4/20 17:20	51.2	↑2.0
4/20 17:30	53.4	↑2.2
4/20 17:40	55.6	↑2.2
4/20 17:50	57.9	↑2.3
4/20 18:00	60.3	↑2.4
4/20 18:10	62.7	↑2.4
4/20 18:20	65.1	↑2.4
4/20 18:30	67.6	↑2.5
4/20 18:40	70.0	↑2.4
4/20 18:50	72.4	↑2.4
4/20 19:00	74.8	↑2.4
4/20 19:10	77.2	↑2.4
4/20 19:20	79.5	↑2.3
4/20 19:30	81.7	↑2.2
4/20 19:40	83.8	↑2.1
4/20 19:50	85.9	↑2.1
4/20 20:00	87.8	↑1.9
4/20 20:10	89.7	↑1.9
4/20 20:20	91.4	↑1.7
4/20 20:30	93.0	↑1.6
4/20 20:40	94.5	↑1.5
4/20 20:50	96.0	↑1.5
4/20 21:00	97.3	↑1.3
4/20 21:10	98.5	↑1.2
4/20 21:20	99.6	↑1.1
4/20 21:30	100.6	↑1.0
4/20 21:40	101.5	↑0.9
4/20 21:50	102.4	↑0.9
4/20 22:00	103.2	↑0.8
4/20 22:10	103.9	↑0.7
4/20 22:20	104.6	↑0.7
4/20 22:30	105.2	↑0.6
4/20 22:40	105.8	↑0.6
4/20 22:50	106.3	↑0.5
4/20 23:00	106.8	↑0.5
4/20 23:10	107.3	↑0.5
4/20 23:20	107.8	↑0.5
4/20 23:30	108.2	↑0.4
4/20 23:40	108.7	↑0.5
4/20 23:50	109.1	↑0.4