29 (土)	04:44	12:06	19:29	23:39
	138cm	3cm	109cm	92cm
中潮 出 04:32 入 18:32 出 07:17 入 23:14 潮干狩り ◎ 09:51～14:44

苫小牧（北海道）2028年04月29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
4/29 00:00	91.6	↑1.1
4/29 00:10	92.9	↑1.3
4/29 00:20	94.4	↑1.5
4/29 00:30	96.0	↑1.6
4/29 00:40	97.6	↑1.6
4/29 00:50	99.3	↑1.7
4/29 01:00	101.1	↑1.8
4/29 01:10	103.0	↑1.9
4/29 01:20	104.8	↑1.8
4/29 01:30	106.7	↑1.9
4/29 01:40	108.6	↑1.9
4/29 01:50	110.6	↑2.0
4/29 02:00	112.5	↑1.9
4/29 02:10	114.5	↑2.0
4/29 02:20	116.5	↑2.0
4/29 02:30	118.5	↑2.0
4/29 02:40	120.5	↑2.0
4/29 02:50	122.6	↑2.1
4/29 03:00	124.6	↑2.0
4/29 03:10	126.5	↑1.9
4/29 03:20	128.4	↑1.9
4/29 03:30	130.3	↑1.9
4/29 03:40	132.0	↑1.7
4/29 03:50	133.6	↑1.6
4/29 04:00	134.9	↑1.3
4/29 04:10	136.1	↑1.2
4/29 04:20	137.0	↑0.9
4/29 04:30	137.6	↑0.6
4/29 04:40	137.8	↑0.2	満潮
4/29 04:50	137.8	0
4/29 05:00	137.3	↓-0.5
4/29 05:10	136.5	↓-0.8
4/29 05:20	135.4	↓-1.1
4/29 05:30	133.8	↓-1.6
4/29 05:40	131.9	↓-1.9
4/29 05:50	129.7	↓-2.2
4/29 06:00	127.1	↓-2.6
4/29 06:10	124.3	↓-2.8
4/29 06:20	121.2	↓-3.1
4/29 06:30	117.9	↓-3.3
4/29 06:40	114.3	↓-3.6
4/29 06:50	110.6	↓-3.7
4/29 07:00	106.8	↓-3.8
4/29 07:10	102.9	↓-3.9
4/29 07:20	98.8	↓-4.1
4/29 07:30	94.7	↓-4.1
4/29 07:40	90.5	↓-4.2
4/29 07:50	86.3	↓-4.2
4/29 08:00	82.0	↓-4.3
4/29 08:10	77.7	↓-4.3
4/29 08:20	73.3	↓-4.4
4/29 08:30	68.9	↓-4.4
4/29 08:40	64.5	↓-4.4
4/29 08:50	60.1	↓-4.4
4/29 09:00	55.6	↓-4.5	最大潮位差
4/29 09:10	51.2	↓-4.4
4/29 09:20	46.7	↓-4.5	最大潮位差
4/29 09:30	42.3	↓-4.4
4/29 09:40	38.0	↓-4.3
4/29 09:50	33.8	↓-4.2
4/29 10:00	29.8	↓-4.0
4/29 10:10	25.9	↓-3.9
4/29 10:20	22.2	↓-3.7
4/29 10:30	18.7	↓-3.5
4/29 10:40	15.5	↓-3.2
4/29 10:50	12.7	↓-2.8
4/29 11:00	10.1	↓-2.6
4/29 11:10	7.9	↓-2.2
4/29 11:20	6.1	↓-1.8
4/29 11:30	4.7	↓-1.4
4/29 11:40	3.6	↓-1.1
4/29 11:50	2.9	↓-0.7
4/29 12:00	2.5	↓-0.4	干潮
4/29 12:10	2.5	0
4/29 12:20	2.9	↑0.4
4/29 12:30	3.5	↑0.6
4/29 12:40	4.5	↑1.0
4/29 12:50	5.7	↑1.2
4/29 13:00	7.1	↑1.4
4/29 13:10	8.8	↑1.7
4/29 13:20	10.7	↑1.9
4/29 13:30	12.8	↑2.1
4/29 13:40	15.1	↑2.3
4/29 13:50	17.5	↑2.4
4/29 14:00	20.2	↑2.7
4/29 14:10	23.0	↑2.8
4/29 14:20	26.0	↑3.0
4/29 14:30	29.2	↑3.2
4/29 14:40	32.5	↑3.3
4/29 14:50	36.0	↑3.5
4/29 15:00	39.7	↑3.7
4/29 15:10	43.5	↑3.8
4/29 15:20	47.4	↑3.9
4/29 15:30	51.4	↑4.0
4/29 15:40	55.6	↑4.2
4/29 15:50	59.7	↑4.1
4/29 16:00	63.9	↑4.2
4/29 16:10	68.1	↑4.2
4/29 16:20	72.2	↑4.1
4/29 16:30	76.2	↑4.0
4/29 16:40	80.0	↑3.8
4/29 16:50	83.7	↑3.7
4/29 17:00	87.1	↑3.4
4/29 17:10	90.4	↑3.3
4/29 17:20	93.3	↑2.9
4/29 17:30	96.0	↑2.7
4/29 17:40	98.4	↑2.4
4/29 17:50	100.5	↑2.1
4/29 18:00	102.3	↑1.8
4/29 18:10	103.9	↑1.6
4/29 18:20	105.1	↑1.2
4/29 18:30	106.2	↑1.1
4/29 18:40	107.0	↑0.8
4/29 18:50	107.6	↑0.6
4/29 19:00	108.0	↑0.4
4/29 19:10	108.3	↑0.3
4/29 19:20	108.5	↑0.2	満潮
4/29 19:30	108.5	0
4/29 19:40	108.4	↓-0.1
4/29 19:50	108.3	↓-0.1
4/29 20:00	108.0	↓-0.3
4/29 20:10	107.7	↓-0.3
4/29 20:20	107.3	↓-0.4
4/29 20:30	106.8	↓-0.5
4/29 20:40	106.2	↓-0.6
4/29 20:50	105.6	↓-0.6
4/29 21:00	104.8	↓-0.8
4/29 21:10	104.0	↓-0.8
4/29 21:20	103.1	↓-0.9
4/29 21:30	102.1	↓-1.0
4/29 21:40	101.0	↓-1.1
4/29 21:50	99.9	↓-1.1
4/29 22:00	98.7	↓-1.2
4/29 22:10	97.6	↓-1.1
4/29 22:20	96.4	↓-1.2
4/29 22:30	95.4	↓-1.0
4/29 22:40	94.3	↓-1.1
4/29 22:50	93.4	↓-0.9
4/29 23:00	92.7	↓-0.7
4/29 23:10	92.0	↓-0.7
4/29 23:20	91.6	↓-0.4
4/29 23:30	91.3	↓-0.3	干潮
4/29 23:40	91.3	0
4/29 23:50	91.4	↑0.1